Dicas Reparação




Modelo - Chassis KV27TW70


Pesquisa: KV27TW70 Enviar Dica Resolvida
Resultados 9
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyKV27TW70
NO COLOR, LEAKY CAP C508 No color, pix and sound ok.
SonyKV27TW70
WEAK COLOR, ADJ RV-501 FH CONTROL Set had weak color on all channels.
SonyKV27TW70
NO SOUND OUT OF SPEAKER, RESOLDER IC-202 N OTHER CONNECTIONS No sound from right speaker, found that one of the leads onthe IC had broken. Servicer had two other units serial numbers: 7067498and 7067429 that had no audio out of right speaker. Found that vibrationhad broken the lead of the IC on this unit and had
SonyKV27TW70
DIRECT PICK UP, SEE SB TVP0101, NEW ANT COUPLER Customer complaint of ghost bars on left side of screen whenwatching local channels on cable system. RF level from nearby transmit-ting tower is high.
SonyKV27TW70
CLOCK DO NOT RUN, RESOLDER C-120 Internal clock would set, but would not run.
SonyKV27TW70
POOR PICTURE, LOW EMISSON CRT Measured low emission.
SonyKV27TW70
HIGH PITCH SOUND FROM YOKE, REPLACED YOKE SEE SB 114 Replaced singing yoke. -HQ COMMENTS: Replace yoke with new type P/N 1-451-275-41 as perService Bulletin 114.
SonyKV27TW70
VIBRATION OF CRT SHIELD WHEN DEGAUSS, REPLACE THP601 On initial turn on, the degaussing coil vibrates the CRTshield and causes it to rattle loud. Any suggestions?
SonyKV27TW70
NO RASTER, REPLACE C-574 No raster - sleep light on and audio is muted. Turning upscreens raster showed retrace and foldover at top of screen. Sprayingvertical section raster would return but retrace still visible and fold-over still present.


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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