Dicas Reparação




Modelo - Chassis


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Resultados 81446
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyALL TVP
SERVICING IS DANGEOURS The entire inverter power supply is directly connected to theAC line. When troubleshooting the power supply circuits, an isolationtransformer must be used.
SonyTCK96R
DRIVE SLIDER TAB NEEDED TO BE BENT Door was jammed. Cass. transport locked up in play mode,consequently eject mode would not work. Found 2 roller pins (P/N 3-558-448-00) had become misaligned.
SonySTRV55
DEFECTIVE CAPACITOR Interstation noise on AM and FM. Receiver will not scan orselect stations via memory presets. All segments of display tube lit up.
SonySTR7800
CLEANING/REPLACING TUNING CAPACITOR Extreme static on FM tuning knob is sensitive. Over thephone it sounded like a poor ground (intermittent). The dealer is ina very humid area.
SonyPSX40
HALL DEVICE/OFFSET OUT OF ADJUSTMENT After power was applied and start/stop button pressed, turn-table had a washing machine action.
SonyCFM31
SHORTED CONNECTION The only function that did not work was AM.
SonyTFM7720W
BREAK IN PCB Sound is unclear.
SonyTFM6060W
COLD SOLDER CONNECTION ON T7 No FM.
SonyICFC410W
INCORRECT SUBSTITUTE TRANSISTORS USED When radio is turned on either no sound or a buzzing sound isheard. I have found that Q5, Q6 and Q11, which call for 2SC1363 tran-sistors have been replaced with 2SC1634 transistors which are notsubstitutes.
SonyICF9650
BROKEN PCB Circuit board cracked at 3 out of 4 mounting posts. Novisable damage on cabinet or packing material. Problem previouslyreported on ICF-9650 #159305. Found identical problem on ICF-9650#156863, and #196273. -HQ COMMENTS: We will investigate this probl
SonyTCM121
BRACKET ASSY OUT OF LOCATION This unit would eat tape because take up reel would not turn.The bracket assy was allowed to travel backwards (pulling against thespring) until it went past the plastic guide on the chassis assy. Onceit went past the guide, it could not come back forwar
SonyTCK96R
IDLER WHEEL At end of tape unit will not auto reverse or shutoff. In thisunit the micro processor gets it's signal off the reel motor. At the endof the tape when take up reel was stopped at tend of tape the reel motorwas still dragging sending the pulse signals to
SonyTCK96R
PART REPLACEMENT NEEDED Auto shutoff and bi-directional playback is intermittent.
SonyTCK35
ROUGH SPOT ON FR LIMITER In FWD or REW, when unit gets to end of tape, R1008 will gethot and twice R1008 opened for customer. Found flywheel to be almoststopping drawing around 180mA.
SonyTCK15
MODIFICATION NEEDED This deck produces short duration pops and snaps while playingTDK tape. (Same tape works OK in other Sony recorders.) -HQ COMMENTS: Please refer the attached S/B issued in Sony Canada and dothe same disposition. We will issue the S/B.


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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