juno g lcd screen manufacturer

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Yes, I"m sooooo glad the new LCD replacements are here!! Mine"s in the shop now getting replaced, after having been replaced once before in 2010. Not sure if someone already posted this, but in case anyone"s not aware, Roland will replace it free of charge to the owner, as long as they"re the original owner of the unit and can prove it with a receipt, etc. Otherwise, the cost will be $100 for the screen itself, plus whatever costs it"ll be for actually installing/replacing it at your local Roland service center, music shop, wherever. If you have any questions, call Roland at 323-890-3740 x.7005 and talk to Tina, Dana or John; all three have been VERY helpful to me in this frustrating situation over the past several months, particularly Dana whom I"ve talked to more than the other two. I"m sooooo glad Roland finally was able to resolve this (fingers crossed, lol), as I would"ve basically been left with a problematic and near useless keyboard otherwise. Sure, you can access the patches via USB with a laptop at gigs, but that"s a lot more hassle and offers no guarantees for being able to do so because of the screen randomly acting up. I"ve been a Roland user for 20+ years and almost switched to a competitor because of this problem. So glad they finally got it resolved. Keep spreading the word!!!!

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Repairing electronic devices isn’t as hard as it used to be. Thanks to the internet, it’s easy to find datasheets and application notes for any standard component inside your gadget, and once you’ve found the faulty one, you simply buy a replacement from one of a million web shops — assuming you don’t end up with a fake, of course. When it comes to non-standard components, however, things get more difficult, as [dpeddi] found out when a friend asked him for help in repairing a Roland Juno-G synthesizer with a broken display.

The main issue here was the fact that the display in question was a custom design, with no replacement or documentation available. The only thing [dpeddi] could figure out from the service manual was the basic pinout, which showed a parallel interface with two lines labelled “chip select” — an indication that the display contained two separate controllers. But the exact protocol and data format was not documented, so [dpeddi] brought out his logic analyzer to try and decode the signals generated by the synthesizer.

After a bit of trial and error, he was able to figure out the protocol: it looked like the display contained two KS0713-type LCD controllers, each controlling one half of the screen. Finding a compatible replacement was still proving difficult, so [dpeddi] decided instead to decode the original signals using a microcontroller and show the picture on a modern LCD driven by SPI. After some intial experiments with an ESP32, it turned out that the task of reading two reasonably fast parallel buses and driving an even faster serial one was a bit too much for the ESP, so [dpeddi] upgraded to a Raspberry Pi Pico. This worked a treat, and thanks to a 3D-printed mounting bracket, the new display also fit snugly inside the Roland’s case.

The Pico’s code is available on [dpeddi]’s GitHub page, so if you’ve also got a dodgy display in your Juno-G you can simply download it and use it to plug in a brand-new display. However, the method of reverse-engineering an existing display protocol and translating it to that of a new one is pretty universal and should come in handy when working with any type of electronic device: say, a vintage calculator or multimeter, or even another synthesizer.

A few days ago I picked up a used Roland Juno-G in nice shape from a local second hand music store for a hundred bucks. This is actually my second Juno-G as I purchased one about a year ago in mint shape with a working LCD screen. The LCD screen still works today which is great considering Juno-G LCD screens are breaking down like crazy now. It’s days are numbered though for sure. The second Juno-G had a failed LCD screen but the reason I bought it was because inside there was a Roland SRX-07 Vintage Keys expansion board. Plus there was a 512MB ram stick and a really nice soft case included. The Juno-G itself is in excellent condition with the only exception being the bad LCD screen. I felt it was a good purchase because those SRX-07 expansion boards are over $300 on Ebay now. I took out the SRX-07 board and put it in my Fantom X7.

After some research over the past few days I’ve come to the conclusion that there is absolutely no known or “consistent” fix for the LCD screen. This is unfortunate because the Juno-G has a pretty nice feature set that would have made it a nice synth to keep and use for some time. Here is a consolidated rundown of fixes that worked for some, but ultimately failed or will fail.

1. Replacement LCD Screen – So far just about everyone who has forked over money for a replacement LCD screen has experienced a 2nd, 3rd, and in some cases a 4th failure of the LCD screen. There is no way I’m going to spend $200 or so on a replacement LCD screen for the Juno-G knowing that it’s just going to break down again within months or even a year of replacement. That’s crazy! At this time there does not seem to be any known replacement LCD Screen for the Juno-G.

2. Ribbon Cable Fix – I’ve been intrigued about a ribbon cable fix that suggests the LCD cables need to be heated near the connection on the LCD PCB board. I’ve read an account from someone in Germany who fixed their LCD this way but I have yet to find any specific details to how this was done. There does seem to be an agreement among many technicians that the ribbon cables are the root of the problem, but we just don’t know where. Note that Roland is said to have replaced the two small interconnecting ribbon cables on the LCD PCB with a longer one, however, in almost every case the LCD resulted in failure. So I don’t think replacing two short cables with one long one fixed the problem at all.

3. Updating the OS to v2.0 – Contrary to what’s been written around the web, OS version 2 does absolutely NOTHING to fix the LCD issue. Do not believe otherwise. This is an absolute myth.

4. Other things that do NOT work are cleaning the synth, swapping the ribbon cables, working the job wheel or sliders in a frantic manner, powering off and then on after 5 minutes, or sprinkling pixie dust over the Juno-G.

Like a few other synths I’ve worked on, it seems the exact problem with LCD screen is still a mystery with the general public. I believe Roland knows the exact problem but of course they are not going to say a word. I’ve lived in Japan long enough to know how Japanese companies like Roland work so that’s no surprise. What is a surprise is that the Roland Juno-G is a decent synth with a lot of great functionality and features on board. Why nobody has cracked the the LCD puzzle yet is interesting. All I know is that I don’t plan to sell either of my Juno-G synths just yet. I really believe IF the LCD problem gets solved they will definitely get some attention again and could even become popular for stage performance.

Currently I have my Roland Juno-G with the LCD problem sitting on my work bench. I’m going to do my best to solve the problem because I believe the solution does not require an LCD replacement or a cable change. I really only think it requires understanding how those cables work and finding a way to attachment them in a more effective manner that improves the contact of the LCD. Perhaps there is a power supply problem, or maybe another issue, but I really do think the answer is in there somewhere.

Unless proven otherwise, as of the date of this post I absolutely see no solution at all right now for replacing or fixing the Juno-G LCD screen. Nothing out there works including the Roland repair. I would like to find out more about the “heat” or “solder” solution from the gentleman in Germany but that’s like finding a needle in a haystack. There is zero information in the Yahoo groups and the info on Roland Clan is dated at best. Other forums and blogs have bits of information here and there but nothing solid.

UPDATE #1 – It’s gone!! I stripped the second Juno-G for spare parts and then chucked the rest into the garbage bin this morning. The Roland Juno-G is a lost cause with the crappy LCD screen they installed. I would avoid this synth like the plague and stick to the Fantom series instead or later Juno series synths. Luckily I didn’t waste my money in that I got a working SRX-07 Vintage keys expansion board, nice case, 512MB memory stick, and some replacement knobs. Sayonara Roland Juno-G!!

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This item is fully tested and in great working condition.  Beware buying these used.  It is a common problem that the original display of the Juno-G malfunctions and needs to be replaced with the new Roland factory display that requires the 2.01 firmware upgrade.  If you search around online you will see how common the original display goes out.  I just replaced the original display because it was scrolling in different quadrants and characters were starting to be scrambled.  I replaced it with a new Roland Factory Display and Updated the firmware to 2.01 (necessary for the new display to work).   The new display looks and functions great.  The contrast is super clean and there are no more problems.  It looks great!

This item is fully tested and in great working condition.All the buttons, knobs, keys and jacks are working.  It has some minor scratches and a very little scuff by the pitch bender.  The “Juno” and “Roland” writing on the rear of the unit has some very minor scratches. There is a very little scratch on the “Rec” writing on the front of the unit.  It does not come with any expansions.

It comes with a non OEM power supply that is rated to meet its power needs.   The power supply has a shorter cord and is a little loose when connected to the back of the keyboard.  There is nothing wrong with the jack on the keyboard, it is just that the power supply jack doesn’t fit it tightly.  It would work for a studio but in a live situation you might want to separately purchase a Roland PSB-1U orPSB-120(not included).

Great SoundsRoland’s Fantom-X series is a grand-slam hit around the globe. The Fantom’s high-quality sound engine is a key factor in its success. The JUNO-G shares the same processor as the Fantom-X, and thus delivers the finest sound quality on the market — including an 88-note multisampled grand piano, and a wide range of sounds that span from classical to cutting-edge. You can further expand your JUNO-G with one of Roland’s SRX expansion boards (expansion boards not included).Audio/MIDI Recorder OnboardFor songwriters and performers, the JUNO-G’s 16-part MIDI sequencer is a must. But the addition of four companion stereo audio tracks is a huge bonus, and an unexpected surprise for an instrument in this price range! Now players can lay down the perfect backing tracks plus vocals, live guitar parts, and the like. The JUNO-G’s dedicated front-panel transport controls and mixer make the recording experience all the more friendly.Inviting InterfaceFor an instrument packed with so many features, the JUNO-G offers unprecedented ease of use. The aforementioned mixer and transport controls are only part of the friendly “hands-on” work surface. It has clearly labeled buttons, six knobs to modify sounds, five sliders for the audio section, a data wheel, a D Beam, and a pitch/mod lever. In the center of it all is the largest backlit LCD of any synth in this price range.Computer FriendlyThe beauty of the JUNO-G is that it can be used to by itself create complete songs from start to finish, but for those who want to take it one step further and incorporate a computer into the setup, the JUNO-G can be linked to a PC or Mac via its USB port. All MIDI communications can be handled over USB, which can also be used to send and receive WAV/AIF files and patch data.

can store some files in day & night channel, and choose your favorite programs by using the buttons. Configurations: Excellent 9inch(16:9) TFT LCD panel Support SD card Support JPEG,MPEG1,MPEG2,MPEG4 media format Built-in stereo speakers Color available: black, grey and beige Applications: It

. Descriptions: . The advertising player has a plastic frame and horizontal design. . 8-inch excellent TFT-LCD with high resolution, wide visual angle, and rich color. . Supports F card. . Supports AVI format. . It has 10 buttons, each button corresponds to one advertisement program that

1. Product Overview 1.1 Model No.: S-24W-12V 1.2 Appearance Dimension: 93mm*43mm*27mm 1.3 G.W.:350g 1.4 Canning Material:Plastic 2. Environmental Conditions 2.1 Operating Temperature: -10°C~+50°C, 20%~95%RH(without condensation) 2.2 Storage Temperature: -20°C~+85°C, 20%~95%RH

Characteristics: - Transparent, high strength. - Ten seconds to fix the position and 40 seconds to solidify under the UV lamp, high-pressure mercury lamp and sunlight. 0.4oz (100g)/bottle. Applications: Used for glass furniture, glass craft, crystal products, electronic industry, optics equipment. Using method: - Clean surface to remove grease. - Coat surface with UV glue. - Stick the surfaces and place under the UV lamp for appropriate time. Warning: - Avoid contact with eyes and skin, do not inhale.. - If product gets into `your` eyes rinse with water thoroughly and consult with your doctor. - If product gets in contact with your skin rinse with water - Keep in a dark and dry place under 25°C.

Description: This advertising player has 7-inch TFT screen for Ad. propaganda. You can display any image you like and show the advertisement video in taxi. 2-minute function means the AD. player will turn on automatically when the sensor detects motion and when no motion is detected for 2 minutes

Description: This advertising player without motion sensor is a kind of mediuma for advertising propaganda with 7-inch screen. You can display any image you like and show the advertisement you want in a taxi. You should press buttons to control power on/off, turn last program and next program

in taxi and its fixing way is headrest. Features: . This advertising player with plastic frame has 7-inch excellent TFT-LCD with high resolution, wide visual angle and rich color. . It supports SD card and formats, such as JPEG, MPEG1, MPEG2, MPEG3, MPEG4, MP3 format. . The advertisement player can

in taxi and its fixing way is headrest. Features: . This advertising player with plastic frame has 9-inch excellent TFT-LCD with high resolution, wide visual angle and rich color. . It supports SD card and formats, such as JPEG, MPEG1, MPEG2, MPEG3, MPEG4, MP3 format. . The advertisement player

Description: This kind of AD. player has no motion sensor function. You can switch on/off when press OFF button. Applications: It"s used in taxi and its fixing way is headrest Features: . This advertising player with plastic frame has 9-inch excellent TFT-LCD with high resolution, wide visual

Description: This advertising player has no motion sensor function. You can switch on/off when pressing a button. Applications: It"s used in taxis and fixed in headrests. Features: . This advertising player with plastic frame has 7-inch excellent TFT-LCD with high resolution, wide visual angle and

. Features: . This advertising player with ABS frame has 9-inch excellent TFT-LCD with high resolution, wide visual angle and rich color. It"s a kind of effective advertising media device used in taxi. . It supports SD card and formats, such as JPEG, MPEG1, MPEG2, MPEG3, MPEG4, MP3 format. . The

. Features: . This advertising player with ABS frame has 7-inch excellent TFT-LCD with high resolution, wide visual angle and rich color. . It"s an effective advertising media device used in taxis. . It supports SD card and formats, such as JPEG, MPEG1, MPEG2, MPEG3, MPEG4, and

Feature: • Arched hook knife for easy holding. • Plastic handle and steel blade made in Japan. • Blade setter with auto-lock function to ensure safe. • The blade can be retracted into the holder after use. • Safety lock system achieves, more safe application and low fatigue in use. • Hook shaped cutting blade is designed to scrape plastic surfaces to reach enough depth to snap apart. • Blade made from high quality tool steel for higher abrasion resistance and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. Firstly, cut the acrlic board with the hook craft knife and there is a straight scratch line on the board. Secondly, along the scratch line to break off the board. If the board is a large one, cut the board make the scratch line along the table line, and then press the board by one hand along the scratch line to break it off. Notes: The hook knife is also applicable for cutting PS board and PVC board. The arched acrylic board hook knife is mostly used for cutting acrylic, plexiglass or plastic materials, such as acrylic board, PVC board, Plastic board. However, the simple design makes it easy for personal DIY projects as well. Package:

reasonable structure is good for long life-span. Features: • New hot air banner welder with motor set outside. • Enough hot air generated from the motor. • Reasonable machinery structure for long life-span. • Adopt advanced welding technology and high-precision

Our eco-solvent matte cotton canvas is based on the cotton cloth, using solvent coated , rolling up tightly. Have perfect color after printed. It can be used by solvent&eco-slovent inkjet printer. Compatible with solvent and eco-solvent ink, it is usually used in the photographs, display, outdoor advertisment, framing ,signs and other printing business line. Ink Applicable: Solvent, Eco-solvent, UV, Latex.

Our eco-solvent matte cotton canvas is based on the cotton cloth, using solvent coated , rolling up tightly. Have perfect color after printed. It can be used by solvent&eco-slovent inkjet printer. Compatible with solvent and eco-solvent ink, it is usually used in the photographs, display, outdoor advertisment, framing ,signs and other printing business line. Ink Applicable: Solvent, Eco-solvent, UV, Latex.

Our eco-solvent matte cotton canvas is based on the cotton cloth, using solvent coated , rolling up tightly. Have perfect color after printed. It can be used by solvent&eco-slovent inkjet printer. Compatible with solvent and eco-solvent ink, it is usually used in the photographs, display, outdoor advertisment, framing ,signs and other printing business line. Ink Applicable: Solvent, Eco-solvent, UV, Latex.

Our eco-solvent matte cotton canvas is based on the cotton cloth, using solvent coated , rolling up tightly. Have perfect color after printed. It can be used by solvent&eco-slovent inkjet printer. Compatible with solvent and eco-solvent ink, it is usually used in the photographs, display, outdoor advertisment, framing ,signs and other printing business line. Ink Applicable: Solvent, Eco-solvent, UV, Latex.

Eco-Solvent Matte Polyester Canvas (WYYE2NZ): 600D x 300D, 100% pure polyester fabric, weight is about 240g / SQM. printed by eco solvent inks, recommend to out door using, high precision, good water proof and UV protective, strong tear resistant, coated by needle plate type coating machine. Ink Applicable: Solvent, Eco-solvent, UV, Latex. Excellent crack Resistant when stretched Can be Laqured or Varnished Quality Report:

Our eco-solvent matte cotton canvas is based on the cotton cloth, using solvent coated , rolling up tightly. Have perfect color after printed. It can be used by solvent&eco-slovent inkjet printer. Compatible with solvent and eco-solvent ink, it is usually used in the photographs, display, outdoor advertisment, framing ,signs and other printing business line. Ink Applicable: Solvent, Eco-solvent, UV, Latex.

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Roland’s Fantom-X series is a grand-slam hit around the globe. The Fantom’s high-quality sound engine is a key factor in its success. The JUNO-G shares the same processor as the Fantom-X, and thus delivers the finest sound quality on the market — including an 88-note multisampled grand piano, and a wide range of sounds that span from classical to cutting-edge. You can further expand your JUNO-G with one of Roland’s SRX expansion boards (optional).

For songwriters and performers, the JUNO-G’s16-part MIDI sequencer is a must. But the addition of four companion stereo audio tracks is a huge bonus, and an unexpected surprise for an instrument in this price range! Now players can lay down the perfect backing tracks plus vocals, live guitar parts, and the like. The JUNO-G’s dedicated front-panel transport controls and mixer make the recording experience all the more friendly.

For an instrument packed with so many features, the JUNO-G offers unprecedented ease of use. The aforementioned mixer and transport controls are only part of the friendly “hands-on” work surface. It has clearly labeled buttons, six knobs to modify sounds, five sliders for the audio section, a data wheel, a D Beam, and a pitch/mod lever. In the center of it all is the largest backlit LCD of any synth in this price range.

The beauty of the JUNO-G is that it can be used to by itself create complete songs from start to finish, but for those who want to take it one step further and incorporate a computer into the setup, the JUNO-G can be linked to a PC or Mac via its USB port. All MIDI communications can be handled over USB, which can also be used to send and receive WAV/AIF files and patch data. As an extra computer-related bonus, Roland ships every new JUNO-G with a copy of Cakewalk’s SONAR LE software for PC.

The sound engine on the Juno-G is simply top notch. One would expect more of the typical pinky, vacuous sounds found on lower end keyboards when purchasing something in the Juno-G"s price range, however this is not the case.

The Wurly"s, Rhodes, Hammonds are fantastic for playing classic rock covers, Texas Blues and the ability to modify these sounds to specific needs is awesome. If there is a downside, it"s that there are SO many sounds that it will take you two weeks to get to know them (but it"s fun getting there).

One note: The classic mini-moog is not quite there in the presets and needs some tweaking. Once you get the hang of it, the synths are all there for your partaking though. Just takes some work and a good ear.