Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81446
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyHCDC33
NO POWER - REPLACE F911,912, RESOLD COLD SOLDER ON CN905 No power/ not completely, T/D has some power.
SonyHCDC33
CD DOESN'T PLAY - REALIGN CD MECH Cd doesn't play.
SonyHCDC33
CD DOOR WON'T OPEN - INSERTED AND SOLDERED +LEAD OF C178 CD door wouldn't open. Found C178 positive side lead not inserted thru board.
SonyHCDC33
CD STUCK IN UNIT - REALIGNED MECH CD stuck inside, won't play.
SonyHCDC33
NO FUNCTIONS ON DECK B - REPLACED 7 CORE WIRE Deck B no function don't record, play ff or rew.
SonyHCDC33
TAPE AUDIO LOW - RESOLDERD IC901 Tape A & B sound low. No sound from left speaker.
SonyCDPC445
READS DISC,BUT WON'T PLAY-SOLDER -LEAD ON SLED MOT Unit would read a disc but would not play. Found sled was not moving.
SonyCDPC245
NO AUDIO Had no audio output on either channel. Found input to line amp Ic501 only showing a small sawtooth wave in.
SonyCDPC245
INTERMITTENT/ERRATIC OPERATION - REPLACE BD BOARD Several problems recently relating to the units abilityto read and track the disc. The problems are often intermittent anderratic. in these instances the problem has been isolated to poor feedthrough connection on the Bd board. There does not seem to b
SonyXRC720
REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) The keyswitches may be difficult to remove without damagingthe PCB.
SonyXRC720
KEYSWITCHES FAIL The keyswitches fail. It is most often the SELECT key butcould be any key. Sometimes there are more than 1 bad switch on the samefaceplate. -HQ COMMENTS: The QA group in Tokyo has been notified and samples havebeen sent to them. An improved switch ha
SonyXRC620
REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) The keyswitches may be difficult to remove without damagingthe PCB.
SonyXRC620
KEYSWITCHES FAIL The keyswitches fail. It is most often the SELECT key butcould be any key. Sometimes there are more than 1 bad switch on the samefaceplate. -HQ COMMENTS: The QA group in Tokyo has been notified and samples havebeen sent to them. An improved switch ha
SonyXRC610
REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) The keyswitches may be difficult to remove without damagingthe PCB.
SonyXRC610
KEYSWITCHES FAIL The keyswitches fail. It is most often the SELECT key butcould be any key. Sometimes there are more than 1 bad switch on the samefaceplate. -HQ COMMENTS: The QA group in Tokyo has been notified and samples havebeen sent to them. An improved switch ha


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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