Dicas Reparação SONY




Modelo - Chassis


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SonyACV55
NO PARTS LIST IN SERVICE MANUAL Need part number for the cable which corrects from the batteryto the DC out. -HQ COMMENTS: The part number for the DC out connection cord is1-559-354-21. A parts list will be issued shortly.
SonyCCDV1
NO VIDEO IN RECORD Would not record video. No video output from (VC-12) board.Found iris ring defective.
SonyALL AUD
REMOTE FOR STRAV950 - D10 - KV25XBR Do we have a single remote that will operate the above threeunits? -HQ COMMENTS: The remote that will operate the above three units is theRMU-70II. A remote control receiver unit (P/N 1-463-815-11) is necessaryto make the D10 remote controllable.
SonyKV2780R
PIX DISTORTED, REPLACE FBT 1-439-372-11 Picture distorted.
SonySTRAV880
TV RECEPTION LOSS ON CABLE SYSTEM WITH STRAV880 INSTALLED When the receiver and TV set are hooked to the cable system,the TV sets picture would snow-out. When the receiver was removed, theTV would look and work normally.
SonySLHF300
VIDEO/AUDIO BLANK WITH PRE-RECORDED TAPE Video blanks out. Found these symptoms:1. Playback video/audio cut out (muted) with self-recorded tape or testtape.2. Self-recording from this unit - playback good on shop SL-HF600.3. VD CTL and CTL pulses good.
SonyCCDV5
NO CAMERA RECORD Record switch inoperative.
SonyCCDV110
NO DRUM SERVO Drum would start up and immediately shut down. Found C520shorted - (30 OHMs). Voltages were not far from spec around problem area.
SonyKV25XBR
INTERMITTENT VOLUME GOES HIGH Trouble symptom was very intermittent, i.e., volume would govery high, brightness level would decrease about 2/3 and no display. In-spection reealed no DC voltage at IC-101 when problem occured. I foundrosin connection on L-113 which prevented DC from
SonySL300
PICTURE DISTORTION Strange distortion in picture. Check RF waveform you can seeone head missing.
SonyD77
NOISE BETWEEN SONGS WITH BATTERY PACK Noise between songs only with battery pack.
SonyD10
FUSE IN NEGATIVE SIDE OF DC INPUT Some D-10 units have a fuse in the negative side of DC input.It is not shown on any supplements. -HQ COMMENTS: Tokyo added the fuse to prevent the regulator transistors(Q401 and Q403) from burning. They are currently working on a supplement.
SonyKV2726R
AUDIO BUZZ ON CABLE, REPLACE IF BLOCK Servicer reports the set has an audio buzz on cable channel 4only. They are unable to pickup CH 4 on an antenna.
SonyAVU360
CANNOT RECEIVE UHF STATIONS Dealer reports there is not any way to change from CATV toUHF. The service manual does not give any info and there is not aninstruction manual on premises.
SonyCCDV8AFU
NOISE IN PIX DURING PLAYBACK Once unit warmed up, noise bars would drift through pix. ATFpilot at pin 1 of IC106 would disappear when problem was observed. Hadcorrect wave form at Q114 but not at the collector of Q121. Small spikeswere not present at this point.


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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