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Sony Repair Tips




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Search: sony
Results: 20102
Make Model Symptom Problem Solution By
SONY KV20TS50
No cordless headphone operatiion, replaced ic404 on "a" bd Could not turn on ir xmitter. could not turn off speakers. wereally chased out tail on this one. you could apply 12v from d416 to thexmitter and the unit would work. we surmised ic441 was not being turnedon. we wouned up shotgunning the circuit, and stil
SONY KV20TS29
Screen dark, replaced r507 in the g2 circuit Sound is ok but crt is dark. boost resistor open causing crtblanking. replacement of the resistor restored normal operation. -hq comments: the diode d513 and filter cap c517 might be defective.
SONY KV20TS29
The screen has blank area on right side, replace y/c-j ic The screen has a blank area on right side and picture is shifting to the left.
SONY KV20TS29
Cabinet warped, replaced bezel x-4031-046-1 Cabinet was warped. looked like the back was not attachedproperly.
SONY KV20EXR20
No audio, re-pluged a24 connector Found plug from power supply unplugged, a24.
SONY KV20EXR20
Dead, replaced ic651 Dead.
SONY KV20EXR20
Shut down, replaced r656, and c653 Unit was going into shut down due to the 1350 line going high.
SONY KV20EXR20
Narrow picture, replaced q611 on the "g" board Picture is narrow. b+ was 112vdc.
SONY KV1967
Dead, replaced fbt and ic601 Dead.
SONY KV1966
Arcing, replaced flyback Arcing.
SONY KV1952RX
No audio, replaced ic601, stk563f 8-749-956-30 on a board Found ic 601 bad.
SONY KV1917
Intermittent audio & picture pulls from sides, regulator Intermittent audio fades in and out and picture pulls fromsides.
SONY KV13TR28
No reception on high ch 6-13, replaced tuner 8-598-047-10 Channel 2-5 ok. high channels from 6-13 no reception at all,ok on 95, 96.
SONY KV1380R
Vert deflection low, replaced ic301 Found pin 19 of ic301 @ 6.2v, lifted pin and went up to 10.3,no fold over on picture just short.
SONY KV1355R
Will not turn off, d001 shorted Will not turn off even with the relay unsoldered. ac to d601unsoldered power switch off and a-4 plug degause unplugged.
SONY KV1354R
Cannot turn off, replaced d001 on "a" board With switch off, unit is still on.
SONY KPR53EXR15
Center of screen foggy, replaced diffusion plate 403646902 Center of screen on frenzel is foggy. sending in moresamples. no unusual circumstances, a/c on most of the time insidebedroom with no direct light.
SONY KPR53CX35
Center of screen foggy, replaced diffusion plate 403094801 Center of screen on frenzel is foggy, sending in more samples. no unusual circumstances, no direct sunlight. this model has plexiglasson outside not near kitchen.
SONY KPR46EX35
Center of screen foggy, replaced diffusion plate 4039703011 Center of screen on frenzel is foggy, sending in moresamples. windex was used couple of times. near a pool.
SONY KP46XBR25
Blanked raster--hv protect ckt, resoldered r900/901 on n bd Unit came in with no raster and no hv, but sound was ok. beganby looking for problem in hv protect. found ic804 latched high at pins 3and 5. hv protect line at connector n-2 was ov since hv was off. backchecking, we found r900 and r901 poorly soldered on