Yamaha YPG Keyboard Screen Display Problem!

by Mike H
(PA)

Yamaha YPG Display Problem Close

Yamaha YPG Display Problem Close

I have a Yamaha YPG-625 Keyboard and I have only used it for maybe 12 hours (I unplug it when not in use) in the last 4 years I bought it(12/23/2006). Now the Screen Display only shows half (see attached pictures). How do I get this fixed or what is Yamaha's warranty?

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Mar 22, 2023
Rating
starstarstarstarstar 		Yamaha YPG Keyboard Screen Display Problem! NEW
by: Anonymous

It's unfortunate to hear that you are having an issue with the screen display on your Yamaha YPG-625 keyboard. Based on the symptoms you have described, it's possible that there may be a problem with the LCD screen or its connections.

Since your keyboard is over 15 years old, it is most likely outside of Yamaha's warranty period. However, I recommend contacting Yamaha customer support directly to confirm the warranty status and available repair options. You can find the contact information for Yamaha customer support on their website.

In terms of getting the keyboard fixed, your best option is to take it to an authorized Yamaha service center for repair. Yamaha has authorized service centers in many locations around the world, and you can find a list of these centers on their website.

Before taking your keyboard in for repair, you may also want to try a few basic troubleshooting steps. These include checking the connections between the keyboard and the screen, making sure that the screen brightness is set to an appropriate level, and checking to see if there are any firmware updates available for the keyboard.

Overall, I recommend reaching out to Yamaha customer support and/or an authorized service center for further assistance in resolving this issue with your keyboard.
Feb 18, 2023
Rating
starstarstarstar 		Yamaha PSR E473 display problem
by: Alex

I bought my keyboard on 13 - May - 2022 and at the time of purchase the letters on the screen were pretty sharp. But after few months of barely using it, the letters on the screen has faded so much that now its very difficult to read them. This has caused me a lot of problem especially while using tempo. Please tell me how to fix it or should I give it to the service Centre. It has 1 year warranty on it.
Nov 30, 2022
Rating
starstarstarstarstar 		Using heat to fix problem
by: Dave

My screen went blank on both halves. I followed the instructions kindly provided by Zerald (see Nov. 20, 2017) A big thank you to him as it completely fixed the issue. I used a PowerFist soldering station from Princess Auto (Canada) set at 150 F (the minimum setting) to reset the glue. If you run the flat blade over the flex tape cable where it attaches to the circuit board before turning on the heat, you will feel the ridges in the flex cable. After turning on the heat to the soldering tip, I repeatedly passed over the flex tape where it joins the metal and the whole part behind where it is glued to the board (about 1/4 inch). Make sure to do both pieces of flex tape cable as each one is the data supply for either side of the screen. I powered it up after each successive try and saw the screen steadily improve from no image when I started to fully functional after three applications of heat and pressure. The final result was the flex tape cable had no ridges, the glue appears to be reset, and the screen is once again fully functioning. Other than purchasing the soldering station ($30.00 CDN) there was no other costs. I own two Yamaha guitars and two Yamaha keyboards but will never buy another Yamaha product due to their companies' lack of accountability to an obvious product flaw. I was quoted about $300.00 to have their local service company replace the screen! Appears it doesn't need to be replaced.
Dec 07, 2021
Rating
starstarstarstarstar 		Yamaha Display fix with simple hair dryer
by: Joe S.

Read all the similar problems below including this "Instructable" https://www.instructables.com/YAMAHA-DGX-620-LCD-Fix-With-NO-Cost/
about reheating the cable to get the contacts to re-establish. It mentions an air soldering gun/station that would get the cable hot enough(170F) to re-melt the glue on the cable.
What I did was undo all the necessary screws on the back to separate the control section from the keys. This gives you access to the display board and its two brown ribbon cables. pressing / rubbing them while the unit was turned on made a further mess of the screen and confirmed this was the problem.
I don't own or want to buy an air soldering gun but my wife has a hair dryer. The temperature measured in excess of 180F.
I held it close to the cable and rubbed it back and forth with a hard plastic tube for only a few seconds. Within that short time I could feel the ribbon wire ridges a little better as the glue re-melted. Figured I was done. I did both cables; let it cool for a few minutes and plugged it in. Perfect!
Now the instructable said the first time he did it he only heated to 140 and had to re-do it a few months later. My fingers are crossed that I won't have to.
Good luck to all frustrated Yamaha keyboard owners. This is what I did and it worked but I take no responsibility for your actions
May 22, 2021
Rating
starstarstarstarstar 		don't forget to adjust the contrast
by: JamieRI

If you're display works on both sides but is only readable at an angle, don't forget there is a contrast knob which actually adjusts the viewing angle. Try turning that knob to see how good you can get it.
May 22, 2021
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starstarstarstarstar 		Problém with LCD screen
by: Anonymous

The display is readable only from a very sharp angle. When viewed perpendicular to the display, only light can be seen. Can it be fixed or is the display interchangeable?
Jan 19, 2021
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starstarstarstarstar 		Yamaha Ypg 625
by: Anonymous

Same problem with half screen. Shame Yamaha I vote for class action legal case!!!
Apr 11, 2020
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starstarstarstarstar 		DGX display problem
by: Paulo de Tarso

I had similar problem with my DGX620. In my case the display sometimes got blue and sometimes worked fine. The cause was a bad contact of the display flat cable.
I opened the DGX620 and then I cut a small piece of plastic film (35mm negative) with exactly the same width of the flat, disconnect the flat cable and then reconnected it using the film on the other side (non contact side) to increase the pressure and guarantee a good contact. No more problems from nov-2012 till now.
Today I had a new problem. The backlight stop working
Oct 30, 2019
Rating
starstarstarstarstar 		YPG screen does not Display
by: Baryon Octet 9

Yamaha YPG 525
the screen partially completely does =not displayed menu.
SOLUTION);.. turn machine off INTERMITTENTLY 30 min on .... place a Makeba quartz crystal on the screen( with 4 small magnets on to top) on the portion of the screen that is blank;...in the middle of the screen if totally blank...leave on on overnight...repeat and vary. ..{ USE YOUr imagination)>... turning the machine on and off to check results..stop placing crystal when screen activates

Always
Baryon Octet 9
Musician and Artist
Facebook log on Baryon Octet 9
Oct 28, 2019
Rating
starstarstarstarstar 		psr 78
by: wilson

hi! i nedd display for yamaha key board psr 78 or psr190 .help me
tanks
Oct 27, 2019
Rating
star 		Yamaha piano 525
by: Mark

It is the worst piano ever owned in my professional musical carrier
Several times piano quit during performances , complain to dealer and present time screen don't work
No more Junk from Yamaha
Do not buyYamaha boycott this company
Many people have those issues and Yamaha ignored
Jun 04, 2019
Rating
starstarstarstarstar 		Yamaha YPG-625
by: Anonymous

I just found this page but I've had the same issue with mine for a few years. I'd love to know a solution. The keyboard plays but the screen is a mess. Half of it works. The other half does not.
Oct 01, 2018
Rating
starstarstarstarstar 		Yamaha YPG-625 Half Screen Issue
by: Anonymous

Try plugging it into a number of different electrical outlets in your home to see if it solves the problem.
Sep 30, 2018
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starstarstarstarstar 		Yamaha YPG-625 Half Screen Issue
by: Anonymous

It happened to my YPG-625 too. One day after turning it on I got half a screen. The problem was resolved by turning the keyboard off then turning the contrast knob all the way up (located on the front input panel). Then turning the keyboard back on and re-adjusting the contrast level. That got it back to display the full screen.
Jul 16, 2018
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starstarstarstarstar 		yamaha display
by: wilson

Hello! Anyone have a yamaha psr78 display?
wilson
eletronwilson@bol.com.br
Jul 15, 2018
Rating
starstarstarstarstar 		Yamaha yoga screens
by: Sk

With all the money we have spent on this screen issue upgrade-625– it is time for class action, complain to our government, perhaps attorney.....
Jun 22, 2018
Rating
starstarstarstarstar 		ypg635 sound probelm
by: Anonymous

Hi, I have a big problem with my Yamaha ypg-635. I bought it in 2009 and I have not had any problems, now 2017 - 2018, when I return to my school and I tried to turn it on I can see that the control screen turns on completely but when I want to play the keys, I do not get any sound at all , I raise the volume and there is no sound. I tried with the headphones or with an amplifier and there is no sound either, but very soft in the background you hear a faint buzz soud.
What can I do.
Mar 31, 2018
Rating
starstarstarstarstar 		DGX620 display problem.
by: Anonymous

I have exactly the same problem as described by others with my Yamaha DGX620. The right half of the display screen was blank.
The first time this happened, by using the screen contrast button, I managed to resurrect the full screen.
Was all working fine until I had to leave it switched off for a couple of weeks. After this break, the half screen "feature" returned.

However, this time that particular remedy didnt work. Nothing was working and I was about to give up.

What, however, has caused the full screen to burst into life was to simply press the "Tempo" button.
No idea why, but this has caused the right hand half of the screen to burst to life.
It's clearly temperamental and the problem will no doubt return but at least it's working again - for now.
Feb 24, 2018
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starstarstarstarstar 		yamaha psr78~190
by: muzitano

hi! i nedd display for yamaha key board psr 78 or psr190 .help me
tanks
Dec 01, 2017
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starstarstarstarstar 		Thanks for the tip
by: Anonymous

I found the contrast dial, gave it a turn and, voila!, the screen appeared like it is supposed to. Thanks for posting, all you trouble-shooters
Nov 20, 2017
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starstarstarstarstar 		And I've fixed it w/o LCD replacement.
by: Zerald

Hi All,
I have got similar issue (half/stripped LCD) – it happened after my little son knocked hard on the LCD screen.

And I've fixed it w/o LCD replacement.

The problem is in poor contact in-between LCD’s PCB and flex cables that comes to the LCD panel(two cables). It seems that Yamaha(or who manufactured this LCD assy – I do not know) uses some kind of anisotropic conductive film(instead of solder or connector) to connect those two flex cables to the PCB.
This film may ‘delaminate’ in case of hard knocks(actually not too hard, typical datasheets say ‘~0.5kg/cm2 pressure is enough’).
How to recover:
I’ve used Hakko T12-D4 soldering tip (flat and thin but not sharp).
I’ve set 140 0C soldering tip temperature.
Then I just pressed (press hard but no too hard, film’s datasheet says ~18kg/cm2) and held for ~10 seconds by warm soldering tip on the flex’s pins over the places where they are glued to the PCB. The T12-D4 is wide enough to ‘re-glue’ 4..5 pins at one iteration, so, total process took 2…3 minutes (and 30…40 minutes to disassemble/assemble keyboard).
Aug 28, 2017
Rating
starstarstarstar 		Yamaha LCD psr s500 and psr3000 problem
by: Danny Fehrenbach

S500 same problem with the lcd.
I have allso a psr3000 and in the pas I had to replace the lcd.

my S500 problems with lcd.
You can find a replace @ aliexpres but it is,

Yamaha give's no service @ all.
They send all users to the woods.

Ridiculous that so many yamaha keyboards have problems with lcd.
I would be ashamed ''yamaha japan ''

Give those people the part for a small price.
You made the shit,,not the customer.

Aug 28, 2017
Rating
starstarstarstar 		Yamaha LCD psr s500 and psr3000 problem
by: Danny Fehrenbach

S500 same problem with the lcd.
I have allso a psr3000 and in the pas I had to replace the lcd.

my S500 problems with lcd.
You can find a replace @ aliexpres but it is,

Yamaha give's no service @ all.
They send all users to the woods.

Ridiculous that so many yamaha keyboards have problems with lcd.
I would be ashamed ''yamaha japan ''

Give those people the part for a small price.
You made the shit,,not the customer.

Jun 18, 2017
Rating
starstarstarstarstar 		PSR-S550 display failure
by: Anonymous

My display worked fine, then lines appeared on the display. After 30 seconds, only the lines appeared on the display. I played with the contrast knob, but that didn't help.

This is the second Yamaha Keyboard I have owned which developed the same problem.

No more Yamaha for me !! Shame on Yamaha...
May 23, 2017
Rating
starstarstarstarstar 		Cheep Replacment
by: Anonymous

The contact point from the attached electronics on the glass support is defective. A repearatur is not possible. The glass is multi-layered. I suspect the defect in the glass carrier in it.

A cheap replacement might be almost a more qualitative product.

That is why I have the replacement of a foreign product.

Worse that such a display ex works no longer holds. Very bad.

My Repair Manual in German

https://goo.gl/3hqxRP
May 11, 2017
Rating
starstarstarstar 		Completely broken screen.
by: Daniel

I have a Ypg-535 and seem to be having the same issue as everyone, but instead my screen is completely gone. I have only used the keyboard a total of about 8 hours in the past year, due to being busy with school work, and am wondering if this issue is possibly caused by underusage. I am wondering if there is any solution to this problem without having to buy a completely new keyboard.
Jan 08, 2017
Rating
starstarstarstarstar 		Yamaha YPG 625 2006or2007
by: Christopher Tiwari

Screen has been malfunctioning for years. Used to be just half gone. Now it's fully gone. I've checked the contrast. My main question is will a 25$ 320 x 240 dots LCD display (backlit) not from yamaha work or do I have have to get the 113$ or more replacement screen specifically for yamaha? ctiwari2@ yahoo.com 812-361-8798
Dec 17, 2016
Rating
starstarstarstarstar 		DGX 620 screen display
by: Anonymous

Hi there,
I tried repairing the screen display on my DGX 620, but no luck there...so I'm thinking of buying a new screen...
I'm wondering where I can get one from?
Thanks RC
Jul 08, 2016
Rating
starstarstarstarstar 		Yamaha half screen issue
by: Anonymous

I am having a similar problem that seems to be epidemic, when adjusting the contract control the fixed half goes bad and the bad part goes good! There are replacement screens on aliexpress but man given the amount of people out there with this problem Yamaha should be held accountable.. very disappointing.
Apr 19, 2016
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starstarstarstarstar 		Thank you!
by: David Brown

Thank you for suggesting to check the contrast! I totally forgot about that adjustment. The display looks great now.
Jan 09, 2016
Rating
starstarstarstarstar 		Attempted repair
by: FixthingsDan

I have the same problem. However, I'm a total cheap skate and don't want to part with $150 to buy a new screen. So, instead I attemtped to take the DGX620/YPG625 keyboard apart hoping I could get the display working without buying a new part.

Once I got the keyboard apart I pulled the screen out and plugged it back into the main board except now I had the screen facing me while the keyboard was open. Once the screen was facing me I plugged in the AC power. This way I was able to play around with the cables while seeing if the display problem got any better.

Diagnosis (in my opinion): I believe the end of the display cable is the problem and not the double crimped portion of the ribbon.

Results: I managed to find a sweet spot where the cable would recieve a good signal and the display problem disappeared completely. However, once all put back together and after playing the keys for a few minutes the display problem came back. Clearly a new LCD should not be necessary and I will attempt to take apart my keyboard again this time cleaning all display connections as well as the end of the display cable.

Over 100 screws to take this thing apart and an hour time to toy with it and put it back together. I hope this helps anyone else looking to repair without purchasing new parts. I will post again with the results of my second attempt, however, I may not try again for a few days.
Dec 11, 2015
Rating
starstarstarstarstar 		psr s 650 display issue
by: Anonymous

also i have a same problem with my key boards. display issue.it not working some time and single side working only...

many yamaha key boards have this issue very early after.so please give me a solution for this issue.also i like to propose to yamaha corporation if you can include vedio out jack for every arranger key boards its very helpfull.

actually i have fed up with yamaha key boards many times..

thank you.
pradeep atthanayaka
sri lanak
Oct 26, 2015
Rating
starstarstarstarstar 		ypg 625 ribbon cable
by: gswinney1@yahoo.com

i have a yamaha 625 ypg keyboard i opened it up to find that there is something on the contacts of the ribbon cable thats making the contacts not work because i test the cable with a multimeter and for some reason the contacts go bad !but can any body help me get a new ribbon cable my lcd screen works i just need to replace a cable .the one with the black flat peace on it! it seems to be the problem ! my name is greg swinney i can be reached at gswinney1@ yahoo.com thanks!!!!
Sep 07, 2015
Rating
starstarstarstarstar 		Display
by: Anonymous

Rating for this piano is very high? Why.
Display should not malfunction - this is "main" info center for user. I'm a professional pianist and......... after 4 years display want half and half blank or gone.
This should be cover by Yamaha company, poor design and poor quality. 3 years ago - during performance - piano quit. After few hrs, piano works fine. After 4 months this same problem. Purchased new transformer, but didn't help.
Now - problem with display screen.
I own Kurzweil 152 grand piano over 18 years - no single problem. Perfect made piano.
In me personal opinion - NO MORE YAMAHA.
Poor, unreliable piano.
Mark Lejzorowicz
Jul 02, 2015
Rating
starstarstarstarstar 		I have the display issue too
by: J Emery

Just noticed it last night. I'll work the fix but will probably heavily de-weight Yamaha for my next keyboard purchase given how common this issue is.
Jan 22, 2015
Rating
starstarstar 		YPG-625 screen
by: BobT

I have this same problem as many others with my YPG screen going half blank! This is totally unacceptable. I've had my Roland D-5 for 40+ years and the screen is still the same as it was when it was purchased. Yamaha should really do something about this. This screen is defective, bottom line!
Dec 19, 2014
Rating
starstarstarstarstar 		Works!
by: Anonymous

Exact same problem! Just fixed it tonight with a new lcd. Attempted to clean all the connectors first with contact cleaner and q tips. No better. Should have tried replacing the horribly double-crimped ribbon cable, but didn't want to go out again and have a show I need this for, so I just threw in the new LCD screen. 100 bucks and two weeks to ship but it works.

Two solders was easy with two people and patience on a floor and I have never really soldered anything this precise (using a fine-tip solder no less).

Make sure not to rip any of the wires and do it with another person if you are worried; it will be fine.
Nov 20, 2014
Rating
starstarstarstarstar 		Yamaha DGX-620 tarnish on ribbon cable!
by: Dan

Yes, I agree JamieRI! I'm absolutely shore about this problem, and first just try to cleaning the contacts! My Yamaha DGX620 had the same problem but cleaning all contacts I fix it, and now the display is full, optimal working. :)
Oct 31, 2014
Rating
starstarstarstarstar 		Display problem may be contrast knob or tarnish on ribbon cable
by: JamieRI

Before purchasing a replacement LCD, try a couple of things first:

1) Adjust the contrast knob on the back to see if you can make the image usable.

2) Clean flex tail contacts: If it has vertical streaks or half is blank, the LCD display is quite possibly good but contacts on the flex tail fingers are tarnished, producing poor contact at the connector. (I have not done this yet, so leave comments on your success)

a) watch the youtube video and disassemble the unit
b) unplug the LCD flextail from the mainboard, scrub the shiny contacts on the end of the tail with a pencil eraser.
c) wipe all eraser particles off
d) re-insert and test
Note: a second flex tail runs between the LCD controller board and the LCD glass. This must also be clean.

Yamaha chose to use solder plate on their connectors over gold plate, and this tarnishes over time.

If cleaning both contacts fail to fix it, then order a replacement LCD.
Aug 04, 2014
Rating
starstarstarstarstar 		Very disappointed
by: whelehan k

I enjoyed my Yamaha piano but will never buy another one or recomend. The LCD screen only shows half screen. This seems to be a common problem. Very disappointed.
Jun 15, 2014
Rating
starstarstarstarstar 		Agree with June 11, 2014 - From original author of this solution
by: Mike H

Anonymous posted:
----------------
"However, I did find, when removing the old part, that the LCD main ribbon cable was folded (crimped) twice by the manufacturer to better align the wire with it's connector on the main circuit board. I was told, in my training, never to crimp these wires.

When replacing with the new part, I was able to install and connect the wire with no crimp. It just did a nice modius strip kind of curve."
----------------
That is also exactly what I did and 4 years later the LCD has not had this issue again.
Jun 11, 2014
Rating
starstarstarstarstar 		finally!!
by: Anonymous

I had posted this to another Yamaha forum, but thought it most appropriate here.

I had this same problem, which was only solved by replacing the LCD screen (ordered from www.partsimple.com part #Yamaha WU967500).

There's a youtube video out there that really helps with the installation of the new part.
https://www.youtube.com/watch?v=WZBqezQAp2M

However, I did find, when removing the old part, that the LCD main ribbon cable was folded (crimped) twice by the manufacturer to better align the wire with it's connector on the main circuit board. I was told, in my training, never to crimp these wires.

When replacing with the new part, I was able to install and connect the wire with no crimp. It just did a nice modius strip kind of curve.
May 05, 2014
Rating
starstarstarstarstar 		LCD
by: Anonymous

Hi,I own a ypg 625/ dgx 620. Contact me you need help. I can help you dis- and reassmemble your keyboards.

unelteed@hotmail.com
May 05, 2014
Rating
starstarstarstarstar 		LCD
by: Anonymous

HI, thunmbs up guys... I have the same problem with my lcd. Does anyone perhaps know where i could buy a new LCD in Germany.

Mar 12, 2014
Rating
starstarstarstarstar 		display problem
by: Anonymous

Hi
I had purchased a Yamaha PSR I455 and it also has the display problem even after one month. I think the quality of the product is very low due to China manufacturing. Also they charge more on Indian customers. If you compare the same version in USA costs only 18K instead of 25.5K here in India.
Feb 21, 2014
Rating
starstarstarstarstar 		mine too
by: Anonymous

This happened to mine too! This should be a recall and they should send us free screens.
Jan 03, 2014
Rating
starstarstarstarstar 		I have same problem
by: AGS

Thanks for including the image... it's exactly what my screen looks like after 2 years and many hours of play.

And thanks for including the fix so I know what's involved (and that I don't want to attempt it).

I'm glad I made an exception to my normal policy of not purchasing optional warranties. With 4-year coverage I can take it to Best Buy and THEY can take off the 100+ screws.
Jun 09, 2013
Rating
starstarstarstarstar 		Same problem with mine
by: Kelly

I am so glad I came upon this site and saw the picture. It is the same problem that I am having right now with mine. I will not take it apart myself over the fear of it breaking the piano and the folk's around here in my neck of the woods are not so helpful in fixing it for me. I was told to, "Get rid of it and buy a newer one." Yeah, I really wish money grew on tree's too." So the story with mine as possible causes are: Has been moved around a bit, never dropped. Played everyday and in OHIO. Weather such as heat/cold could be a issue to any electronic device. So would Yamaha send a tech to my house for free to fix it or is this something that's going to cost me?
Mar 13, 2012
Rating
starstarstarstarstar 		DISPLAY PROBLEM
by: Anonymous

I Want PSR 3000 Keyboard new display and how many cost.
Dec 28, 2010
Rating
starstarstarstarstar 		I fixed this now by Replacing the LCD
by: Mike H

I have a YPG-625. I suggest calling an authorized dealer is seeing how much they will charge you to replace you malfunctioning LCD with a new one. They get a bigger discount from Yamaha and it may actually be cheaper. If you want to do it yourself follow the below understanding I am not a qualified service tech just a do-it-yourselfer. There are a total of 114 screws (you will want to power screw driver fully charged) and 2 solder connections (you will need a soldering Iron and solder).

ALSO:

- DO NOT open the case unless you are aware of and comfortable with the fact that you could destroy your piano. You will need to solder 2 small connections (if you don't know how to solder go to youtube).

- Observe appropriate anti-static precautions. It should go without saying that this is an electronic repair, and dangerous voltages may exist inside the case.

Steps to Replace the LCD:

1. I ordered a new LCD from Yamaha. $169 + 25%discount if you call and ask + shipping.

2. Remove from the stand if you have one (4 screws).
3. Lay the keyboard upside down on it's face (put on cloth or towel so no scratches).
4. Remove ALL 102 screws from the bottom of the chassis, including the 14 inside the speaker compartments
5. Carefully lift up on the bottom part of the case just enough to remove the speaker wire connector so you can completely remove the bottom case. Take care not to damage the speaker lines
6. LCD is mounted beneath main logic board.
7. Remove ALL the ribbon cables (notice how they are oriented and where they go, you will need to replace these latter) except the main one (top right corner since flipped on face and you are looking from the Top of the piano).
8. Remove the 4 screws from the main board.
9. Carefully lay the motherboard over to the right.
10. Remove the 4 screws to the LCD.
11. Remove the Soldered power wires from the LCD. To do this, look at the connector on the board were this wire connects. The top part of this plastice white connector lifts up slightly (don't pull to hard) then you can easily pull the wire out).
12. Unsolder this wire from the old LCD. Make sure you notice which wire is + and which is connected to -.
13. Solder this wire onto the NEW LCD. Make sure you connect the correct wire to + and the other to -. (See YouTube to solder correctly if you don't know)
14. Plug the new LCD power wires back into the white power connector on the board.
15. Replace 4 LCD Screws.
16. Replace Motherboard and all ribbon cables.
17. Replace 4 motherboard screws.
18. Replace speaker wire connection
19. Replace all 102 screws
20. Replace 4 screws on stand.

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