Dicas Reparação




Modelo - Chassis


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Resultados 81447
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySLV700HF
NO PICTURE When you put a tape in for playback all you see on the screnis a jail bar effect.
SonySLV700HF
NEW BAORD HF27 Q202 installed wrong. Base and Emitter reversed. 2 newboards with the same problem.
SonySLV595HF
VERY SENSITIVE PROBLEM Unit very sensitive, while unit is in the play mode, if youtap on the top or the side of the unit, it it will go into fastforward mode.
SonySLV585HF
POOR COLOR After awhile unit produced incorrect color phase.
SonyEVS7000
EATING TAPES Unit would intermittently eat tapes, found take up torque uparound 28 G.
SonyEVS550
NO OPERATION You can push tapes all the way in and make it seat but thatis all. No Operation.
SonyKV32XBR95S
LOW AUDIO LEVEL FROM TV AUDIO OUTPUTS TO SAVA3 When using the variable audio ouputs to drive the SA-VA3,the speakers would return to standby unless the volume level was increasedbeyond the customers preference. Not enough signal for vox controlcircuit in the SA-VA3 to work with. There was no probl
SonyKV27TS36
WHEN CONNECTED TO CABLE CIRCUIT BREAKER TRIPS When set is connected to the cable line the customers GroundFault circuit breaker trips. Current between the cable (unconnected) andthe Antenna terminal of the TV was 6.5ma. The breaker will trip at 5 ma. -HQ COMMENTS: The earth ground of the AC out
SonyKV27TS32
INTERMITTENT RASTER, REPLACED RY602 Customer plays for 20-30 min then raster & sound cut out. -SOLUTION Replaced intermittent RY602 relay.
SonyKV27TS29
DEAD, IC602 NO RESET Dead
SonyKV27TS27
LOSS OF AUDIO, REPLACED MM201 The unit had no audio in RF mode. Applying external audioinput, worked fine.
SonyKV20V50
INCORRECT PART NUMBER, REFER TO SB 218R1 The service manual indicated p/n 873876405 instead of873876805 for the picture tube. -HQ COMMENTS: Please refer to SB 218R1 and Service Manual Supplement -1.
SonyKV2094R
DEAD, REPLACED DAMPER DIODE F602 open, R605 broken and IC601 damaged. Approx 10ohms was measured across damper diode D513.
SonyKV2093R
INTERMITTENT SHUTDOWN, RESOLDERED R544 The unit would shut dhown at random. Loss of supply voltageto IC301 would follow.
SonyKV1961
DISTORTED AUDIO, REPLACED IC601 Sound gets distorted after 30 seconds.


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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