Dicas Reparação
Modelo - Chassis CDXC490
Pesquisa: CDXC490 Enviar Dica Resolvida
Resultados 8
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDXC490 | 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. | ||
| Sony | CDXC490 | NO HIGH OR LOW LEVEL AUDIO OUTPUT ON BOTH CD & RADIO | Unit's output IC was defective. After changing output ICthere was no high or low level audio from both CD & Radio. This was dueto the unit being tested with the MCB outside of the frame assembly.Once unit was put back together and with back plate on, no | ||
| Sony | CDXC490 | ERRATIC OPERATION FROM KEY SWITCHES, FOUND OPEN GROUND TRACE | All key switches function wrong. Examples: Select buttonwould turn unit off AM would switch FM function presets at wronglocations. | ||
| Sony | CDXC490 | 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. | ||
| Sony | CDXC490 | DISPLAY FAILURES (MISSING SEGMENTS, CRACKED LCD, ETC.) | Various display failures have been noted, such as missingsegments, cracked LCD, segments always illuminated, etc. | ||
| Sony | CDXC490 | NO AUDIO (FOUND AUDIO AMP IC304 DEFECTIVE) | No audio. Found audio amp IC304 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 off | ||
| Sony | CDXC490 | REMOVING KEYSWITCHES (USE PYRO-PEN JR. ON SETTING # 1) | The keyswitches may be difficult to remove without damagingthe PCB. | ||
| Sony | CDXC490 | 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 |