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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY TCK501R
Play won't engage When play is depressed in either direction the head chassisdoes not move, subsequently the pinch rollers will not engage. foundr562 improperly installed. one end of the resistor was not insertedinto the circuit board, therefore was not soldered to the
SONY KV2665
No video/audio, 9v reg q-204 No video and audio.
SONY FD2A
Missing part # for dial pointer in s/m Missing part # for dial pointer in s/m. -hq comments: the dial pointer is a part of the front cabinet.
SONY ITA600
Incoming message tape does not stop Customers claim incoming message tape will not stop aftercaller hangs up. one unit, the ita-600 is used in phx area, the ita-500came from colorado springs. using b & k 1050 phone analyzer i could notduplicate problem in either machine. -hq comments: t
SONY CDP70
Audio sound distorted followed by shut-down Unit would accept disc, do focus search and apparently readtoc. when play mode entered unit would start to play with distortedaudio, then it would stop in a few sec. viewing eye pattern on scoperevealed distortion.
SONY KX1901
Alternately dark and light horizontal bands appears Alternately dark and light horizontal bands appeared in top1/6 of picture after warm-up.
SONY PSLX510
Intermittent erratic speed After warm-up, speed (33rpm) would intermittently becomeslightly erratic. the locked light would turn off. customer had unit ontop of his amp. which supplied additional heat. we found q103 to beslightly thermal which upset bias of ic102/p6 servo amp.
SONY SLHF500
No video in playback mode The unit worked in all functions except play. in play modethere was no video. we found the problem to be caused by q2 on ss-32 bd.this transistor was open therefore there was no pb 9v.
SONY FD2A
Int focus, replaced flyback Harlan mauer of the mpls. ssc reports fd-2athe problem is traced to a defective flyback.
SONY CCDV8AFU
Picture shakes side to side on playback Drum locked but speed is erratic. tf4 osc not present online 15 of drum drive ic.
SONY CCDV8AFU
Audio mute No audio. traced problem to c405, ar-1 bd. dc voltage vary-ing on pin 4 ic101.
SONY WMF12
Play button jams Play button does not come out of play position.
SONY KPR4600
Unit dead, replaced ic-301 The unit is dead.
SONY CDP70
Service manual errors 1) q102 collector is shown on the schematic to connect toq101 emitter. it actually is connected to b- as shown on the boardlayout (the emitters of q101 and q102 are tied together). 2) c132polarity is shown reversed on the board layout.
SONY KV1311CR
Picture goes intermittly snowy, repaired broken etch Intermittently picture would go into snow. by tapping theboard, picture would return. found the etch broken between resistor r-221and the tuner if output.
SONY SL25
Wow/flutter beta iii Wow and flutter in biii. forward and back tensions were ok.tension regulator arm was vibrating. by touching it, vibration and wow &flutter would be gone. after 2 or 3 seconds, vibration would begin again.
SONY SLHF400
No picture in beta scan or pause No picture when in beta scan or pause. screen showed blackhori bars and what looked like over driven agc. adjusted skew osc to 2xhori. picture came in on beta scan and pause. after a few min picturewould go bad again and had to be readjusted.
SONY KPR4110
Ic-301 schematic error, no sb issued In troubleshooting a blanking (no raster) problem. i foundset does not agree with schematic. measuring pin 38 on ic301, i found 9v,and q408 emitter reading 3v. traced circuit and found r431 does not con-nect to r428. the 3v on emitter seemed to come
SONY SL2710
Loading & threading are very slow Unit would load and thread very slowly. found loading motorgetting hot. also voltage on motor only 7.6vdc.
SONY KV1365
Missing part number of plastic knobs We need the part number for the plastic knobs that activates011/s012 channel up/down. is this only avaiable with the bezel? -hq comments: the knobs are only available with the bezel.