Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySAVA3
SAVA3 NO RIGHT CHANNEL - REPLACED F902, AND IC611 Unit came in with right channel dead. F902 open and IC611was shorted.
SonyMZR2
PART NUMBER CORRECTIONS: LINE OUT JACK, MIC-PLUG IN PWR JACK The part numbers shown in the service manual for J301 and J303are reversed.
SonyHST221
AUDIO FROM TAPE AND RADIO - REPLACE LEAKY Q105 No audio from radio and tape, has audio from external source. Pin 9 of IC202 was 1.9v it should be 10.1v. Looks like pins 6, 9 10, control what source is output to the amp.
SonyHCDD560
MAIN FUSE OPENS -REPLACE F1903 WITH 4A,125V I have reports from one of my dealers that they are seeing these units coming in with main fuse open. Replacement of main fuse restores operation. This is similar to the comments made about the LBTD560 units.
SonyDXAH2750
DECK B NOT AUTO REVERSING - REPLACED HEAD ASSY Deck will not auto revers. Found head assy broken loosefrom plastic gear on the bottom of the assy was not turning which wascausing the mech to lock up.
SonyDTC59ES
EXCESSIVE BACK TENSION - REPLACED LEVER REF #379 Units coming in with excessive back tension approx. 10 - 20gcm. Thi was seen in the DTC5,7ES, 690, 790, A7 also.
SonyCDPC545
IRREGULAR DISC ROTATION - REPLACED BRACKET The disc table would not rotate smoothly during disc search.It is normal for the disc table to slow when it is checking for thepresence of a disc, this unit would sputter unevenly and sometimes stop.Replacing the table motor, gear (ref 56) did not solve
SonyCDPC545
DISC TABLE WON'T ROTATE SMOOTHLY DURING DISC SEARCH Disc Table won't rotate smoothly during disc search. While i is normal for the disc table to slow when unit is checking to see is a disc is present, this one would sputter and jerk or sometimes even stops.
SonyCDPC545
NO SOLDER CONNECTION ON IC301 - SOLDERED CONNECTION No sound output.
SonyCDPC445
TRAY WON'T STOP ON RIGHT DISK - REPLACED TABLE MOTOR Tray won't stop on right disk or may heitate to run.
SonyCDPC345
WHISTLING NOISE - ADD RTV BTWN SPINDLE MOTOR & BD BOARD a whistling noise (about 400HZ) manifists itself on certain cuts of disc (Goodbye Yellow Brick Road, Elton John, Polydor D103076). If you touch the optical block lightly, the noise disappears.
SonyCDPC265
JAMMED DRAWER - REPLACED MISSING SCREW AND BROKEN LOCK LEVER Unit came in with drawer jammed found bu assembly loose inunit and lock lever broken. Found screw that holds the bu down was neverput in the unit.
SonyCDPC265
NO PLAY - STAPLE STUCK TO CHUCKING MAGNET Unit would not play due to staple being stuck to chuckingmagnet. This was an out of box failure.
SonyCDPC265
WILL NOT LOAD - REALIGNED U/D GEAR Unit would not load disc due to u/d gear beingjammed/misaligned.
SonyCDPC265
SKIPS ON OUTER TRACKS - REPLACED OPTICAL BLOCK Unit would skip particularly on outer tracks. Not possibleto adjust focus bias correctly.


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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