Dicas Reparação




Modelo - Chassis STRD590


Pesquisa: STRD590 Enviar Dica Resolvida
Resultados 12
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(Chassis)
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SonySTRD590
UNIT SHUTS DOWN IF VOL CONTROLED BY REMOTE - SHORT IN CNP801 Unit shuts down when the volume control is used by remote.
SonySTRD590
NO LEFT CHANNEL - RESOLDERED C712 Resoldered C712. One side was unsoldered.
SonySTRD590
SURROUND IN/OP, WHEN IT WORKS ITS VERY LOUD - REPL IC304 Rear channel has loud volume, with no ajustment. I found IC304defective.
SonySTRD590
NO REAR OUTPUT - REPLACED Q602, RELAY DRIVE TRANSISTOR Unit received w/complaint of no rear output.
SonySTRD590
CANNOT TURN UNIT ON/OFF WHEN WARM - IC101 DEFECTIVE When hot, power switch will not work. Sprayed IC101 withfreeze spray and it works again.
SonySTRD590
DEAD - REPLACED OUTPUT TRANSISTORS Found outputs shorted.
SonySTRD590
DEAD - T902 PRIMARY OPEN Problem was no standby 5V, found primary of standbytransformer had opened.
SonySTRD590
UNIT INOPERATIVE - Q762, Q763, F902 FAULTY Unit is inoperative upon diagnosis of unit found F902 to beblown and output transistors Q762 and Q763 were shorted.
SonySTRD590
WRONG PART NUMBER J702 HEADPHONE JACK Order part nubmer in manual and received a 27 pin socketconnector. Need part number for headphone jack.
SonySTRD590
NO REAR AUDIO - RESOLDERED IC601 No rear audio, due to cold solder of IC601.
SonySTRD590
INTERMITTENT PROTECT AT VOL SETTING ABOVE 2 - C761 FAULTY Unit would go into protect on any vol setting above 2.Checked Q718, 17, 16, 15, 14 and Q764 for being leaky all OK.Removed C761, unit stayed in protect mode.
SonySTRD590
INTERMITTENT POP IN AUDIO - FAULTY CONNECTION ON R-952 Audio would occasionally pop, display would blank and thenreturn.


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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