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Modelo - Chassis


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(Chassis)
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SonyKV1920
START CIRCUIT BURNS UP The start circuit would fail to turn off despite the factthat the set was running and making 18V for the horiz. osc. circuits.We found the trouble to be caused by a defective horiz. osc. IC. It tookabout 11V to fire, this permitted the start transistor
SonySEH310
PART NUMBERS FOR FRONT PANEL Front panels came in black or silver, but manual only showsone number, with no indication of color. We need the numbers for thesilver and for the black front panels. -HQ COMMENTS: The number shown in the manual is for the silver panel.Parts for the bla
SonyWMF8
MISSING PART # FOR BRACKET The service manual for this unit shows two Ref. #31 in theexploded view on Page 24. The parts list only shows the part # for thelabel and does not show the part # for the bracket. -HQ COMMENTS: The part number is 3-319-043-01. Please refer to T/NA007.
SonyMDR40II
PART NUMBER FOR HEAD BAND ASS'Y Need correct part number for brown head band assembly.Manual says X-2371-808-1 but tech. keeps getting black one. It seemsthat several of the part numbers on Page 3 of the MDR-40II manual arewrong. -HQ COMMENTS: Found the part number of the dark brown
SonySTRAV560
NO AM OR FM No AM or FM reception. When heating XT201, normal functionreturns.
SonyBMC550
PART NUMBER FOR HANDLE SCREW We need the part # for the thumbscrew which attaches thehandle to the necessary shoe on top of the camera. The part number forthe handle is 3-691-167-01, listed under accessories at the rear of themanual. -HQ COMMENTS: The handle is not available as an
SonyTCM600
MISSING PART NUMBER FOR STOP LEVER Need part number for stop lever, page 18 of the manual. -HQ COMMENTS: The part number for the stop lever is X-3557-403-0. Willissue a T/N and S/B.
SonyKV25XBR
IBM PC INTERFACE The KV-25XBR service manual provides no technique or specifi-cations for adjusting the RGB subbrightness controls RV401, 402, 403. Ifthis unit performs with the IBM computer, as did its predecessor theprofeel, adjustments may be necessary. -HQ COMMENTS
SonySTJX410
WRONG P/N IN S/M 8-759-925-10 is TL510CP for BUT1000. Part # should be8-757-925-11 per transistor sub book. -HQ COMMENTS: The number is 8-757-925-11. We will issue T/N and S/B.
SonyXR740
CAR STEREO WOULD BLINK ON/OFF Dealer was trying to install unit in Mercedes with factorypower antenna. When unit was powered up, car antenna would extend to fulllimit, then car stereo would blink on and off and thumping sound could beheard through speakers.
SonyKV1331
MISSING PART NUMBER FOR BRACKET, 4-365-826-22 Need part number for tuner bracket. -HQ COMMENTS: The part number for the bracket is 4-365-826-22. Thebracket is not currently in stock, will be available soon.
SonyKV2670R
BUZZING IN AUDIO, R-211 COLD SOLDER Servicer complained of buzzing on all channels, at timeslouder on some channels than others. While troubleshooting the set, Inoticed that one end of R211 was not pushed through the hole on the PCboard. When I inserted the resistor in the circuit, the b
SonyBMC110
INTERMITTENT NO RECORD Customer complained that once tape was inserted, unit would gointo play mode. Record and stand-by switches had no effect. Also whenyou could get unit to record, edits were very poor due to insufficientbrake and pinch delays. During malfunction no LEDs
SonyKV1910
HV BLOCK Model KV-1910 uses HV block 1-453-046-00. According to micro-fische, it has been subbed to 1-453-070-00. Both are not physicallyinterchangeable and it is impossible to use original parts from old assy.Can HV block 1-453-062-91 be used? -HQ COMMENTS: 1
SonyKV1915
AUDIO OUT No audio or intermittent audio on certain stations. Manymodels (KV-1913/1914/1916/1917/1918) have the same circuit.


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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