Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81386
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyWMF1
INCORRECT PART NUMBER Part number listed in service manual is incorrect.
SonyWM8
INCORRECT PART NUMBER Part number listed for the P/B head in service manual isincorrect.
SonySTRAV560
MISSING PART NUMBER S/M does not list a part number for the front panel. -HQ COMMENTS: Part number for front panel is X-4906-723-1 for STR-AV560 X-4906-713-1 for STR-AV760
SonyEVC8U
NO EJECT Unit would load OK. Play tape for a few seconds then stop.FF or REW would run for a short time then stop. When eject was pushed thetape would unthread, but cassette compartment would not come up. The modeswitch was not running, it was staying in the l
SonyITA500
LOW VOLUME ON OGM AND ICM SIGNAL TO TELEPHONE LINE Customer complains that OGM and ICM volume is low and cannotbe heard if phone line quality is a little low. Also, mentioned he isdissatisfied with seizing line with 1 1/2 rings. -HQ COMMENTS: A modification is presently being investigated to increaseIT
SonyEVS700U
INTERMITTENTLY TAKE UP AFTER PAUSE RELEASED Item #371 on page 155 of S/M rubbing against a piece ofbad molding beneath it.
SonyD7S
DISC WILL NOT SPIN The unit would not spin the disc. This was caused by thethrust screw coming loose and allowing the rotor to bind. Readjustmentresolved the problem. This is becoming a common problem with this unit.Depending on how far out of adjustment the thrust scre
SonyCCDV8
NO RF OUTPUT FROM MODULATOR All functions worked except there was no RF from the RFmodulator. Audio and Video lines worked fine.
SonyKV1944R
SNOWY PIX, NO SOUND, REPLACED IC2006 Has snowy picture, no sound, no display. Power on/off OK,could not tune channels.
SonySTRVX750
SHUTDOWN Unit would come on for a few seconds and shut off. This wasintermittently. Found with signwave input that right on out had ringingand spike on output. Found R783 had changed value 39ohm. Changed, sameproblem.
SonyCCDV8
HORIZONTAL JITTER IN PLAYBACK MODE Unit displayed horizontal jitter in playback mode.
SonyCCDM8U
NO EJECT Capstan and drum rotate erratically during EJECT mode.
SonyWM8
HEAD REPLACEMENT Above head replaced with P/N 8-829-373-40. Difference inphysical size prevents head chassis from returning to STOP position. Itis difficult to load cassette or eject it. -HQ COMMENTS: A service bulletin was issued concerning this problem(Tape Recorder
SonyKV8100
PART FAILURES End user reports all of their units have had this capfail at least once. Sometimes, the other parts in the centering circuithave failed also. -HQ COMMENTS: To lessen the overcurrent stress on C519/2.2uF/160V, plsuse two 1uF/200V (P/N 1-130-157-00) capa
SonyFD2A
CX20159 DEAD Unit came in with dead CX20159. Tech replaced it and thiscauses Q602 and associated components to burn up. -HQ COMMENTS: Since IC601, Q602 are part of power supply circuit weshould first check its most suspect components before turning power on.Next,


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.

Verifique se o esquema está disponível na área de downloads