Dicas Reparação




Modelo - Chassis CFD460


Pesquisa: CFD460 Enviar Dica Resolvida
Resultados 13
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(Chassis)
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SonyCFD460
CASSETTE DOOR STAYS SHUT Activating arm is warped, bent, deformed to the point wherethe door won't open. The new one is bent differently but equallydefective.
SonyCFD460
VOLUME WON'T GO ALL THE WAY DOWN - REPLACE IC302 (875205245) Volume would not go all the way down even though the volumecontrol was at minimum. I suspected the cause was in RV302 (vol control). I replaced it and it did not solve the problem. Then I traced back toIC302 and found it to be defective. Replaced it
SonyCFD460
NEW CD BUTTONS DO NOT LINE UP WITH OLD SWITCHES. When ordering new front cabinet, CD keyboard switches(S804-S808) do not line up with the new buttons. This is because the newbuttons sit up higher then the old ones, so the old switches aren't beinghit by the control buttons.
SonyCFD460
CLICKING SOUND DURING CD PLAY - REPLACE IC-703(8-759-061-39) There was a clicking/ crackling noise when playing CD's.
SonyCFD460
PART NUMBER FOR BELTS The part numbers for the tape deck drive belts were switched.The long belt ordered is the short belt and vice-versa.
SonyCFD460
CD DOES NOT OPERATE - REPLACE R-326, P/N 1-212-938-00 When the CD section would be turned on with function switch,VCC for CD Main Board at CNP305/pin 6 would fluctuate between OV andnormal voltage. I found R326 to read 50 ohms instead of 1.5 ohms.
SonyCFD460
CD PLAYS INTERMITTENTLY CD would play intermittently. Q-706 junctions checked ok withan ohmeter.
SonyCFD460
IDLER ASSEMBLY WEARS OUT AFTER FOUR TO SIX MONTHS OF USE This part is highly consumed. Part is failing prematurelyeven after just a small amount of use. -HQ COMMENTS: Also applies to model CFD-750/760.Tokyo has been informed. Your samples have been sent to Tokyo forevaluation. Tokyo has evaluated the samples
SonyCFD460
CD PLAYS INTERMITTENTLY - REPLACE Q-706, P/N 8-729-119-76 CD would play intermittently. Q-706 junctions checked ok withan ohmmeter.
SonyCFD460
INTERMITTENTLY WON'T PLAY DISC Unit would not play disc. All you would hear is a clickingnoise. If you manually moved sled, it would then play disc.
SonyCFD460
WON'T READ TOC We have seen several units now where the disc spins, but willnot read TOC. There is often an audible clicking sound coming from themechanism. The problem is caused by the laser assembly binding with thechassis holder (No. 156). To verify the problem:
SonyCFD460
MOTOR MOUNT DRILLED WRONG The motor comes with just two holes drilled in the motor. Theway they are drilled they are 90 degrees off for mount to the board.
SonyCFD460
UNIT IS LOCKED UP Unit would not read TOC. Moving the connector makes the unitfunction, (technician in Burbank) found the problem.


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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