Dicas Reparação SONY




Modelo - Chassis


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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyRT66
SHORTED D1314 When depressing the pause switch in play mode, the unit goesinto AMS mode and stops operation (head goes down), if there is a signalplayed back.
SonyPSX600
OUT OF ADJUSTMENT 1) Tonearm does not move in auto start mode, but T.T. startsturning. 2) Tonearm moves manually, but sluggishly.
SonyPSX45
IC CX193 FAILS This unit has repeated failure of the servo IC, CX193. Alloutboard parts have been carefully checked and the unit operatescorrectly when a new IC is installed. All D.C. and waveform measurementsare within 5%. I am puzzled as to why these chips only wo
SonyPSX6
LEAKY D410 After 5 minutes the repeat led would partially come on andthe repeat function would not work. We found D410 in the repeat flip flopckt leaky.
SonyPCMF1
LEAKY L519 AND DEFECTIVE IC505 Recording section worked fine but the playback section didnot function.
SonyCDP101
DEFECTIVE LASER Unit will not read TOC (ejects after attempting to focus3 times). Defective laser diode - all voltages to TOP correct - LD ONsignal good.
SonyCDP101
DEFECTIVE Q601 Initially there was no system control function due todefective crystal. After replacing crystal unit worked OK for a fewminutes but shut down when jarred. Traced problem to defective Q601 whichshorted because of misaligned rubber insulator. I think th
SonyCDP101
SLED MOTOR LOCKED UP Customer's complaint was stays in scan. Verified problem -visual inspection showed SLED motor was locked up. Loosened screws onSLED ass'y and motor turned freely.
SonyCDP101
OUT OF ADJUSTMENT Dealer's complaint was won't accept disc. Verified problemon bench. Focus operation checked OK, unit would not read TOC due to noGFS signal.
SonyCDP101
OUT OF ADJUSTMENT Would not read TOC. GFS stays low.
SonyCDP101
DEFECTIVE IC204 AND OPEN R390 AND R391 Unit would not function at all.
SonyBM600
DEFECTIVE GEAR Forward will not engage because gear would slip.
SonyXR25
SHORTED CAPACITOR No audio.
SonyXM120
CONNECTION NEEDS TO BE MADE Distributor reports that dealers have complained that theXR-75 will not turn on the XM-120 amp even with both units hooked topurple and blue remote turn on wires hooked together.
SonyWM2
DEFECTIVE PH501 AND LED Motor continues to run after stop button is depressed. Doesnot happen all the time.


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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