Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyKV5100
NEED'S PART # FOR BRACKET UHF TUNER I need part number and availability of bracket for the UHFtuner. -HQ COMMENTS: The P/N for the UHF tuner bracket is 4-309-327-05, butit is not, and will not be available.
SonyD5
TRACKING NOT WORKING In service mode, tracking balance waveform is good but wouldnot turn tracking on when MODE button is pushed. Unit did not track.
SonyCDP30
SERVICE MANUAL CORRECTION Adjustment mode for E-F balance adjustment shows groundingvariable contact point of RV103, this should be RV104. The test iscorrect, however the picture of the PCB is not. -HQ COMMENTS: We will issue a S/B.
SonyWM10
SUPPLY REEL ASS'Y Even with the thinner washers, it has been found that thesupply reel gear, wheel block assy, and motor chassis assy will not gotogether. Caused dragging and washer and stopper will not go on shaft. -HQ COMMENTS: Washers are used to adjust clearances on
SonyCDP302
COMPACT DISC PLAYER Skips intermittently, track 6 or higher, not always in thesame place. A mylar sheet is already in place inside the bottom panel toreduce drag on the flexible connector from BU-1.
SonySL10
NEGATIVE PICTURE Negative picture and no sync on E-E and PB.
SonySLHFR70
INTERMITTENT NO TUNER AUDIO No tuner audio from TI-5 board. Pin 11 (tuner audio mute) ofIC301 on SA-10 board was high. It could be intermittent.
SonySLHFR70
POOR BETASCAN AFTER 30 MIN TO 2 HRS Unit had very poor Betascan (all modes) after warming up.
SonySTRVX550
VOLUME STUCK IN LEVEL Volume stuck in one level, however, display changed.
SonyFD20A
WRONG COLOR CABINET PARTS Herman Electronics, part distr. in Miami ordered P/N3-314-033-21 and 3-314-023-21 for a silver unit but keeps getting thoseitems in blue. -HQ COMMENTS: Part numbers in service manual are incorrect. Pleaseorder by the part numbers below.3-314-033-21 cab
SonyBMC220
POOR PICTURE - W/NO COLOR After repairing original focus problem, unit failed duringfinal test. Unit displayed a very poor picture, no color and out offocus.
SonyTAAX6
INCORRECT PART # End user has had unit serviced by A&E TV (non-ASC, CanogaPark). Pilot lamps need replacing. S/M has only one P/N 1-518-453-00which subs to 1-518-453-31 on KC system. Color is red. Please advisepart numbers for following color pilot lamps: PL#06-10 (
SonyCCDV8
VIDEO DISTORTED One video head was not soldered.
SonyTCFX500R
PUSHING REC CAUSES REC MUTE Unit would go into REC MUTE whenever REC was actuated. Normalrecording is not possible.
SonySLHFR90
INTERMITTENT SNOW WHEN VIDEO SIGNAL LEVEL CHANGES QUICKLY If video level changes rapidly, as when station cuts to acommercial or back, picture goes to snow for 1/2 sec. or so, but sound isnot disturbed. Control pulse is still on tape. Slow change in videolevel does not produce this symptom. Servicer claims t


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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