☰

Sony Repair Tips




AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY TCK501R
Motor boating in playback - replaced relay ry301 Motor boating in right channel found ry301 bad.
SONY TCFX600
No play - replaced capstan motor m801 Capstan motor not turning - bad motor
SONY TAAX311
No display - replaced regulator, q951 No display found r955 open, q951 shorted and d957 shorted.
SONY TAAX295
Dead - replaced t2 No standby found t2 transformer's primary open.
SONY TAAV521
No audio on center and rear - replaced q716 and q717 No audio on center and rear, found q716 and q717 on main boarddefective.
SONY TAAV521
No audio - found q720 open No audio output (relay not activating).
SONY STRGX99ES
Display dims during loud volume Customer complained that during loud bass, the display woulddim. i checked the +36v line and found that at loud volume, the voltagewould drop to 31 volts which is below the zener point. i did not wantto change resistor r783 (for safety reasons) to a lowe
SONY STRGX909ES
Dead no display - replaced output transistors rt channel Found right channel shorted and 8a fuse open.
SONY STRGX69ES
Buzz only in left channel - reinserted cable into connector Found that connection on cnp 301 connector was bent, notin its hole and making no contact.
SONY STRGX50ES
Protect - repaired cracks on board at rca jacks Found ring cracks on rca input and output jacks.
SONY STRGX4ES
Wont lock in tuning/ no fm reception - ic301 defective Output ok on any function, but tuner doesn't have fm tuning.won't lock to stereo, found ic301 defective.
SONY STRGX10ES
Repeat failure of pwr xformer secondary - replace xformer The secondary winding of the power transformer (vh-2connector) has opened three times on this unit without apparent causeaccording to the asd working on it. they presently have the thirdreplacement transformer on order. they will provide the defective on
SONY STRG1ES
Testing ir out Infrared repeater nbo, no way to test ir out.
SONY STRD990
No center channel - ic202 defective Found ic202, pin 27 not going high enough to activate thecenter channel relay.
SONY STRD990
Unit works, but the display will not light up - t902 open Unit works o.k. but no display. found transformer t902 open,at pin 21 and 23. there was no ac voltage to the display.
SONY STRD911
Shorted outputs Found shorted output. transistor's base lead of outputtransistor overdisipated and had fallen off. have seen three units likethis.
SONY STRD790
No power, unit dead -replaced d956 Unit dead, won't turn on. i found voltage at ic202-53 (stop)at 4v, with lots of ac noise.
SONY STRD790
Found outputs shorted - replaced outputs Found outputs shorted.
SONY STRD790
Protection mode - ic601, ic621 defective Unit turns on has display. after 5 seconds unit goes intoprotection mode. i found ic621 and ic601 defective.
SONY STRD615
Jumper board out of place - reinsert jumper bd and loc-tight Jumper board out of place from power supply to main board.