Dicas Reparação




Modelo - Chassis KV20TS27


Pesquisa: KV20TS27 Enviar Dica Resolvida
Resultados 7
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(Chassis)
SintomaCausaSoluçãoPor:
SonyKV20TS27
NO POWER, REPLACED D605 TV won't come on. Relay doesn't click. -SOLUTION : 5v standby was missing. Found D605 short.
SonyKV20TS27
TV SHUTS OFF, REPLACED CRT After playing for one minute the picture displaysbright blue lines. Then it shuts down. -SOLUTION : Replace shorted CRT.
SonyKV20TS27
BLACK LINES IN PICTURE, REPLACE TUNER The unit had video with black lines overlaping.
SonyKV20TS27
NO POWER, REPLACE RY601 No power.
SonyKV20TS27
INTERMITTENT REMOTE OPERATION, REPLACED IC-501 Remote operation would stop (locked up). SCIRCS was beingseen at IC101pin 5. Vertical pulse was intermittent. Traced back toIC-501 and monitored untill failure occured. IC-501 was over heatingbecause of pin 5 (ground) was bent back and not in circuit.
SonyKV20TS27
NO SOUND, REPLACED IC101 No sound.
SonyKV20TS27
CLOCK RUNS FAST, ADD CAPACITOR Clock would gain 10 to 12 minutes per day at customer's homeand at shop. This model uses slightly different singe-transistor circuitin AC REF line than is shown in S/B TVP0087. 60Hz pulse at IC-101/37 wasclean (no noise), 5Vpp, not 50% duty cycle (abou


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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