Dicas Reparação





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Resultados 81883

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyMDXU1NO AUDIO OUTPUT (FOUND Q520 AND D512 WERE DEFECTIVE) Unit plays (mechanism runs ), but has no audio output from MD,and there was no reception from the tuner.
SonyEXCD40DOES 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.
SonyEXCD1RFPART # 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.
SonyCDXU303RFPART # 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.
SonyCDX7580DOES 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.
SonyCDX7560PLL ADJUSTMENT DRIFTS (FOUND C24 & C25 LEAKING ELECTROLYTE) Unit would play fine for a few days after PLL was adjusted.Found C24 and C25 electrolytic capacitors leaking oil to the board.Schematic location I, J-10.
SonyCDX7560DOES 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.
SonyCDX7540DOES 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.
SonyCDX7520DOES 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.
SonyCDX65RFDOES NOT LOAD CD'S; MAKES NOISE (FOUND REF. 221 DAMAGED) Customer complaint: constantly will not play. Open unit tocheck, found does not take any CD into roller. #164 slide lever and 221gear made noise when trying load discs.
SonyCDX65RFPART # 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.
SonyCDX65DOES NOT LOAD CD'S; MAKES NOISE (FOUND REF. 221 DAMAGED) Customer complaint: constantly will not play. Open unit tocheck, found does not take any CD into roller. #164 slide lever and 221gear made noise when trying load discs.
SonyCDX5080DOES 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.
SonyCDX5040DOES 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.
SonyCDX45RFPART # 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.



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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