Synthesizer Piano Keyboard Main Circuit Boards related Problems

These are comparatively easy to fix, especially the ones that involve changing keys. But sometimes your synthesizer or piano keyboard may just refuse to switch on.

And the reason could be the Circuit Board (motherboard), or may be some other chip. Remember, that a digital keyboard, just like a computer, has a circuitboard (main-board) and chips inside.

This page allows you to share all your synthesizer/piano keyboard's main board, motherboard, circuit boards related issues.

You can also scroll down to the bottom of the page to read the already submitted problems, repair and solutions.

Synthesizer Piano Keyboard Circuit Boards Problem / Repair

Having trouble with the circuit board, motherboard or any chip in your synthesizer/piano keyboard? Write about it here so that others can understand the problem and suggest possible solutions.

Got it repaired somewhere? Please write about it here for the benefit of other visitors.

Your Favorite Synthesizer/Piano Keyboard Motherboard Repair & Solutions

Click on the link below to read and rate the most common synthesizer/piano keyboard circuit boards related problems & repair solutions. These were posted by visitors to this page.

Fatar SL 990 Needs Electronic Card Replacement
My fatar SL 990 needs electronic card replacement. It has many dead Keys.

There are two electronic cards beneath the keys that contain the contacts....

Roland Digital Piano - Damaged Circuit Board, Main Board Mother-Board, Chip
My Roland HP 2900 G piano does not work – I think it is main board problem.

I need to buy this main board for Roland HP 2900 g

- transportgeneral@...

Casio PX-320 lights up display but nothing else works at all
I have a Casio PX-320 digital piano and one day when I switched it on nothing was working, no keys no buttons, nothing. All there is an E on the LCD display ...

Circuit Board Problem, Faulty Motherboard on Digital Piano, Synth Keyboard
Hi I think that my Casio PL40r digital piano has a faulty motherboard.

I am looking for someone to help me fix this or search for a replacement card....

Suzuki hg500 Piano – Circuit Board Problem
Suzuki hg500 Piano – Circuit Board Problem??

My functions properly in every aspect - but no sound. I don't have a whole lot of money to spend on repairs....

Static Popping After Install of VE-JV1E Expansion Board on Roland A90 88-key MIDI Keyboard Controller
Static popping and hiss after installing VE-JV1E expansion board on my Roland A90 88-key MIDI Keyboard Controller .

I just bought a mint in the box ...

Digital Piano Keyboard - Trouble shooting contact problems with Keys and Pedals
This is for a real old Digital Piano (88 keys) Roland HP-230. Here are possible solutions for trouble shooting contact problems with Digital Piano Keys ...

Solton ms40 Music Keyboard
I'm trying to get an effect board for my Solton ms40 music keyboard.

Any suggestions?

Expansion Boards on zzounds

I want to buy a HD-AEKN5000 hardrive for a Technics KN-5000 Keyboard
I have a HD-AEKN5000 hardrive for a Technics Keyboard KN-5000 which needs repair and also I would like to buy another vintage one which "WORKS".

In ...

s81350hg component required for Casio circuitboard
s81350hg component required for Casio circuitboard!

We need the equivalent of s81350hg in a 3 terminal regulator because we don't have the s81350hg ...

Yamaha PSR 3000 61 Key Music Keyboard - Circuit board or Power problem?
Circuit board or Power problem on my Yamaha PSR 3000 61 Key Music Keyboard!

When I turn on the Yamaha psr3000, it boots up and is stable for about 15 ...

Suzuki Mini-Grande HG-425e Digital Piano - Difficulty to power up
Suzuki Mini-Grande HG-425e Digital Piano - Difficulty to power up!

Occasionally when I push the power button, I get a message "too low voltage". I ...

Technics SX-PR900 Digital Piano - Power's up, No Sound, Blue screen
Technics (Panasonic) SX-PR900 Digital Piano – Power's up, No Sound, Blue screen.

My piano does power up, but then absolutely no sound, and the screen ...

Replace Circuit Board, Effect board, Sound Board, Expansion Board on Digital Piano Keyboard, Synthesizer Workstation
Replace Circuit Board, Effect board, Sound Board, Expansion Board on Digital Piano Keyboard, Synthesizer Workstation...

Hi,

My KORG TR 76 workstation ...

Yamaha Digital Piano - Damaged Circuit Board / Chip
I purchased a Yamaha digital piano about 8 yrs ago. It was used a minimal amount...about 8 months worth of piano lessons when it started acting up.

After ...

Kohler KD-30 Digital Piano - No Power Not rated yet
I have a Kohler KD-30 digital piano that I bought secondhand. It worked perfectly when I bought it. After a few months of use, the power would cut off ...

Understanding PCB Design, Chips for Digital Piano, Music Keyboard Not rated yet
On Keypress, multiple keys sound (not a chord or layer)...

Hi guys, I have a Casio wk-3000 keyboard which is giving me some trouble, I have searched ...

Need Memory Battery Replacement on Motherboard Not rated yet
Need Memory Battery Replacement on Motherboard...

Please Help!

My Technics PX-222 piano keyboard is (almost) dead. The power light comes on but ...