Dicas Reparação




Modelo - Chassis STRD715


Pesquisa: STRD715 Enviar Dica Resolvida
Resultados 7
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySTRD715
NO SOUND AT ALL FROM REAR CHANNEL - REPL IC621 AND Q614 IC621 had DC pin 4 output Q614 shorted. No rear channeloutput.
SonySTRD715
NOT PASSING TV SIGNAL - REPLACED IC202 Unit sometimes went off cannot turn on, found IC202defective. If the unit is on, it won't let the signal pass to the tv.
SonySTRD715
NO SOUND - REPL IC971 IC971 regulator +12v defective, causing no audio output.
SonySTRD715
NO MEMORY NO DIRECT TUNING - DISPLAY BD OUT OF FRNT PANEL The unit has no memory and nor direct tuning function. Thebuttons for memory and or direct tuning are jammed or loose. Switchesare not engaging with front panel. A visual inpection reveals that thedisplay board is not fully clipped into the front pa
SonySTRD715
POPPING IN MAIN SPEAKERS AT TURNOFF - RESOLDERED RCA JACKS Found RCA jacks had ring cracks, also in protect found outputsshorted.
SonySTRD715
NO TUNING OTHER INPUTS OK CNS251 connector to tuner PCB was unplugged.
SonySTRD715
NO AUDIO - REINSERTED LOOSE CONNECTOR WIRE TO CNP70 No Audio out to speakers. SOLUTION: The cable from mother board that goes to connector (CNP704) atspeaker terminal board is loose. I reinserted the cable, which fixedthe problem.


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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