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#2467712 - Yesterday at 07:38 AM CVP 85A - No sound - Buttons non-responsive
FLDude Online   content
Junior Member

Registered: 10/07/15
Posts: 2
My daughters piano teacher informed us our current keyboard was insufficient for her, that she needed something more like a real piano. I managed to pick up a CVP-85A on craigslist for free as it does not work. It powers on, but makes no noise. I tried the headphones, nothing. I tried the audio out, nothing. I tried to perform a factory reset by holding down B1 while powering on and it didn't seem to do anything. I also tried holding down the far right key while powering on, and it also didn't seem to do anything.
I can't check local control, as all the buttons appear non-responsive. For the same reason, I can't test other sounds, because I can't get it off of piano. There are 4 glass fuses and none have burned through.

I have a base knowledge of electronics, and do have the service manual for this piano. I am hoping someone here can give me some guidance here on next steps I can take for getting it repaired. We do not have the money for a new keyboard and this is our best hope. I'm sure I can't get a replacement board for a keyboard this old, and likely can't afford it anyway.

Thank you!

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#2467949 - Yesterday at 06:58 PM Re: CVP 85A - No sound - Buttons non-responsive [Re: FLDude]
MossySF Offline
Full Member

Registered: 04/07/14
Posts: 143
If it sends out MIDI signals, maybe a VST would be would be the easiest solution. (VST = software piano that runs on your computer so your computer would generate the piano sounds.)

Edited by MossySF (Yesterday at 06:59 PM)

#2467967 - Yesterday at 07:52 PM Re: CVP 85A - No sound - Buttons non-responsive [Re: FLDude]
MacMacMac Offline
4000 Post Club Member

Registered: 09/24/09
Posts: 4314
Loc: North Carolina
That's a 22-year-old piano. There's little chance of finding replacements for the unique electronic parts.

But ... you didn't say whether the unit powers up. Does the display light up?

#2468027 - Today at 01:10 AM Re: CVP 85A - No sound - Buttons non-responsive [Re: FLDude]
R0B Offline
1000 Post Club Member

Registered: 11/03/08
Posts: 1458
Loc: Australia
If it powers up, try re-seating all internal connectors, ribbon cables etc. and check for any blown capacitors.

Edited by R0B (Today at 01:12 AM)

#2468086 - 13 minutes 8 seconds ago Re: CVP 85A - No sound - Buttons non-responsive [Re: FLDude]
FLDude Online   content
Junior Member

Registered: 10/07/15
Posts: 2
Thank you. Yes, it does power up, at least the lights and display come on. But, all keys and buttons are non-responsive.

I'll re-seat all the connectors and check the capacitors this weekend.


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