Dicas Reparação




Modelo - Chassis XC


Pesquisa: XC Enviar Dica Resolvida
Resultados 81
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(Chassis)
SintomaCausaSoluçãoPor:
SonyMDXC150
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
SonyEXCD90
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
SonyEXCD60
TEST MODE ERROR CODES EXPLAINED (SEE CAR BULLETIN # 373) Error codes which are not explained in the service manualsometimes appear on the display when operating the unit in the test mode.
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
SonyCDXC490
REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) The keyswitches may be difficult to remove without damagingthe PCB.
SonyCDXC490
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
SonyEXCD40
DOES NOT PLAY DISCS (FOK SIGNAL VOLTAGE ONLY REACHES 1.5V) The FOK line would only rise to ~ 1.5V. Problem was caused byIC2 (Servo IC) loading it down.
SonyEXCD1RF
PART # CORRECTION: Q503 (CORRECT PART # IS 8-729-204-10) Found part # for Q503 8-729-240-10, was not in system (FIPM).Looked in semi-conductor replacement handbook and found that the # for2SD1417 is actually 8-729-204-10 (page 700 of 1992 2nd SRM). We had thepart in stock and the unit was repaired.
SonyEXCD40
DIFFERENT OPTICS FOUND IN UNIT Service manual calls for KSS168 optics but this refurbishedunit has a KSS320. Did any of these units use the KSS320? -HQ COMMENTS: We are not sure if this model was ever built with KSS320optics. However, other variations of the CMX-200 mechanisms were
SonyEXCD50
SW807-SW816 PART NUMBERS NOT IN MANUAL (P/N IS 1-554-980-31) Page 32 of service manual is missing switch part numbers. -HQ COMMENTS: The part number is 1-554-980-31, as shown in servicemanual supplement 1, which is currently being distributed to the field(10/11/94).
SonyEXCD40
SKIPPING WHEN OUTER TRACKS ARE PLAYED The customer may complain that skipping occurs when outertracks of discs are played. This may occur if the mechanism sub-chassisis bent, which makes it more difficult to maintain proper focus at theouter portions of discs.
SonyEXCD60
NO POWER (INTERMITTENT), REPLACE FLEX BOARD P/N 1-646-953-11 The unit has no power or has intermittent power. The powerwould cut in/out as the flexible board was moved.
SonyEXCD40
NO POWER (REPLACE L401, PART NUMBER 1-410-519-11) When unit is reset, mechanism will reset but display will notilluminate. Radio or Walkman will not turn on however, unit willaccept CD and mech. will play, change tracks, and eject CD. The displaywill not work in CD mode either.
SonyEXCD40
AM TUNING INTERVAL IS 9 KHZ INSTEAD OF 10 KHZ Unit would tune AM in 9 KHz steps instead of 10 KHz steps.On the bench, correct tuning occurred after pressing the reset button.The problem re-ocurred as soon as unit was installed back into the car.


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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