Sony TV Repair: Common Faults and Solutions.


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Sony Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYPSFL9
Part not available - up/down coilMy servicer ordered the part (#1-422-162-11), kc sent a notethat the part was no longer available.
SONYCCDV8
No rf outputRf to tv not working. line outputs function ok.
SONYCCDV8
Low light and white balance indicators not workingLow light and white balance indicators not working. tapeindicator works.
SONYWM10II
Unit shuts offUnit shuts off after customer jogs for about 5 mins, examinedmechanism and everything looks ok. -hq comments: if the unit shuts off mechanically, check blocks (#353,#364). loosen them, then retighten while keeping them counterclockwise.also, check the
SONYAC12
Ac adaptorThe ac-12 has been discontinued. could we get the specifica-tions on this so we may possibly substitute another adapter? -hq comments: ac-12 is multi-output. 6/9/12v max. 650ma. a newac-0468 should replace the former output 6/9/12v 800ma.
SONYSL2700
New as-7w boardsIn this new board ic303, ic107 and ic204 are upd4066bc typeand in old board they are tc4066bp type. are they interchangeable? thisunit with the new board you can hear the e-e audio on the background ofpb audio. -hq comments: upd4066bc p/n 8-759-140-66
SONYCFS3000
Cassette holderLateral shoulders (cassette guides) are longer than original,so the new door will not stay closed. -hq comments: the cassette holder you ordered is for cfs-3000 type ii.there are two versions of cfs-3000 model names are the same but they areidentified o
SONYKV1946R
Tuning is unstable, if ic sub?Tuning is unstable, hard to lock station, memory is not working well.
SONYWMF8
Need p/n of control boardNeed new service manual for checking the parts # of controlboard. -hq comments: for the motor control board that comes with m601 for unitsin the serial range of 214,776 - 298,826, please refer to tape recorders/b #167. the control board is not availabl
SONYSTRVX5
Part number for ribbon cableWould like a part # for ribbon cable (3-wire) for the q801mod. mentioned in s/b #141r. also a longer screw is needed for mountingq801 on the heat sink. a part # for this would also be handy. i noticedit is not mentioned in s/b #141r but q801 must be i
SONYSLHF900
Audio mutedAudio was muted for all functions.
SONYSL25
Excessive drum speed, picture distortedDrum speed excessive. there was approx. +10vdc on drum errorline which should be about +6vdc. drum free speed control had no effect.checked drum pgs and found pgs pulse missing, checked pg coil and foundit open.
SONYXR40
No part number for flex connectorPart number for flexible connector which connects the powerboard to the display board is not given in the service manual.
SONYSL2300
Servo will not lock upBoth units, servo will not lock up. on the ss-25 board theconnections at r12 and r17 were carbonized. removed the old solder.
SONYD5
Sled limit switch malfunctionUnit would not play discs. when play was pushed, the fopwould move outward a fraction of an inch and stop. measuring resistancebetween the gray lead from s903 and metal parts of the sled motor assy,we were reading approx. 400Ω.
SONYRS30
No ogm recordingThe unit did not record ogm and the 1khz beep was always on.
SONYCDP200
Top jumps all over the discAfter one hour of playing, the unit started skipping and thetop jumped all over the disc and finally went to the outside.observed the tracking error waveform. it was jumping like crazy.
SONYCDP101
Focus coil oscillatesAfter one hour of playing, the unit started to skip the discand rejected it. the objective lens was making the cracking noise.
SONYTC152SD
No ff/rewThe unit did not rewind or fast-forward.
SONYCDP111
Noise in audioThere was noise in audio. it sounded like there are a lot ofdropouts on the disc.