Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
Sony
Sony
Sony
SonyCCDF77
WON'T PLAY, FF, REW - UNIT LOADS, TREADS, DRUM TURNS The Ever 5 volt from IC-503 is supplying B+ to the modecontrol IC. Capstan B+ and Drum B+ are present, but the 5V from Q-903 ismissing. This is a secondary supply from the DC to DC convertor. Q-903base is biased from IC-901. IC-901 was found to be ba
SonySLV575UC
HIGH-PITCH NOISE The unit makes a high-pitch noise when in Reverse Scan mode.
SonyD555
IC-502 HAS FEWER PINS THAN LANDS ON SERVO BOARD IC-502 is a 12 x 4 flat pack, CXA1272R. Both the actual boardand the diagram on p. 28 of the manual show a 13 x 14 x 13 x 14 layout.Even though they call out only 12 pin numbers on a side. How do we in-stall this part? Which lands does it get connecte
SonyXVD300
PICTURE GOES TO PIX ART IN ANY MODE In any mode the picture looked as though it was constantly inpicture CRT mode.
SonySTRAV320
DOES NOT FUNCTION Unit does not function.
SonyTCDD3
PEAK LEVEL METER INDICATION ALWAYS DISPLAYS "OVER" Peak level meter indication is always over with no input onremote, digital jack or mic/line in. Operating conditions were asfollows: record button Off, record level control set to minimum and notape in loaded. Two units with the same symptom.
SonyTAAX311
INCORRECT PART NUMBER, D-957 Schematic on pp. 20 - 21 shows zener diode D-957 as a UZL-27.Part list on pg. 32 calls for HZS30-1L (P/N 8-719-002-49).
SonySTRAV1070X
UNIT GOES INTO PROTECTION WITH HIGH VOLUME ON REAR AMP Setting the rear Amp volume to high causes the Protectioncircuit to activate. I connected 8 Ohm dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion.
SonySTRAV970X
UNIT GOES INTO PROTECTION WITH HIGH VOLUME ON REAR AMP Setting the rear Amp volume to high causes the Protectioncircuit to activate. I connected 8 Ohm dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion.
SonySTRGX67ES
UNIT GOES INTO PROTECTION WITH HIGH VOLUME ON REAR AMP Setting the rear Amp volume to high causes the Protectioncircuit to activate. I connected 8 Ohm dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion.
SonySTRGX57ES
NOISE IN REAR SURROUND CHANNEL WHEN NO SIGNAL PRESENT The rear surround channel has a high frequency hiss presentwhich is most noticeable with the master volume turned up to at least 50%,the rear channel level at 0dB and no signal source present (ie. betweentracks on a CD). There is also a noticeable buzz
SonyTADM1000ES
CD1 SIRCS OUTPUT HAD NO CODE BEING OUTPUT The CD1 4-pin SIRCS output jack had no signal coming out ofit. The Infrared emitter jack for CD1 also had no output. Other SIRCSoutputs were ok.


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