Dicas Reparação




Modelo - Chassis CDXR7


Pesquisa: CDXR7 Enviar Dica Resolvida
Resultados 82
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCDXR77
LOADS DISC BUT DOES NOT PLAY Disc was loaded but sled did not move and reference number 318(Bracket, Damper A) and 307 (Bracket, Damper D) were bent. Referencenumber 412 (Worm Gear) is broken.
SonyCDXR79
SKIPS, DISPLAY E04 AND EJECTS Unit would spin for about 20-21 minutes and then develop ahigh-pitched squeal. Sound would then start to distort, and EO4 wouldflash on display and CD would eject.
SonyCDXR77
SKIPS DISPLAY E04 AND EJECTS Unit would spin for about 20-21 minutes and then develop ahigh-pitched squeal. Sound would then start to distort, and E04 wouldflash on display and CD would eject.
SonyCDXR77
NO EJECT Disc hangs up before eject cycle is complete. Found loosegear on roller shaft.
SonyCDXR77
NO AUDIO Found connector CN-101 disconnected due to excessive pullingon external audio output cables (CNJ401).
SonyCDXR77
CD ONLY PLAYS WHEN UNIT IS TURNED UPSIDE DOWN CD only plays when unit is turned upside down.
SonyCDXR79
WILL NOT PLAY OR DISC SKIPS OR STICKS Unit came in with complaint of after accepting disc, it willnot play or disc skips or sticks after unit plays for a while. Anothersymptom is the MD base will work upside down and all adjustments look ok.
SonyCDXR79
DISPLAY PCB DISLODGED Display PCB becomes unseated from plastic clips that holdlower edge, causing no operation of several buttons on the front panel.
SonyCDXR77
MALFUNCTION OF POWER ANTENNA Car stereo service bulletin number, CAR0149 does not work.The emitter of Q-406 when installed will be connected to the emitter ofQ-419. This will destroy Q-406 when power is turned on.
SonyCDXR77
DISPLAY PCB DISLODGED Display PCB becomes unseated from plastic clips that holdlower edge causing no operation of several buttons on front panel.
SonyCDXR77
NO DISPLAY - NO AUDIO The unit comes in described as dead, or no display and noaudio. No B+ from collector of Q-409. Sometimes 1.5V is present.
SonyCDXR79
PART NUMBER IS WRONG 2-640-654-03 (GUIDE FEED) Above part number is wrong.
SonyCDXR77
FLASHING SEGMENTS IN DISPLAY Display would flash segments erratically - especially whenunit is first powered up. After powered up, display would flashintermittently with wrong segments every second or so.
SonyCDXR79
REPLACEMENT OPTICAL BLOCKS Replacement blocks coming through with pin 3 and 4 solderedtogether on 12 pin flex connector. This is just a little drop of solderwhich can easily be overlooked and cause the block not to work wheninstalled. This also is true on other models.
SonyCDXR77
REPLACEMENT OPTICAL BLOCKS Replacement blocks coming through with pin 3 and 4 solderedtogether on 12 pin flex connector. This is just a little drop of solderwhich can easily be overlooked and cause the block not to work wheninstalled. This also is true on other models.


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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