Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81370
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(Chassis)
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SonyCDPC425
POPPING NOISE WHEN AMS BUTTON IS PRESSED (R-375 NOT MOUNTED) Popping noise heard when AMS button is pressed in rightspeaker, and sometimes distorted audio. Checked the inputs of IC-306 andfound pin 4 had incorrect voltage. Upon diagnosis of input circuit Ifound R-375 to be missing. Also applies to serial number
SonyTCW31
NO AUDIO OUT ON DECK "B" - IC501 FAULTY, 8-759-601-06 Incorrect voltage at pins 12 and 13 of the selector, IC-303.Upon diagnosis of IC-501, found pin 1 remaining high after unsoldering.Also applies to serial number 8807705.
SonyMZ1
UNIT DISPLAYS "HOLD" (CN-803 NOT CONNECTED) Unit would not load disk. Unit displays Hold. CN-803 wasunplugged.
SonyMZ1
NO POWER WITH AC ADAPTER (NICAD BATTERY OK); PS-401 OPEN Unit had no power with adapter, but worked ok with battery.
SonyMZ1
INTERMITTENTLY WON'T ACCEPT MO DISCS (REPLACE REF. # 108) When trying to load a recordable disk, the unit will eject thedisc immediately. It sometimes accepts disc with unit upside down. Foundpin 66 of IC-801 jumping high but not going back low as recordable discwas inserted. All three units loaded pre-recor
SonyCCDTR101
NO OPERATION WITH RM-95 (PERFORM SB CAM0112 IMPROVEMENT) Customer's RM-95 does not operate her camcorder. It also doesnot operate a CCD-TR81. Does service bulletin number CAM0112 apply tothese models? this RM-95 will not work on any camcorder with a regulatedLanc DC of 5.6V. The reset IC in the RM-95 is no
SonyKV1210U
HORIZONTAL FREQ WAS OFF, CLEANED HOR FREQ. CONTROL Horizontal frequency was way off.
SonySTRAV500
PROTECTION TURNS ON - REPLACE IC701, 8-749-941-91 No audio from left channel.
SonyKV1380R
NO PICTURE, 9V ON "C" BOARD MISSING, REPLACED C-551 & R-570 No picture, found 9V on C Board missing. C-551overdiscipated and left R-570 open.
SonySTRAV770X
BALANCE IS UNEQUAL BETWEEN CHANNELS - IC631, 8-759-634-58 Balance between left and right channels was off after input,but before adaptor plugs. Traced problem to IC-631 on Tone board.
SonySTRAV500
NO LEFT CHANNEL AND DISPLAY DIM - REPLACE FL301 AND IC701 Display was dim. Replaced display and left channel was out.
SonyTAAV650
REAR LEFT CHANNEL OUT - BROKEN SOLDER ON SPEAKER TERMINAL This was a refurbished unit. I found the speaker terminalsbroken loose from board.
SonyTCRX420
NO PLAY - CHASSIS BROKEN NEAR HEAD MECHANISM Chassis was broken where the head mechanism rides.
SonyKV27SXR10
PICTURE WOULD GO DARK, RESOLDERED RELAY PINS Picture would go dark tap on set and it would come backfound ring crack on delay modual.
SonyTAAX380
POPPING WHEN PHONO IS SELECTED - FAULTY GND ON TURNTABLE A popping noise can be heard from the speakers when the phonoinput is selected. Traced problem to PS-LX100 and not TA-AX380. Oneground wire was loose on turntable.


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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