Question about Sony DAV-C900 System

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CD PLAYER HCD RV 5 SHOWS " C 81"

EVERY TIME I SWITCH ON MY SET TO CD THE DISPLAY SHOWS C81.
REST OF THE SYSTEM ie TAPE "A&B" ,TUNER WORKS FINE.

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SOURCE: got a code c-81 then dvd player won't do anything. Help

A bizarre coincidence but our Sony DVD player DAV C700 did exactly the same when the kids were watching a DVD. All other functions on the system are still working but the DVD player wll not eject or play - and the self diagnosis function C 81 remains illuminated on the display.

Posted on Aug 08, 2008

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SOURCE: Cannot turn TV off when playing CD's with samsung HT-X810R/LG50PG

Problem traced to Samsung's Anynet+ System interacting with LG's Simplink. They seem to be
compatible. Cured by Menu/Option/Simplink/OFF. Hope this helps with anyone else having this problem. trev6.

Posted on Jan 10, 2009

walesarumi
  • 6993 Answers

SOURCE: I have a Sony HT-DDW660

Hello,
the problem has to be from the display inverter board. The display inverter board is responsible from bringing display on the screen. Now since is no longer display, then it mean it has become defective.
Get a philips screw driver, disassemble the unit in order to get to the display screen. You will see a kind of flex or wire connected to the screen. The board where the wire/flex is coming from into the screen is the display inverter board. The board is rectangular in shape.
Remove the board, take it to an electronics parts store within your vicinity for exact replacement and the unit should display again.
Keep me psoted if you need any more assistance on this issue.
Good luck.

Posted on Jul 11, 2011

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Got a code c-81 then dvd player won't do anything. Help


A bizarre coincidence but our Sony DVD player DAV C700 did exactly the same when the kids were watching a DVD. All other functions on the system are still working but the DVD player wll not eject or play - and the self diagnosis function C 81 remains illuminated on the display.

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Sony DAV-C900 Home Theater System: problems with speakers and dvd picture quality Hello all, I hope someone can help me here... The speakers have been going off and on intermittently for a while now. I have cleaned the connections, but it does no good. Sony has these stupid color coded connectors and I do not know how to go about upgrading the wires. If that is even the problem. I have switched the wires around, and when I switch one that works to a non-working connector it will not work. When I put a non-working speaker wire into one of the working connectors, it will work--it almost seems to me that it is either a problem internally, or with that specific connector that sticks out of the rear of the unit. After fooling around with them for a while, I can usually get it to work, but then it will go out for no apparent reason. Another problem has to do with the picture. It has developed these squiggly lines while watching dvd's. Sometimes they go away after a while, but it is certainly annoying. I have attempted to clean the laser with one of those dvd cleaning disc's and even replaced the s-video cable, but neither has resolved this problem. It used to have an excellent picture, even though I wasn't using component cables. Due to my TV set-up, I need to use the S-video hook-up, but like I said it has always worked well until recently... We really do not watch that many movies, so I wouldn't think the laser is going bad--hell, the kids have many more hours on their xbox than this unit has...If I had the money, I would just go out buy a new system--not an HTIB this time, but this year has not been too lucrative, so I am stuck with this for the time. Any help will be greatly appreciated. Thanks Dana

Feb 22, 2007 | Sony DAV-C900 System

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