Dicas Reparação




Modelo - Chassis CDXC590


Pesquisa: CDXC590 Enviar Dica Resolvida
Resultados 13
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCDXC590
CD DOES NOT PLAY, DISPLAY READS E-04 The LCD display of the unit reads E-04. This may be caused bythe CD making contact with the chucking arm (ref# 122). This may cause theCD not to spin and eventually displaying an error message.
SonyCDXC590
OPTICAL PICKUP/SERVO BOARD INCOMPATIBILITY (KSS-410A/313A) The unit came in for service with type KSS-313A opticalpickup, which was defective. The type shown in the service manual isKSS-410A, which was ordered from NPC and installed in the unit, but thispickup did not work in the customer's unit.
SonyCDXC590
SKIPS (FOUND DAMPER DISLODGED FROM DAMPER SHAFT) The unit skips.
SonyCDXC590
WOULD NOT READ DISCS(FOUND FOREIGN MATERIAL IN MECHANISM) The unit would not read the discs (the discs would not evenspin).
SonyCDXC590
DEAD (FOUND YELLOW WIRE POORLY SOLDERED IN HARNESS FILTER) The unit was dead.
SonyCDXC590
POOR FM RECEPTION (FOUND CRACKED SOLDER ON ANT. JACK CNJ502) The unit had poor FM reception.
SonyCDXC590
NO AUDIO (FOUND ELECTRNOC VOLUME CONTROL IC301 DEFECTIVE) The unit had no audio.
SonyCDXC590
NO TUNER FUCNTIONS (FOUND OPEN TRACE AT CATHODE END OF D310) There were no tuner functions.
SonyCDXC590
DISPLAY FAILURES (MISSING SEGMENTS, CRACKED LCD, ETC.) Various display failures have been noted, such as missingsegments, cracked LCD, segments always illuminated, etc.
SonyCDXC590
CAN'T TURN UNIT OFF WHEN NOSE PIECE REMOVED (D901 WAS BAD) Unit would not turn off when nose piece removed. Fewsegments of bar graph did not turn off. All other functions operatedcorrectly.
SonyCDXC590
NO AUDIO (FOUND AUDIO AMP IC304 DEFECTIVE) No audio. Found audio amp IC 304 defective. -HQ COMMENTS: Tokyo has analyzed samples we sent them and havedetermined that the defects are ususally caused by excessive reversevoltage being applied to the IC, probably by the power antenna relayturning of
SonyCDXC590
REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) The keyswitches may be difficult to remove without damagingthe PCB.
SonyCDXC590
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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