Dicas Reparação

Modelo - Chassis

Pesquisa: Enviar Dica Resolvida
Resultados 80124
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DEFECTIVE CAPACITOR Interstation noise on AM and FM. Receiver will not scan orselect stations via memory presets. All segments of display tube lit up.
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.
HALL DEVICE/OFFSET OUT OF ADJUSTMENT After power was applied and start/stop button pressed, turn-table had a washing machine action.
SHORTED CONNECTION The only function that did not work was AM.
BREAK IN PCB Sound is unclear.
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.
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
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
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
PART REPLACEMENT NEEDED Auto shutoff and bi-directional playback is intermittent.
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.
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.
DEFECTIVE CAPACITORS Complaint was no PB both channels, REC vol. OK. First stageof EQ Amp was cut off, second stage saturated.
MAIN BOARD NOT GROUNDED With the exception of a click in both speakers when unit isengaged, dial lamps and cassette motor running, the unit is dead.

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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