Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81352
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyKPR4110
B+ FLUCTUATES BETWEEN 135V AND 50V, REPLACED IC-8 The B+ line keeps fluctuating from 135V to 50V continuously.Found 18V line fuse F3 on (E) board open caused by a shorted audio outIC8. Also pertains to serial number 7003297.
SonyKV2680R
S/M DRAWING ERROR ON BRIDGE REC S3WB60Z, SEE S/B TVP007 The basing diagram for the bridge rectifier is wrong in themanual. This error exists in all other listings for this S3WB60Z(8-719-503-06) bridge rectifier.
SonyPVM2530
SET TRIPS GROUND CIRCUIT BREAKER When plugged in, a ground fault interrupt breaker set is instandby. It will only turn on by remote. When it turns on, breaker pops. -HQ COMMENTS: If capacitors C604, C612 are leaky, it will trip circuitbreaker in ground line. It may not show problem
SonyKV2080R
CONVERGENCE, REPLACE Q706 ON "C" BOARD Unable to converge (RED). Looking at a cross hatch, red wouldnot converge, also looked little out of focus. Blue and green were ok.Servicer had already replaced picture tube. Changed H-STAT, did not help.Changed (RED) driver transistor, resolved probl
SonyFD270
BATTERY COVER PART NUMBER The manual does not show a part number for the battery cover.
SonyKV2783R
PART NUMBER MISSING, PINCUSHION Q-553 Manual does not show a part number for the pincushion outputtransistor. Schematic calls for a 23D1134, in the set is a 2SD1406.
SonySLHF900
CHASSIS SUB ASSEMBLY A-4910-049-A (reel motor) board does not line up for mountingon chassis sub assembly, part number X-3691-643-3. Holes are off. Threeparts tried, none would fit according to technician. I tried and alsofound none would fit. -HQ COMMENTS: Refer to Serv
SonyD3
BATTERY WILL NOT TAKE CHARGE Battery will not charge and hold charge.
SonySL300
WILL NOT LOAD Will not load tape.
SonySLHF900
NO DISPLAY Unit had no display.
SonyCDP110
MAKES NOISE AND DOOR WILL NOT STAY CLOSED Unit makes noise and door will not stay closed.
SonyCCDV1
FLASHES Video flashes.
SonyKV2775R
PICTURE SHIFTED, REPLACE IF BLOCK 1-464-597-11 When TV was first turned on, picture was good. After fiveminutes, the picture had shifted.
SonyKV25XBR
VIDEO BLANKED OUT By doing a voltage analysis on the D board, I was able totrace to Q1504 - E2.4, B.4, C.12.9, Q1506, E2.4, C.2.4, B.2.4 checkedtransistors they were ok. Checked surrounding components R1537 Changedvalue.
SonySL250
CHANNELS (STATIONS) CANNOT BE TUNED IN Channel display can be seen, however, stations cannot be tunedin.


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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