led lcd panel failure and faults quotation

Additional charges include a trip fee for a technician to come to your home, a fee to transport your TV to and from a repair shop, and a diagnostic fee to determine what needs to be replaced.

Most TV or electronics repair companies do not offer TV screen repair, and many warranties do not cover the service. For example, BestBuy"s 90-day warranty does not list broken TV screen repair as one of the problems they cover.

Unless you are trying to fix a TV from the ’80s or earlier, cracked TV screen repair is not feasible; the entire display panel must be replaced instead. The cost of a replacement TV display panel is often more than the cost of buying a new TV, and that’s before labor and other service costs.

TV manufacturers do keep replacement TV screen panels on hand to support products under warranty in case the screen malfunctions, due to manufacturer defect.

If you still want to replace a damaged or malfunctioning TV screen, your best option is to find a used replacement panel or a broken TV of the same model on which the screen is still functional. You might find one on eBay, and you can hire a technician to change out the panel.

Whether your TV is LCD, LED, plasma screen, or 4K (Ultra HD), the cost to fix common problems ranges from $60 to $350, depending on the repair type and the TV brand.

A TV inverter repair costs $100 to $170, including parts and labor, with an average cost of $140 for a TV with one inverter board or $180for two. Parts range from $10 to $75, and the average labor cost for TV inverter repair is $100 per hour.

A flat-screen TV bulb replacement costs between $60 to $120, with most homeowners spending $85 for parts and labor. The price for replacement bulbs ranges from $18 to $80.

If an older model LCD TV or projection TV powers on and has sound but no picture, this may be due to lamp burnout, which is both common and expected. In this case, replacing the bulb will fix the problem. An experienced technician should be able to replace the bulb quickly and easily.

TV backlight repair costs $100 to $120, including replacement parts and labor, at a repair shop. In-house repair costs are more due to trip fees. The price of backlight replacement parts averages around $2.50for each LED and between $20 and $25 for each CCFL strip.

A new inverter may be needed to power the LEDs, costing $7 to $75before labor, or an average of $40. In some cases, a repair shop can convert a CCFL backlight to LED without installing a new inverter.

Backlight failure in a TV may also be due to failure of the power inverter that supplies power to the backlight. In rare cases, both the inverter and the lighting components fail.

Repairing a TV power supply board costs $20 to $230 for parts alone. Completely replacing the power supply board costs $250 for parts and labor. If one capacitor has failed, the cost for replacement capacitors is low. However, it’s more cost-effective for the technician to replace the entire board rather than spend time trying to diagnose and replace faulty capacitors one by one.

TV capacitor repair costs $60 to $130, including parts and labor. The cost for the replacement part ranges from $0.10 to $14, with the labor portion ranging from $60 to $125 per hour. TV capacitors protect the circuit from getting too much power, filter signals, and facilitate changing channels.

It is not possible to fix a TV capacitor when it fails; it needs replacing. If your TV stops working while you are using it and you notice a smell similar to ammonia or bleach, this is a sign that a capacitor has blown. However, some capacitors do not make any noticeable smell when they blow.

Flat screen replacement glass is not available. The only option for flat-screen TV glass repair is to try optical glass glue, which costs $1.70 for a 5-ml. tube. This may be an option for TV glass repair if the crack is only a few inches or less. TV panels are built as one unit at the factory, with the glass adhered to the display panel.

A TV picture tube repair costs $150 to $250on average, depending on the size of the TV and where the repair takes place.In-home CRT repair ranges from $200 to $250. The cost of repairing a CRT picture tube ranges from $200for a TV that is 27 inches or smaller to $250for a TV that is 28 inches or larger.

Picture tubes, or cathode-ray tubes (CRTs), were used in old TVs, which had much poorer image quality than modern TVs and were much bulkier and heavier.

LCD flat-panel repair is not considered cost-effective. If the glass is cracked or the display is physically damaged, it is cheaper to replace the entire TV than to repair or replace the display panel.

Estimating TV repairs costs by brand is not something TV repair shops offer, however, there are general prices by type. When looking for specific repair costs for your TV, you’ll find them in the common repairs price list above. Pricing applies to brands such as Samsung, LG, Sanyo, TCL, Insignia, HiSense, Sony, Toshiba, Pioneer, and Vizio.

The cost of flat-screen TV repair ranges from $40 to $350. You cannot fix a broken screen, but the price of a new flat-panel TV starts from around $250 for a 1080-mp (non-4K) LED TV from LG to as much as $15,000 for an 85-inch 8K LED TV from Samsung. A TV referred to as a “flat TV” or “flat-screen” TV might be any of the following:LCD TV

An LED TV is just an LCD TV that uses LED backlighting, which all newer models do (older models use CCFL backlighting). The cost to replace one LED backlighting strip ranges from $100 to $125, including parts and labor.

The cost to replace the motherboard, inverter, or LED"s in a 4K TV ranges from $100 to $275 or more, depending on the brand and model. The cost for screen repair for a 4K TV is irrelevant because it cannot be fixed or replaced at a cost that is lower than the cost of a new 4K TV.

Digital light processing (DLP) TVs are also known as projection TVs. DLP big screens have not been made since 2012, and DLP TV repair is usually not worth the cost except for a lamp burnout, in which the bulb can be replaced. The cost to replace bulbs ranges from $60 to $120.

TV repair shops charge an average $60 to $125 per hour, or a flat rate of $50 to $250, which includes the diagnostic fee. Additional costs after that depend on the repairs needed and the brand and type of TV. However, most stores will have a minimum charge of about $90.

The brand and model of your TV will dictate the final repair cost, with more expensive brands and larger TVs costing more to repair. Consider the remaining lifespan of the TV before paying for repairs. You can now buy bigger TVs with more features and better displays for a TV that won’t need repairs for a while and probably comes with a warranty.

Some shops will pick up and deliver a TV for free. Others charge a fee that ranges from $40 to $75 for pickup and drop-off, with an average cost of $60.

If you live in a remote area, you may need to ship your TV to a repair facility, costing $100 to $175. Be sure to choose a delivery service that allows you to track the shipment and confirm delivery. When sending your TV into a service center for repair, you will be contacted regarding the associated costs and asked to process payment before the repair is completed, which usually takes two weeks including the shipping time.

Many TV repair shops charge a diagnostic fee that ranges from $20 to $60, depending on whether it is done in your home or the repair shop. Some shops charge a flat fee that ranges from $50 to $250that covers both the diagnostic cost and labor cost. In many cases, the initial diagnostic fee will be applied to the repair cost if you have the shop do the repair.

The more expensive a TV is, the more sense it makes to purchase an additional warranty to defray the potential for costly repairs. Best Buy offers an $89 five-year extended warranty for entry-level TVs. On larger TVs such as the 85-inch Samsung QLED 8K TV, which costs $14,998, the five-year warranty from Geek Squad costs an additional $1,699—11.33% of the cost of the TV.

Satellite dish repair is either covered by your satellite service company or the cost for a technician to fix it ranges from $80 to $150. Repairs may also be billed at an hourly rate of $50 to $65.

The cost of mounting a TV ranges from $150 to $200, with most people paying around $175 for the labor. The mounting hardware costs between $20 and $500 depending on the brand of mounting hardware and the size of your TV.

There are various ways you might be able to save money on TV repair. These include transporting your TV to a repair shop, using a shop that charges in 15- or 30-minute increments, diagnosing the problem yourself, using salvaged parts, and doing the repair work on your own.

You can also consider the cost of TV repair when purchasing a new TV. More popular TV models are less expensive to repair because repair shops buy parts for the most common TVs in bulk and are therefore able to get them at lower prices.

TV Does Not Power OnPlug- If the TV is not powering on and no status LEDs are lighting up, start by plugging the TV into a different outlet. If the TV is too challenging to move, you can run an extension cord from another nearby outlet.

Circuit breaker- Check the circuit breaker for the power outlet that the TV plugs into. You can check the breakers by opening the door to your breaker panel and looking for circuit breakers that are in the OFF position.

Remote control- If the TV is not powering on with the remote control, you should try replacing the batteries. For remote controls with a status LED light, there could be enough power to light the LED but not enough power to send a signal to your TV.

There are many reasons that a TV may power on but have no picture.Backlighting burned out -In modern LCD TVs, the backlighting may be burned out. A technician can replace LEDs or CCFL backlighting strips.

Inverter is bad -It is possible that the inverter, which powers the backlights, has gone bad and needs to be replaced. It’s also possible that one or more capacitors on the inverter have gone bad, in which case a technician may be able to replace capacitors more cheaply than replacing the entire inverter.

Lamp burnout -In a projection TV or older LCD TV, no picture may be caused by lamp burnout. In this case, a technician can replace the bulb quickly and easily.

The primary way to save money on TV repair would be to perform the work yourself. This may require you to purchase and get familiar with various tools such as soldering tools, and methods for replacing a capacitor or some other component.The right tools- In the case of switching out power supply boards or inverters, standard tools such as screwdrivers or pliers might be sufficient.

The right parts- It can be complicated to determine which component of a TV is failing and causing the TV not to work correctly. If you buy a replacement part and perform the repair yourself, the TV may still not work, either because you replaced the wrong part, the part was old and not working properly to begin with, or you did not perform the work correctly. Buying multiple replacement parts can become costly.

Lack of experience– you might cause more damage to the TV due to your lack of knowledge and experience, and you might also end up causing a fire with your soldering iron or being electrocuted.

If you have a newer TV that cost thousands of dollars, having it repaired would most likely be cost-effective. If the TV only cost a few hundred dollars to begin with, replacing the TV is more likely to be the best option.

Not included in these prices from Best Buy are 1080p screens, which range from $250 to $280 for 43-inch TVs from brands like Samsung, Sony, and LG. On the upper end, Sony and Samsung both have 95-inch 8K OLED TVs for $70,000.

In most cases, a flat-screen TV can be fixed. The exception is a physically damaged display panel or screen.  Most other issues including failing speakers, backlights, or power supply. Burned out fuses and damaged input ports can also be repaired.

If the screen is not physically damaged but is not showing a picture or is displaying “snow’” or vertical or horizontal lines, a technician can repair the TV by replacing failed components. If the screen is physically damaged, it cannot be repaired.

You cannot replace a broken flat-screen display. New TVs costs anywhere from $249 for a 1080P (non 4K) LED TV from LG to as much as $14,999 for an 85” 8K LED TV from Samsung.

Some shops will pick up and deliver a TV for free. Others charge a fee that ranges from $40 to $75 for pickup and drop-off, with an average cost of $60.

If you live in a remote area, you may need to ship your TV to a repair facility, costing $100 to $175. Be sure to choose a delivery service that allows you to track the shipment and confirm delivery.

There are several benefits to professional TV repair.Diagnostics– A professional TV repair technician has the right training and experience to figure out which component(s) need replacing quickly.

The national average cost to repair a TV is $80, though most people spend between $65 and $90. The type of television, the complexity of the issue with the TV and parts needed factor into the price. TV repair companies often provide pickup and delivery service to customers for a set fee.

Fixing a malfunctioning television instead of throwing it away and buying a new one can save you hundreds (or even thousands) of dollars. TV repair professionals work on plasma, LCD, LED, OLED, HD, HDR and a range of other screen types. These pros have the tools, training, and experience to resolve most TV-related problems. As TV screens have gotten bigger and technology more advanced, TV repair requires a lot more technical knowledge than it used to.

Whether it’s power problems, digital problems, or a broken screen, the TV repairs will vary in price, depending on the cost of parts, the extent of labor required, and any necessary taxes.

What was the problem: The LCD was experiencing intermittent problems powering up and suddenly powering off. Commercial Service Co. first checked the power supply for bad parts and found it to be working properly. The service tech next checked the main circuit board and discovered that was the problem board.

It can cost you up to of $100 to repair a cracked LCD TV screen. Check to see if your TV is still under warranty — you might be able to get the screen repaired for a reduced cost if the damage is under warranty.

TV repair companies often provide pickup and delivery service to customers for a set fee. The fee covers the cost of employee labor, transportation, and overhead for coordinating.

There are a few steps you can take to aid in your decision making and to ensure that you hire a TV repairman who will be able to complete the repairs:

Determine your budget: Figure out how much you have to spend on professional TV repairs. Aligning in the upfront about your budget will save both you and your repair pro time and energy in the long run.

Nail down the costs: At first glance, the job may appear simple – but as the repairman gets further, they may realize that the damage is more extensive. Be sure to get a cost estimate, including labor and parts, before the work has been started so you don’t get stuck with a huge surprise bill.

Let’s cut right to the chase — repairing your existing TV will usually cost you less than replacing it. By repairing your TV instead of outright replacing it, you can save hundreds or thousands of dollars! Additionally, most TVs, regardless of how old or broken, are able to be repaired.

Unless you’re an electrician or electrical engineer, chances are that you don’t know the first thing about repairing a TV. That’s why it’s best to involve a professional repairman in the process. They will have access to the correct parts and know exactly how to handle each repair.

Most TV repair shops are trained to repair any brand of TV, regardless of where you purchased it. With your TV in professional hands, you can sit back and relax knowing you have the right people for the job.

Unless you have the skill and experience to fix your broken TV, leave this job to the pros. Start searching for atop-rated TV repair professional on Thumbtack.

Most TVs sold today are known as “flat screen TVs,” which is just a way of describing their appearance as a thin rectangle less than 10 inches thick. Modern flat screen TVs differ from older models, called CRTs or cathode ray tube TVs. Those televisions had curved screens and were often quite thick.

Today, flat screen TVs range from LED and LCD televisions that have been around for a few decades to upgraded models known as OLED and 4K TVs, which boast better picture quality. Plasma screen TVs were once a popular type of flat screen TV. However, they have fallen out of popularity. Most TVs sold today are also smart TVs, which means they can connect to the internet. Older flat screen models that need repair are sometimes not smart. The table below describes these common television types and how much each usually costs to repair.

Repairs for LCD TVs cost between $60 and $475. LCD televisions are one of the most popular options on the market, available in a wide range of sizes and styles. They use an LCD (liquid crystal display) with backlights to produce images. The backlights, screen, and other components may get damaged over time and need repairing. The most common problems for LCD TVs are bad power supplies and dead capacitors that may need repair or replacement.

LED TV repairs range from $60 to $475, depending on the scale of the problem. LED televisions are a specific type of LCD TV that use LED backlights to illuminate the liquid crystal display. These TVs usually produce more colorful and vibrant images and are more energy-efficient, but the LED backlights may need to be repaired or replaced over time. Another common problem is a broken inverter that requires repair or replacement.

4K TV repairs range from $100 to $350. A 4K television provides some of the clearest and most detailed images because of the very high resolution of its screen, providing more engaging viewing experiences. There are different types of 4K TVs, including some that use LED and others that use OLED. Basically, a television is considered 4K if it has ultra high definition. These models can be expensive to purchase and repair, but in many cases, repairs may not be possible on these units. So, their overall repair costs may be lower simply because some repairs may not be offered. Issues that are repairable include inverter, backlight, and power supply problems.

Smart TV repairs cost between $100 and $475. These TVs have Smart technology and connect with your home’s Wi-Fi network to download updates and access apps and the internet. They are more advanced than other TVs but still have various components that can break and require repairs. Many Smart TVs can have basic components. So even though they may be more expensive to purchase, they are not necessarily the most expensive to repair. That comes down to how the television is made and what makes it Smart. Common repairs include power supply replacement, bulb replacement, and backlight repair.

Plasma TV repairs average $100 to $485. These televisions are made up of pixels filled with gas that light up when an electrical current is applied. They are less popular today, and most companies have stopped making them. But they can still be found in many homes and are subject to problems like screen burn and distorted colors. While some repairs on these TVs are possible, such as when the power supply fails, many issues cannot be repaired due to the rarity of replacement parts. Screen burns and problems that require screen replacement render the television not-fixable.

OLED TV repairs cost between $100 and $1,000 on average. They are the next step up from a standard LED TV, with OLED standing for organic light-emitting diodes. OLED televisions can achieve deeper blacks and higher contrast compared to standard LED screens. However, they can be very expensive to purchase and repair. Unfortunately, some OLED TVs are quite susceptible to “burn-in,” which is officially known as permanent image retention. When this occurs, an image remains on the TV even though it is shut off. The problem may require screen replacement.

You might not know exactly which part of your TV is broken or damaged at first. The symptoms of a broken television vary from vertical colored lines across the screen to audio issues, power problems, and even situations where the television starts normally but then turns itself off. For this reason, most repairs start with a diagnostic so that the problem can be found and a plan made for repair. For some repairs to be made, the part will need to be replaced, while in other cases, repair or replacement of that part may not be possible. The table below shows common problems and average repair costs for each.

Repairing a TV that will not turn on costs between $60 and $475 because there are many potential causes. It might be something as simple as a failed capacitor, which can be replaced quite cheaply. Or, it could be a motherboard or power supply issue, which is more costly to fix. The problem may be intermittent initially and become more frequent or permanent after a part fails.

Damaged cables on your TV can be repaired for between $75 and $200 in most cases. Over time, cables can get frayed, twisted, or broken, but professionals can cut away the damaged parts, add in new connectors and repair the damage, or simply replace the bad cables with new ones.

Expect to pay between $75 and $475 to repair a television with no sound. There are various reasons why your TV’s sound stopped working. When the problem is not an issue with the media you are trying to play on your television or an issue with a video file format, it is most likely a fault with a speaker, which can be repaired or replaced. Or, it could be a deeper issue associated with the motherboard, which may also need fixing or replacing.

Repairs for this problem cost between $100 and $475. If your TV’s picture appears for a moment and then vanishes, it may be an issue with the inverter. The problem might also be a faulty circuit board. Inverters and circuit boards can be repaired, but the extent of the damage might require a full replacement of one of those parts. A repairman will open it up, diagnose the issue, and decide on the most efficient solution.

The cost to repair this problem is between $100 and $475. Sometimes, a television may shut off randomly after a short time because the sleep timer is accidentally engaged. However, the problem may also exist inside the television and require professional repair. One common reason the TV turns off is that it is overheating. The TV shuts off after a few minutes to prevent serious damage to the system. Fixing it may require an easy cleaning or may require the replacement of an overheated circuit board or power supply.

Repairing vertical lines on the screen averages $150 to $400. This is usually an issue associated with your TV’s control board or motherboard, which may be damaged and need to be either repaired or replaced. Resetting the television to its factory defaults may fix the issue. Or, a loose cable may be causing the problem. If resetting the television and reseating the cables does not work, a repair person will need to open the TV to diagnose and repair the issue.

Repairing horizontal lines on your TV costs between $150 and $475. It might be an issue with the motherboard, or it could be a problem with loose cables between the panel and the control board. Sometimes, the fix is as easy as resetting the television to factory defaults or updating the firmware. However, the problem may exist inside the TV, and to fix this issue, the repair person needs to open the television to diagnose the problem.

Water damage repairs on a TV range from $150 to $500. In some cases, if too much water has gotten into the TV, it may be beyond repair. In less severe situations, a repairman will take the television apart, dry it out, and put it back together successfully, repairing any damaged components. The repair person needs to clean the inside of the TV and get it dry because impurities in water can cause corrosion of various components.

Repairing a cracked TV screen costs from $400 to $1,000 or even more. Cracked screens cannot be repaired, they can only be replaced, and they are very expensive, sometimes exceeding the cost of a new TV. For this reason, if you have a cracked screen, it will probably have to be replaced entirely, or the manufacturer will need to handle the repair at one of their facilities or via a mobile repair service.

TVs are made up of various parts and components, all working together to produce lights, colors, pictures, and sounds for your entertainment. Over time, accidents may happen that damage these parts, or they might just wear down over the years through repeated use. For example, an HDMI port may become bent after a plug is reinserted several times. Alternatively, one of the lights inside the TV responsible for illumination may fail, causing the entire screen to go dark. The circuit boards that act as the brain and power source for the TV may also fail or short-circuit because of repetitive use, energy spikes, or other power problems. Many parts of the TV are fully repairable. Paying to repair the TV may be more cost-effective than buying a new one. The table below shows common TV repairs and the costs for each.

HDMI port repairs for a TV cost between $60 and $260. Sometimes, HDMI ports fall out of position and may simply need to be repositioned. Heavily used HDMI ports may also wear out over time or become bent after cables are inserted and removed often, and the TV is turned on and off frequently. In other cases, one might stop working due to a more serious fault and require full replacement of the port.

TV speaker repairs range from $75 to $260, depending on the type and damage done to the speaker. When a speaker starts to fail, the sound coming from the TV may sound muffled, or it might be impossible to increase the volume to an audible level. Faulty speakers may simply need rewiring or minor adjustments, or they could need to be cleaned or replaced, so the exact costs and amount of work vary.

Backlight repairs average $100 to $200. The backlight is what illuminates the display of your television, providing the brightness and color. It may be in the form of LED light strips or fluorescent lights, depending on which television type you have. When the lights are in a series, one bad light may cause the entire screen to fail. If these lights develop a problem, a repairman must open it up and make adjustments to get them functioning again.

TV inverter repairs cost between $100 and $210 each. The inverter powers up the backlights for your television, and they can stop working if their capacitors break down. Symptoms of a failing or failed inverter include no picture, a faint picture, or a flashing screen. The power button may still illuminate, and the sound may work fine even though the inverter is broken. Repairs are made by fitting new capacitors in place.

Power board repairs cost between $200 and $475. The power supply board allows it to turn on and function, and if it breaks down in any way, it may simply stop turning on. Often, a repairman can replace some of the capacitors and make other adjustments to repair a faulty board, rather than having to replace it entirely. Replacing a power board requires a soldering iron and some expertise in soldering.

TV panel repairs average $200 to $2,000 because different types of televisions have materials that vary significantly in cost. An older LED TV might cost between $200 and $400 to fix, but a 4K TV may cost several thousand to repair. Additionally, some panels cannot be repaired. For this reason, many companies do not offer panel repair. So if your television gets a crack in the panel, you may be better off buying a new unit instead.

TV screen repairs cost between $300 and $1,000, but in many cases, repairing the screen is not possible. Since the screen is usually the most expensive part of the television and one of the most sensitive to impacts and other damage, an expert may advise you to simply buy a new television instead of having it repaired. It is worth getting a diagnosis if the screen issue is not too severe because issues like flashing pixels or distorted colors may be fixable. While cracks might not be repairable, sometimes scratches and smudges are fixable.

In some cases, your TV components may not be able to be repaired, or it might be more cost-effective to replace them with new ones. The repair price includes the cost of new parts, plus the labor required to fit them into place and remove the broken components. While some components can be replaced, they may be extremely expensive or cost-prohibitive to do so. This is mainly in the case of panels and screens because they often contain too many parts to replace on their own. The table below shows average costs for a variety of common replacements:

Fuse replacement in a TV costs between $60 and $150 and is one of the easier replacement jobs for a repairman. Glass and ceramic fuses on your TV’s power supply board may blow in certain situations and need replacing. To replace a fuse, the repairman opens the TV to access the power panel and swaps out the fuse. Bear in mind that the TV may have a more serious electrical problem if the fuse blows more than once.

Replacing a TV capacitor is inexpensive, starting at $60 to $300. If more than one capacitor needs replacing, it is usually less expensive to replace the entire board. Capacitors cannot be repaired, so replacement is the only option. Replacing the capacitor may fix problems with slow start-up times, screen flickering, disappearing pictures, and sound problems.

TV bulb replacement costs average $100 to $200. Bulbs are usually found only in older models of LCD TVs or projection TVs. They are used to illuminate the display so that the picture can be seen. Bulbs are relatively easy to replace, but the material costs are a little higher with bulbs when compared to other components, leading to varied replacement prices from model to model. Replacing a bulb can fix a flickering television or a dark screen problem.

TV backlight replacements cost between $100 and $200 on average, depending on the television size and scale and the type and number of lights required. If you have LED lights, parts may be more expensive, leading to higher total costs. Usually when backlight problems occur, the bulbs or diodes are dead and need to be replaced. Replacing the TV backlight helps fix the problem where the TV is half or fully dark when turned on, and the image is only partially visible.

HDMI port replacement on a TV costs between $200 and $350. Damaged or broken ports may simply stop working or be incompatible with certain HDMI cables. In this case, a new port must be fitted and connected to the circuit board, requiring a couple of hours of labor. Replacing an HDMI port helps you regain the use of the port, which may have failed due to a bent piece or a problem with its connection to the circuit board.

TV motherboard replacements average $200 to $450. Often when a problem occurs with a motherboard, it needs to be completely replaced rather than repaired. The motherboard controls the TV’s functions and features, and a broken motherboard makes your television completely unusable. Replacing a motherboard may fix all sorts of problems, including missing sound, random shut-downs, failure to connect to the internet, and HDMI ports that are not recognized by the TV.

TV screen replacement costs at least $400 to $4,200 and may even cost more. The screen is the most expensive part of a TV. So usually, the cost of replacing it is higher than just buying a new unit because of the labor involved. In some cases, this is because the screen cannot be replaced without also replacing most of the other components, particularly for TVs like LED, LCD, or plasma. Most professional repair companies do not offer screen or panel replacement as a service. The only way to get a new screen is to have it fixed under warranty by the manufacturer.

TV panel replacement costs a minimum of $400 to $5,000 and often a lot more on some of the high-end 4K and Smart screen displays. Because the cost of a replacement panel is so high, it is usually more cost-effective to simply purchase a new television. Like the screen, this is due to the number of components involved. Therefore, most repair places will not offer panel replacement as a service.

There are many different brands and companies that make TVs. Some brands specialize in certain types, while others make a wider range of products. It is common for the brand to impact the cost of repair because there may be specific issues or costs related to that brand. While you may choose a specific brand based on the technology, cost, or resolution, keep in mind that brands may also have varying costs for repairs and the repairs types that may be available. Regardless of brand, most TV repairs fall between $60 and $400, although some repairs may be higher.

The cost to fix a Philips TV is $60 to $100. The typical issue with Philips televisions seems to be that they have a mind of their own. They turn on and off and sign in and out of apps randomly. While a solution doesn’t seem to be forthcoming, Philips is steadily losing customers due to a firmware problem. However, if they have a problem that is not related to a software bug, it is usually a problem with the power source.

Fixing a Sony TV will cost you about $60 to $400. This popular brand has a reputation for simply becoming disabled with no power or sound. Unfortunately, the customer service at Sony isn’t always the best. Customers are often frustrated when it comes to warranty work. Sony TV problems that may require repair from a professional include motherboard issues that cause image flickering and HDMI port issues.

To fix your TCL TV blank screen, you should expect to pay about $60 to $400. One characteristic repair of the TCL brand is a black screen with no picture. This can be a fuse that has blown, or it may require a major change, such as a new main board. Some TCL owners also report having problems with the sound, which may require repairing the speakers. Sound problems may also indicate an issue with a cable.

Damaged cables can cause a TV to flicker or grow dim. Repair prices for damaged cables are $75 to $200. Samsung TV owners cite this flickering or dimming of the screen as a common issue with this brand. Sometimes the settings for the eco sensor or the energy-saving feature create this problem. Turning either of those off may fix the issue. In some cases, Samsung TVs may experience overheating and a resulting hardware failure or motherboard problem that requires repair or replacement of the motherboard.

Some of the most common issues with this brand are banding at a repair cost of $100 to $200 or sound with a cost of $150 to $400. Color problems may be related to adjustment and can be fixed for a low cost of $75 to $100, HDMI connections are often fixed at the cost of $200 to $300, and streaming problems may be corrected with a software update. Software updates can be done by the owner, but a repairman will most likely charge a minimum fee of $75 to $100. Banding presents as sections of bands where it should be smooth. Sound and color can go out over time in the LG brand. HDMI and streaming can become difficult as technology emerges and changes.

Hisense TVs have a history of display difficulties and could cost you about $100 to $200. Typically, it means you need a new inverter, or it could signal the beginning of the end for your Hisense television. A black screen may also indicate a problem with the motherboard, which usually requires complete replacement. A technician can test the TV to determine whether the motherboard is bad.

Panasonic TV owners often experience the power clicking on and off and may need a new main board at the cost of $200 to $400. The reset button may help. The repairman will need to replace the motherboard of the TV if that fails. Before calling a repairperson, Panasonic TV owners may want to try a factory reset or a firmware update. Occasionally, Panasonic TV problems are a simple programming issue.

The Vizio TV is known for its screen of death (a blank or black screen) and usually costs about $200 to $400. The problem is most often a blown motherboard, and replacement is the only option. A factory reset may be a solution. If that doesn"t work, the motherboard is the best possible answer. Vizio TVs also commonly have problems with lines on the screen. This issue is occasionally fixable with a hard reset or factory reset. However, it often requires a motherboard replacement, too.

A television repair technician has earned a career certificate or Associate’s degree in electronics technology or a related field. Expect to pay between $60 and $125 per hour in labor for someone to fix your television. Some technicians have minimum costs for some repairs, particularly if they travel to you. In this case, you may find that even if the repair only takes an hour, you may need to pay a minimum of two hours of work.

The amount of time to repair your TV depends on what the problem is and the availability of parts. Most jobs can be completed in 1 to 3 hours when the parts are on hand.

Most technicians charge you a diagnostic fee upfront. This fee is for determining what the problem is and can run between $75 and $150. The cost is often waived if you allow the shop’s technicians to make the repairs for you.

In-shop TV repair services may involve a pick-up and delivery charge if you do not take it in yourself. While some may do this for free, others charge between $40 and $75 to pick-up and deliver the TV back to you. Additionally, customers that live in rural areas may have to ship the television. If you do this, make sure you obtain a tracking number and proof of delivery. The repair service will contact you with the list of recommended repairs and the cost and request a debit or credit card to pay for the repairs before completing them.

Often, you must decide whether it is worth repairing your TV. In some situations, the cost of repairs is higher than the price of a new TV. For example, when screens are cracked or damaged, the cost of replacing a panel is usually much higher than simply buying a new TV. For major repairs, it is often cheaper to buy a new TV. However, for minor repairs, it is less expensive to call a repair person and get the TV fixed.

It is recommended to replace electronics whenever the cost of repairs equals or exceeds half the cost of a new purchase. It is also recommended that you replace your television if the new version is less than $200, or if your screen is smaller than 32”. For example, it costs around $150 for a new motherboard in an LG Model 24LF452B 24” TV, which takes around one hour to repair. As a result, you would pay between $190 and $210 to repair your old set, while it is possible to purchase a new one for less.

If you invested a lot of money in your television, the costs of repairing an inverter or getting new backlights may be far cheaper than replacing it. This is why it is often best to ask a professional to diagnose the problem and give you a quote for the repair work. Then, you can compare the price of repairs against the cost of a new TV and decide what makes sense. If your TV breaks down repeatedly, you have multiple repair bills over the course of a year. It might be time for a new television even if a single repair does not seem too expensive.

To minimize repairs and help your TV stay in working order for as long as possible, take care of it as well as you can. Here are some useful TV maintenance tips:Do not leave the TV on if you are not actually watching it. They can run for tens of thousands of hours, but there is no need to waste those hours. So, avoid leaving it on in the background, and make sure to turn it off when you leave the room.

Try not to leave your TV on for too long at a time. Like other appliances, televisions can start to get very hot the longer they are left on. They need to be turned off now and then to get a chance to cool down and rest before being switched back on.

Keep your TV clean. Over time, dust, pet hair, and bits of dirt can build up on the screen and get inside the television via vents and ports. This dust accumulation can affect a TV’s operation and make it more likely to break down.

Consider using a surge protector to keep your TV and associated devices and appliances safe. This can be especially important in areas that experience a lot of storms or frequent power cuts because sudden cuts and surges easily damage your TV’s components.

When positioning your television, leave space around it to provide airflow. This helps prevent the TV from overheating and cools it down more quickly when you turn it off.

Mounting a television usually costs between $100 and $300. Mounting1 a TV is something to think about when you have a TV that sits on a TV stand and want to prevent the TV from getting knocked down and damaged. Many TV specialists also mount TVs as part of their services. You might find it convenient to have this service performed at the same time as your repair.

Additional Considerations and CostsDIY. In some cases, it is possible to repair a TV with a simple reset or update to the firmware. Replacing a cord or buying a new remote is another easy fix. However, most repairs that require that the TV is taken apart are a job for a professional. Improper installation of a T-con board or an issue soldering a piece into the television could result in permanent failure or electrical danger to the owner or the home.

Obvious solutions. Before seeking repairs, first look for the obvious. If your set will not power on, it could be a problem with your outlet and not your TV. Try plugging your television into a different outlet to see if that resolves the problem. If that does not fix it, ensure you have not tripped a breaker, and check that the power cord is fully seated.

Remote control. A set that powers on and off at random is sometimes caused by issues with the remote. Try removing and replacing the batteries or using a different remote if possible.

Warranty. When purchasing a new television, buying an extended warranty can spare you the unwanted expense of repair bills in some cases. An extended warranty is largely based on the price of your television. Expect to spend between 10 and 20 percent of your set’s cost on an extended warranty to help cover damage. Ordinary warranties only cover manufacturer’s defects and, therefore, cannot be used to pay for damage due to neglect or accidents.

Scams. Television repair scams are quite common. Before hiring someone to fix your set, find out what experience and training that person has. Check references and online reviews as well.

Yes, flat-screen TVs can frequently be fixed, including issues with the screen, sound, lighting, cables, and interior components. However, there are some situations where flat-screen TVs cannot be fixed, such as when the screen is severely cracked.How do you fix a broken TV screen?

Not all TV screens can be fixed or replaced. Certain types have components behind the screen that can be damaged by its removal. However, if you choose to proceed, remove all external cables, unplug your set, and lay it face down on a flat, soft surface. Remove any screws holding the frame in place and then gently remove the frame and set it aside. Put your new screen in place and reconnect the internal cables in the same manner you disconnected them. It is usually best to get a professional to handle TV repairs, and the cost of replacement screens is often very high. So, it may be more cost-effective to get a new TV.How many years will a flat-screen TV last?

This depends on the make and model of your TV and your viewing habits. Many modern TVs last 60,000 viewing hours or more, equating to 30+ years for a typical person. However, its lifespan can be reduced if it is not properly maintained and cared for.Does turning the TV off shorten its life?

No, turning a TV off will not usually shorten its life in any way. It is actually recommended to turn TVs off when you are not using them, allowing them to cool down and extend their lifespan.Is it okay to leave a TV on all night?

This is not recommended. If you leave a TV on for too long, it may overheat, which could damage interior components like the motherboard. It may also do damage to the screen and risk ‘burning’ an image into the display, as well as damaging the backlights.Do Smart TVs use more electricity?

Generally, no. Most modern Smart TVs are designed to be as energy-efficient as possible, with some models even using less energy than conventional TVs. It all depends on the TV make and model.

MMyy SSppeecciiaall R Reeqquueesstt::Please cannot give this E-book away for free and you do not have therights to redistribute this E-book anywhere on web.

Disclaimer And/ Or Legal NoticesThe reader is expressly warned to consider and adopt all safety precaution that might be indi-cated by the activities herein and to avoid all potential hazards. This E-Book is for INFORMA-TIONAL PURPOSES only and the author do not accept any responsibilities or liabilities result-ing from the use of this information. While every attempt has been made to verify the infor-mation provided here, the author cannot assume any responsibility for any loss, injury, errors,inaccuracies, omissions or inconvenience sustained by anyone resulting from this information.Most of the repair tips and solution given should only be carried out by suitable qualified elec-tronics engineers/technicians. Please be careful as all electrical equipment is potentially dan-gerous when dismantled. Any perceived slights of policy, specific people or organizations areunintentional.

Limit of Liability/ Disclaimer of WarrantyThe author Imran Ashraf and publisher of this E-book and the accompanying materials have, Complied from various sources and also own knowledge of repair filed and his best efforts inpreparing this book. The authors and publisher make no representation or warranties withrespect to the accuracy, applicability, fitness, or completeness of the contents of this Book.They disclaim any warranties (expressed or implied), merchantability, or fitness for any par-ticular purpose. The reader is expressly warned to consider and adapt all Safety precautionsthat might be indicated by the activities here in and to avoid all potential hazards. By followingthe instructions contained herein, the reader willingly assumes all risks in connection withsuch instructions. The authors and publisher shall in no event be held liable for any loss orother damages, including but not limited to special, incidental, consequential, or other damag-es. As always, the advice of a competent legal, tax, accounting or other professional should be12|Pag e

sought. No this parts of this E-book/Guide/Manual shall be reproduced or transmitted by anymeans, electronic, mechanical, photocopying, printing and recording or otherwise . Any unau-thorized use of this material is prohibited. All product illustration, product names and logo aretrademark of their respective manufacturers. If you have any information regarding the ille-gal reselling or duplication of the E-book, please report it to Imran_usa9@yahoo.com for yourreward.

This E-book Dedicate to my late father Muhammad Ashraf, my Sweetfamily and my Friends around the globe and My Pakistani friendNaseeb Jan, they all helps me and support me a lot for preparationthis great e-book, Thanks all of you.

COLLECTION OF TRICKS & HOW-LED LCD TV SERVICE FROMVARIOUS SOURCES RELIABLE TECHNICIANsHere is I reveal a big secrete of Panel repairing for you and a Chance to earn big moneyfrom it, Some LCD panel failures could possibly mistake for T-Con board issues. Otherthan damage to the LCD glass, most panel failures are isolated to a particular area of thescreen. Since the T-Con disperses the pixel data to groups of line and column drive IC’ssituated on the outer edges of the panel, it is unlikely that more than one of these IC’swould fail at the same time. Multiple columns of struck on or stuck off pixels are there-fore, more likely to be the fault of the T-Con circuits. The same applies to a single rowof lit or unlit pixels. The T-Con simply cannot cut out a single line of information.

L.C.D L.E.D T.V Panels Connection and Voltages UnderstandingHere we talking about the main voltages and pin connection of L.C.D and L.E.D T.Vs Panels, every technician should know where to test and how to check voltages of eachconnection as they mention in Service Manual or schematic diagram or at least youshould know the basic working voltages.

5. VGH Supply LCM driver output Around 12v+ to 19.5v+ 6. STV Vertical Sync Input. The rising Pulse edge of STV begins a frame of data. The STV input is used to generate the high-voltage STVP output. 7. CPV1 Vertical Clock-Pulse Input. CPV1 Pulse controls the timing of the CKV1 and CKVB1 outputs, which change state (by first sharing charge) on its falling edge.

8. CPV2 Vertical Clock-Pulse Input. CPV2 Clock pulse controls the timing of the CKV2 and CKVB2 outputs, which change state (by first sharing charge) on its falling edge.

9. V.COM out Common signal output TFT Signal pulse 10. POL in Supply input common sig- Signal nal 11. VDC in Supply +5.0v min 12. VON Gate-On Supply. VON is the posi- Around 20v+ tive supply voltage for the CKV_, CKVB_, and STVP high-voltage driver outputs. 13. V-OFF Gate-Off Supply. VOFF is the Around 8V- negative supply voltage for the CKV_, CKVB_, and STVP high- voltage driver outputs.

Brief Details of Panels Connection PointsVDD VDD is the logic supply input for the scan driver.VON Gate-On Supply. VON is the positive supply voltage for the CKV_, CKVB_, andSTVP high-voltage driver outputs.VOFF Gate-Off Supply. VOFF is the negative supply voltage for the CKV_, CKVB_,and STVP high-voltage driver outputs.STV Vertical Sync Input. The rising edge of STV begins a frame of data. The STVinput is used to generate the high-voltage STVP output.CPV1 Vertical Clock-Pulse Input. CPV1 controls the timing of the CKV1 and CKVB1outputs, which change state (by first sharing charge) on its falling edge.CPV2 Vertical Clock-Pulse Input. CPV2 controls the timing of the CKV2 and CKVB2outputs, which change state (by first sharing charge) on its falling edge.EN Enables the MAX17121. Drive EN high to start up the MAX17121 after a de-lay time, which is set by a capacitor at DLY.CKVB1 High-Voltage Scan-Drive Output. CKVB1 is the inverse of CKV1 duringactive states and is high impedance whenever CKV1 is high impedance.CKVB2 High-Voltage Scan-Drive Output. CKVB2 is the inverse of CKV2 duringactive states and is high impedance whenever CKV2 is high impedance.CKVBCS2 CKVB2 Charge-Sharing Connection. CKVBCS2 connects to CKVCS2whenever CPV2 and STV are both low (to make CKV2 and CKVB2 high impedance)to allow CKV2 to connect to CKVB2, sharing charge between the capacitive loadson these two outputs.CKVCS2 CKV2 Charge-Sharing Connection. CKVCS2 connects to CKVBCS2whenever CPV2 and STV are both low (to make CKV2 and CKVB2 high impedance)to allow CKVB2 to connect to CKV2, sharing charge between the capacitive loadson these two outputs.STVP High-Voltage Scan-Drive Output. STVP is connected to VOFF when STV is45|Pag e

low and is connected to VON when STV is high and CPV1 is low. When both STVand CPV1 are high, STVP is high impedance.DLY Startup Delay Setting. Connect a capacitor to adjust the delayDISH VOFF Discharge Connection. Pulling DISH below ground activates an inter-nal connection between VOFF and GND, rapidly discharging the VOFF supply. Typ-ically, DISH is capacitive connected to VDD, so that when VDD falls, VOFF is dis-charged.VCOM Operational Amplifier Output

CKV High-Voltage, Gate-Pulse Output. When enabled, CKV toggles between itshigh state (connected to GON) and its low state (connected to GOFF) on each fall-ing edge of the CPV input. Further, CKV is high impedance whenever CPV and OEare both low and whenever CPV is low and OECON is high.CKVCSCKV Charge-Sharing Connection. CKVCS connects to CKV whenever CKV ishigh impedance to allow connection to CKVB, sharing charge between the capaci-tive loads on these two outputs.CKVBCS CKVB Charge-Sharing Connection. CKVBCS connects to CKVB when-ever CKVB is high impedance to allow connection to CKV, sharing charge betweenthe capacitive loads on these two outputs.CKVB High-Voltage, Gate-Pulse Output. CKVB is the inverse of CKV during activestates and is high impedance whenever CKV is high impedance.STVP High-Voltage, Start-Pulse Output. STVP is low (connected to GOFF) whenev-er STV is low and is high (connected to GON) only when STV is high and CPV andOE are both low. When STV is high and either CPV or OE is high, STVP is high im-pedance.STV Vertical Sync Input. The rising edge of STV begins a frame of data. The STVinput is used to generate the high-voltage STVP output.OECON Active-Low, Output-Enable Timing Input. OECON is driven by an RC-filtered version of the OE input signal. If OE remains high long enough for the re-sistor to charge the capacitor up to the OECON threshold, the OE signal is maskeduntil OE goes low and the capacitor is discharged below the threshold through theresistor.OE Active-High, Gate-Pulse Output Enable. CKV and CKVB leave the high-impedance charge-sharing state on the rising edge of OE.CPV Vertical Clock-Pulse Input. CPV controls the timing of the CKV and CKVBoutputs that change state (by first sharing charge) on its falling edge.GND Logic GroundDISH GOFF Discharge Input. Pulling DISH below ground activates an internalconnection between GOFF and GND, rapidly discharging the GOFF supply. Typical-ly, DISH is capacitively connected to IN, so that when VIN falls GOFF is discharged.VDD Supply Input. Logic supply input for the VCOM calibrator. Bypass to GNDthrough a minimum 0.1μF capacitor.WPN Active-Low, Write-Protect Input. When WPN is low, I2C commands are ig-nored and the VCOM calibrator settings cannot be modified.SCLS Alternate I2C-Compatible Clock Input. When WPN is high, SCLS connects toSCL to drive SCL from an alternate clock source.SCL I2C-Compatible Clock Input and OutputSDA I2C-Compatible Serial Bidirectional Data Line56|Pag e

WPP Write-Protect Output. WPP is the inverse of WPN. It can be used to controlactive-high, write-protect inputs on other devices.SET Full-Scale, Sink-Current Adjustment Input. Connect a resistor, RSET, fromSET to GND to set the full-scale adjustable sink current that is VBOOST / (20 xRSET). IOUT is equal to the current through RSET.VL 3.3V On-Chip Regulator Output. This regulator powers internal analog cir-cuitry for the step-up regulator, op amp, and VCOM calibrator. External loads up to10mA can be powered. Bypass VL to GND with a 0.22μF or greater ceramic capaci-tor.BGND Amplifier GroundBOOST Operational Amplifier Supply Input. Connect to VMAIN (Figure 2) andbypass to BGND with a 1μF or greater ceramic capacitor.OUT Adjustable Sink-Current Output. OUT connects to the resistive voltage-divider at the op amp input POS (between BOOST and GND) that determines theVCOM output voltage. IOUT lowers the divider voltage by a programmableamount.POS Operational Amplifier No inverting InputNEG Operational Amplifier Inverting InputVCOM Operational Amplifier OutputSHDN Shutdown Control Input. Pull SHDN low to disable the step-up regulator.The VCOM calibrator, op amp, and scan driver functions remain enabled.IN Step-Up Regulator Supply Input. Bypass IN to AGND (pin 34) with a 1μF orgreater ceramic capacitor.LX Switching Node. Connect inductor/catch diode here and minimize trace ar-ea for lowest EMI.PGND Power Ground. Source connection of the internal step-up regulator powerswitch.FB Feedback Input. Reference voltage is 1.24V nominal. Connect external resis-tor-divider midpoint here and minimize trace area. Set VOUT according to: VOUT= 1.24V (1 + R1/R2).COMP Compensation Input for Error Amplifier. Connect a series RC from COMP toAGND. Typical values are 180k and 470pF.AGND GroundGOFF Gate-Off Supply. GOFF is the negative supply voltage for the CKV, CKVB, andSTVP high-voltage driver outputs. Bypass to PGND with a minimum of 0.1μF ce-ramic capacitor.GON Gate-On Supply. GON is the positive supply voltage for the CKV, CKVB, andSTVP high-voltage driver outputs. Bypass to VMAIN or PGND with a minimum of0.1μF ceramic capacitor.EP Exposed Backside Pad. Connect to the analog ground plane through multi-ple vias to enhance thermal performance.

CKVB1 High-Voltage Scan-Drive Output. CKVB1 is the inverse of CKV1 duringactive states and is high impedance whenever CKV1 is high impedance.STVP High-Voltage Scan-Drive Output. STVP is connected to VOFF when STV islow and is connected to VON when STV is high and CPV1 is low. When both STVand CPV1 are high, STVP is high impedance.CKVB2 High-Voltage Scan-Drive Output. CKVB2 is the inverse of CKV2 during

active states and is high impedance whenever CKV2 is high impedance.CKVBCS2 CKVB2 Charge-Sharing Connection. CKVBCS2 connects to CKVCS2whenever CPV2 and STV are both low (to make CKV2 and CKVB2 high impedance)to allow CKV2 to connect to CKVB2, sharing charge between the capacitive loadson these two outputs.CKVCS2 CKV2 Charge-Sharing Connection. CKVCS2 connects to CKVBCS2whenever CPV2 and STV are both low (to make CKV2 and CKVB2 high impedance)to allow CKVB2 to connect to CKV2, sharing charge between the capacitive loadson these two outputs.CKV2 High-Voltage Scan-Drive Output. When enabled, CKV2 toggles between itshigh state (connected to VON) and its low state (connected to VOFF) on each fall-ing edge of the CPV2 input. Further, CKV2 is high impedance whenever CPV2 andSTV are both low.STV Vertical Sync Input. The rising edge of STV begins a frame of data. The STVinput is used to generate the high-voltage STVP output.CPV1 Vertical Clock-Pulse Input. CPV1 controls the timing of the CKV1 and CKVB1outputs, which change state (by first sharing charge) on its falling edge.CPV2 Vertical Clock-Pulse Input. CPV2 controls the timing of the CKV2 and CKVB2outputs, which change state (by first sharing charge) on its falling edge.N.C. Not ConnectedEN Enables the MAX17121. Drive EN high to start up the MAX17121 after a de-lay time, which is set by a capacitor at DLY.DLY Startup Delay Setting. Connect a capacitor to adjust the delay based on tDE-LAY= CDLYx 410kI.GND GroundDISH VOFF Discharge Connection. Pulling DISH below ground activates an inter-nal connection between VOFF and GND, rapidly discharging the VOFF supply. Typ-ically, DISH is capacitive connected to VDD, so that when VDD falls, VOFF is dis-charged.VDD Supply Input. VDD is the logic supply input for the scan driver. Bypass toGND through a minimum 0.1FF capacitor.VOFF Gate-Off Supply. VOFF is the negative supply voltage for the CKV_, CKVB_,and STVP high-voltage driver outputs. Bypass to GND with a minimum of 1FF ce-ramic capacitor.VON Gate-On Supply. VON is the positive supply voltage for the CKV_, CKVB_, andSTVP high-voltage driver outputs. Bypass to GND with a minimum of 1FF ceramiccapacitor.CKV1 High-Voltage Scan-Drive Output. When enabled, CKV1 toggles between itshigh state (connected to VON) and its low state (connected to VOFF) on each fall-ing edge of the CPV1 input. Further, CKV1 is high impedance whenever CPV1 andSTV are both low.CKVCS1 CKV1 Charge-Sharing Connection. CKVCS1 connects to CKVBCS1whenever CPV1 and STV are both low (to make CKV1 and CKVB1 high impedance)to allow CKVB1 to connect to CKV1, sharing charge between the capacitive loadson these two outputs.CKVBCS1 CKVB1 Charge-Sharing Connection. CKVBCS1 connects to CKVCS1whenever CPV1 and STV are both low (to make CKV1 and CKVB1 high impedance)to allow CKV1 to connect to CKVB1, sharing charge between the capacitive loadson these two outputs.78|Pag e

FAULT: Blurred image and not clear with slow motion like ghost, Checktest points at T-con DVDD=3.3v VDD=12v Vcom=5.6v Voff=-8vVref_FB=1v Gref=12v seems all normal while VGH=11v and Von=0vNow the voltage VGH should be 24v based on the MAX17126 i.c,Now itssure that MAX17126 is faulty.

Solution: As an alternative supply instead VGH and Von I use injection of24v volts from the back light power supply, to be more safety majors I putup their respective series 100 ohm 0.25watt input, Now set works verygood.

1. S-PWB with gate PCB (Side Pads) We found many open connection and we use jumper wire (I took this kind of wires from old dc motor of tape recorder)

2. S-PWB without PCB (Side Pads) we also found open connection in these types of panels but fixing these types of panels is very extra ordinary delicate art and you1112 | P a g e

3. S-PWB without Gate Driver PCB or Chip (No Side Pad) Chance is very low for modification of this kind of panels, but we still using some tricks on that.

Panel Cut-CircumcisionLED, LED panel damage of this kind is one of the damage that is often experienced. Alt-hough in a different shape or position, such as partial or one-third of the panel, but thesource of the damage is still almost the same. We can try to modify the source voltagesupply part (output voltage I.c scan MAX 17108) in order to supply voltage could beclose to normal, because we know that this kind of panel does not have the FPC to Rawdriver (scan driver).

1. Unloading the entire casing panels to ensure that there is no path FPC (col- umn) was burned. 2. Check all output voltages power Ic TCON correction when there were fewer than all system voltages. 3. Bias problems arise here, in the IC MAX17108 scan driver. All normal volt- age, but when flickering appears, then the level output voltage at pin 13-22 de- creased, but remained constant in Ic output power (24V). 4.Coba disconnect pin out 21 lines leading to the FPC / panel, and re-measure the voltage in the no-load condition (on tv), usually be constant pin 21 (+ / _ 24v). 5. There is two alternative / option here could i.c are damaged (replace), or in- deed the damaged panel. 6.When panel is damaged we can do a direct jumper between voltage power1415 | P a g e

ICs out with path way in at FPC / panel we broke up earlier, r 10 ohm jumper with a couple / safety. 7.Wait for a min