Dicas Reparação




Modelo - Chassis CFD440


Pesquisa: CFD440 Enviar Dica Resolvida
Resultados 21
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCFD440
TAPE DOOR OPENS ON STOP INSTEAD OF EJECT #151 lever line breaks off under #103 lever, stop. #106slider (s) eject is therefore selected when stop is pressed.
SonyCFD440
STATIC BETWEEN TRACKS - REPLACE IC703, P/N 8-752-337-26 Static sounds can be heard between tracks using the YEDS-1disc. About 4 units out of 35 had this problem or 11%.
SonyCFD440
CD NOT OPERATIONAL - REPLACE IC-802, P/N 8-759-971-11 No power. I only repair CD mechs, and of the ones I do, about1 out of 20 has this problem.
SonyCFD440
SHUTS DOWN AFTER SEVERE SHOCK-BEND S-704 LEAF SWITCH/CD DOOR When checking CD units, we do shock tests. When shocked, theCD stops playing and shuts down, and the display shows 00. The shocktest is for checking to see if the unit comes back to the original spot ofplay after it is shocked. It is shutting down and
SonyCFD440
CD NOT FUNCTIONING - REPLACE D-701, P/N 8-719-911-19 No mechanism motion. D-701 opens, dropping 2 1/2 volts acrossit. I repaired only the CD section and of the ones I repaired about twoout of 20 have this problem.
SonyCFD440
INTERMITTENTLY READS TOC BUT NEVER TRACKS AND PLAYS This unit would intermittently read TOC but would never trackand play. In the process of troubleshooting, we found schematic errors:IC-801/pin 3 (GFS) is listed at 0V instead of 5 V. IC-703/ pin 1 (FOK) islisted at 0V instead of 5V.


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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