Yamaha Portable Keyboard with 61 Touch-Sensitive Keys and General MIDI - Page 4 - Answered Questions & Fixed issues

Mone that are user serviceable. You need to take it in for repair.

There are two. STK4152-2 and STK4192-2

Sounds like it could be a bad power supply and/or bad internal battery. Hope it helps

Need manual for P1000EX

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When you turn on your keyboard it carries out a self check to make sure all is OK, if not the start up procedure stops It could be a fault on the mainboard, the rubber switched do wear but as the light is coming on it would indicate this is working Try a master reset : whilst switched off, hold down the highest note (Top C) and whilst holding down turn on, after a few seconds if this is successful then the display will show up, this function resets to factory setup If this fails you will need to investigae board connections etc inside the keyboard Good luck

Power Supply issue. Dealer service.

MOX6 / MOX8 Owner's Manual - Yamaha

https://usa.yamaha.com > mox6mox8_en_om_b0 PDF Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s. In the case of radio or TV interference, ... 76 pages https://www.google.com/search?q=Yamaha+MOX+6%2C+no+power ..

Probbably your battery is dead replace should do the trick

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Suppliers here https://www.google.com/search?q=yamaha+model+YDP+161+piano+board ..

These are sold online at Kraft Music

Yamaha WB53080R Music Rest
Replacement Music Rest for P120, P140, P155, PF500, PF1000

You can visit this page for instructions: https://guitardongtam.com/guitar-enya-ea-x1

If everything is lighting up but no sound. Ensure nothing in headphone socket, try master reset, hold top C key while turning on. If noting improves open up and replace Capacitor C216 & C217 Quite a common fault. Hopefully this will solve the issue. https://beckettsmusic.co.uk/products/10016v

Check output via headhones - if that works try connecting outputs to amplifier i if that works. Hold down highest sounding key whilst turning on, this initiates a factory reset. If still no sound open up check speakers are connected, if still no sound then suspect the amplifier has failed.

David What is the problem you are having? I have some info on CVP85/87 which shares the same service manual. Let me know and I may be able to pass on some info.

Best advice would come from Yamaha itself. Here's the link to Customer Service- Contact Us Support Yamaha United States

It is usually caused by poor contacts between the keypad and the conductive rubber strip under the keys. The rubber strip comes as a complete part.

There is power from the power supply if the logo is on the screen, although it could be it isnt providing full current. Whilst the logo is displayed the machine carries out a number of checks to ensure it is working correctly. Once these checks are completed it moves to showing the voices etc. If it hangs it has found a fault and further investigation will be required.

Order the service manual from Yamaha.