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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY SPPER1
Will not take charge Intermittently will not take charge.
SONY SPPA450
Unit fails tx freq offset in base - replace c113 and c114. Unit fails tx freq offset in base.
SONY SPPA250
Icm cuts off after 7 seconds - resolder r101 Unit cuts off icm after 7 seconds, whether or not person wastalking. vox circuit not working properly. found excessive glueprevented proper solder flow on one end of r101.
SONY SPP2010
No audio heard on earpiece when you speak Complaint was: cannot hear caller. no feedback audio heardon earpiece. b & k did not register modulation, but schlumberger showedno problem with handset. base failed audio test. there was audio at pin3 of expander but very low at pin 2.
SONY SPP2000
No designation of id rom ics Unit would not grab line.
SONY ITID500
No display no function - replace ic501 Unit had no display no dial tone, no ring and no keyfunctions however, line light would come on when off hook.
SONY ITA555
Distorted audio digital - replace ic608 and ic609 Playback audio pulsates on and off rapidly.
SONY GVS50
Undocumented diode on au-136 bd / p/n 871911827 There is a diode across the video connector on the au-136board that looks like it was a modification to the original board. thereis no part number. -hq comments: the part number is 8-719-118-27. it is there to protectagainst static electricity.
SONY GV300
No color or playback of tapes - replaced ic701 No color on playback of tape
SONY TCWR901ES
Slow in one dir, or won't play deck a/b - clean & re-lubed The tapes play slow in one direction only or will not play at all. the problem is caused by the grease used on the flywheel assembly. it gets hard and impedes free movement.
SONY TCWR545
Both wells tape jam - repl pinch roller and capstan belt 1 . both tape decks eat tape. 2. deck a auto reverse n/g andrigh ch n/g. 3. both cassette doors stuck
SONY TCRX311
Inter func, speed varies, may eat tapes - repl flywhl gear The unit had intermittent mechanical functions, intermittentspeed variations and occasionally damaged the tape. the problem wascaused by a small crack on the flywheel gear.
SONY TCR302
Record bias on all the time - q308 defective The bias oscilliator was on continuously thus erasing thetape during playback. the problem was caused by a leaky q308 bias switchwhich was maintaining the bias oscillator in an on state.
SONY TCK620
Intermittent no record on right channel - resolder lpf101 The unit intermittently would not record on right channel.standard signal tracing showed the lpf to be the problem. furtherinspection showed the coil on pin 3 of the filter to be poorly solderedcausing the problem.
SONY TAAV521
Int static in main left spkr, int protect - repl int q701 The unit had intermitten static in the left speaker.occasionally the protect would engage. the problem was caused by anintermittent q701 diff amp. the device was not effected by freeze sprayor heating.
SONY STRD915
No fm reception - replace front end Fm station does not come in.
SONY HCDD550
Will not play disc - repl servo control ic102 on bd board After about 3 minutes, disc would stop playing, unit reads no disc . found ic102 on bd board defective.
SONY HCDD550
Cd will not play - repl defective ic101 on bd board Unit does not play cd, would only start to spin, optical blockgoes up and down fast.
SONY DTC690
Short audio drop outs from all tapes - repl head assy Short audio drop outs from all tapes.
SONY CDPC245
Kss240 bd board, wrong # When this board is ordered a4649433a to compliment the kss240optic it is the wrong board for this unit. there is no ic102 on the aside of the board. there is a totally different cn101 connector. canyou please explain why/send the correct board # -h