Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 81349
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyKV32XBR51
CHANGE CHANNELS TAKES A FEW SEC FOR PIC TO LOCK, R-146 When you change channels, picture would roll for a sec beforethe picture would lock in.
SonyKV19TS10
UNIT SHUTS DOWN, REPLACED R-561 ("A" BOARD) The set shuts down immediately. Monitoring pin 15 of IC-301just pior to shutdown the voltage begins to sharply drop.
SonyKV27XBR35
LOW AUDIO ON HEADPHONE (LEFT), REPLACED "U" BOARD Low audio on left side of headphones only.
SonySSM721AMR
NO POWER, REPLACED IC-601 (A BOARD) Monitor is inoperative. No power input to IC-601 and nooutput.
SonyCCDTR101
ZOOM PROBLEM Will not zoom wide angle. Found open potentiometer (ref 408). -HQ COMMENTS: This is the zoom position sense potentiomenter.
SonyCFD460
CD PLAYS INTERMITTENTLY - REPLACE Q-706, P/N 8-729-119-76 CD would play intermittently. Q-706 junctions checked ok withan ohmmeter.
SonySLHF360
UNIT DOES NOT RESPOND TO SOME CONTROL BUTTON OPERATION Unit would not respond to some control button operation. Thisis a customer complaint won't record, can't set clock, up and down arrowsdon't work.
SonySLV696HF
PICTURE FADES FROM COLOR TO B/W Picture fading from one containing color to black and white.Symptoms appeared very much like those of a bad tuner.
SonySLV555UC
UNIT ENTERS PLAY MODE BUT DRUM WOULD NOT LOCK The unit would enter Play mode but drum would not lock. RFenvelope was present. The counter would still move even in Stop mode.
SonyCDPH3600
MAIN BOARD RECEIVED FROM NPC DIFFERENT FROM BOARD IN UNIT Servicer ordered MCB main as listed in service manual.Board received is marked with correct part number but is not same board.Part received is shown as for models MHC-2600, MHC-P707, FHE-737CD,FHE-838CD. The correct MCB and/ or part number is needed A.S.
SonyKV27V55
NO OPERATION, REPLACED Q-606-602 AND R-607 No picture or sound. -Solution Replaced on the D Board Q-601 and Q-602. Resisor R-607 wasalso opened. It was a .1 ohm but was upgraded to .47 Ohm.
SonyCDPC69ES
DISC DRAWER DOES NOT CLOSE Drawer would not close. Disc table would rotate.
SonyCDPC325
DISC DRAWER DOES NOT CLOSE Drawer would not close. Disc table would rotate.
SonyCDPC225
DISC DRAWER DOES NOT CLOSE Drawer would not close. Disc table would rotate.
SonyCDPC312M
DISC DRAWER DOES NOT CLOSE Drawer would not close. Disc table would rotate.


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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