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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY CFSW402
Cassette holder assy part no. incorrect Part number for cassette holder assy a and b are incorrect inthe service manual.
SONY CFSW308
Deck a no mechanical motion - realign or replace belt Belt comes off its pulley (#158 x-4920-922-1). pulley (w)assy (10% of all deck problems).
SONY CFSW308
No am/ no tuning control right or left channel missing. Unit came in with no am. other units had no tuning control.the third unit had left channel missing. upon taking the units apart, isaw that the tuner board had come loose and was sitting crooked. all ofthese 3 boards had cracks right where the screw #
SONY CFSW308
No dc power - realign battery terminal board The battery terminal board (4) is misaligned, causing thepositive terminal of the board not to make contact with the battery.
SONY CFSW308
No audio - unsolder short on magnetic head No audio, the (a) deck head wire is shorted, causing the unitto have no audio when the (a) head wire is plugged in. when you unpluggedhead wire (a) deck, audio comes on.
SONY CFSD960
No tape functions No tape function, upon opening saw that second lever waspopped out of place, put back in place and adjusted unit.
SONY CFS905
Unit dead - repair ac adaptor jack Ac adaptor has ring cracks on pins. i see this on most modelsthat come in.
SONY CFS905
Audio board with cnp2-3pm connector to tape. New audio board uses three pin tape motor connector. oldaudio board used four pin tape motor connector.
SONY CFS204
Not enough take up tention - replace idler, ref 167 The spring on the lever arm, idler is not strong enough. ihad to add strength to the spring and replace the idler.
SONY CFS202
No tape functions - replace belts Found 1 belt broken, the other weak.
SONY CFS202
Part # for brass thruster & springs Mech squeeked, hole in brass thrusters, part #s not inmanual. replace thrusters & springs.
SONY CFM101
No audio - replace ic101, p/n 80759-821-14 Not audio.
SONY CFD970
No power with 9v adaptor - repair trace on j901 Unit had no power dc. upon checking dc jack, it was found that the middle trace that carries 9v to the other parts of the unit was broken at j901.
SONY CFD970
No power ac/batt - replace ps901, p/n 1-532-686-21 Unit had no power by 9v adaptor and by the batteries. powercoming into j901 was ok. checked ps901 which was open. this is a verycommon problem with this model.
SONY CFD770
No playback audio after replacement of head assy No playback from deck a after replacing head. found that theground and hot wires on the head were transposed.
SONY CFD768
Replacement optical assembly doesn/t fit. Asc ordered replacement optical assy 884824601. kcp viaandrews sent 884824611, which doesn't fit. original had 12mm wide flexconnector with 18 contacts. replacement has 24mm wide flex connector with18 contacts. both parts are marked kss-360a. -hq c
SONY CFD767
Main board from stock differs from unit The main board received from npc is different from the one inunit. when installed and powered up, board smokes. we checked supplementsand corrections, found nothing regarding this problem.sample board forwarded to npc(partially modified by tech).
SONY CFD767
Tape deck bad record and playback Needed a new tape head. page 83 of s/m shows the former typeof mech. discovered the former head and its connector were never put inthe system and they do not exist. -hq comments: i checked the discrepancy with kcp. the former head andconnector have not
SONY CFD765
Unit dead - replace ic304, p/n 8-759-995-62 Unit will not turn off or on and cd will not respond.
SONY CFD760
New tuner board in 9k mode - remove d513 for 10k mode New tuner control board from npc was in 9k mode.