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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV2647R
Snow picture, resolder r053 Set displayed snow on all channels. i found r053 on mf boardimproperly soldered.
SONY KV2647R
Set would not turn on/off by remote, ic-101 Set would not turn on/off.
SONY KV2645RS
Color distortion, replaced r751 Bleeding color (red). found r751/470kΩ resistor changedvalue.
SONY KV2643R
Raster pulsating, replaced r609 Picture and raster pulsating. the 135v line exhibited samepulsation.
SONY KV2145R
No picture, fbt Set kept shorting out the horizontal output transistor.
SONY KV2101
Picture distortion Set had light vertical bands in picture. they started on the left and became less bright as you moved to the right. horizontal output waveform was affected as well.
SONY KV1946R
Picture distortion, replaced c524 Set would go into vertical bounce after warm-up.
SONY KV1945RS
Snow picture, replaced prescaler Snow on all channels. no output from prescaler.
SONY KV1945R
Sound and picture distortion, replaced ic005 Volume and picture levels go down. one could adjust volumeand picture levels in up mode, but a few seconds later, the levels wouldgo down to minimum.
SONY KV1945R
Intermittent on/off, leaky d026 Intermittent on/off. last channel memory is off. when turnmaster switch on, tv comes on intermittently. ic006 pin 11 is low (2.4v)should be 5.1v. d026 zener didoe was leaky.
SONY KV1913
Vcr pb picture distortion Viewing tv normally, off channel no problem set looks good,however, when vcr played through set, top of picture would curve to rightlike flag waving. vhs system is what customer has and complained on.however, distributor put betamax through unit and sam
SONY KV1221R
No on/off function, replaced rl001 Unit would not shut down manually or on remote. whenattempting to turn off set with manual switch or remote, the sound wouldmute, but the raster would remain. tapped on the case of relay rl001.power immediately went off. found rl001 was hanging up due
SONY KV1216
Picture pulling horizontally, replaced ic201 Picture pulling horizontally on some channels. problemtraced to output of sync separator, q301, where horizontal sync amplitudewas lower than normal. observing composite video at pin 14 of ic201showed horizontal sync pulse to be just slightly higher th
SONY KP7220
Picture distortion Set had about 8 inch overscan. found set-up cord was18 inches too long.
SONY KP7220
Insufficient vert height, replaced c5521 Insufficient vertical height on all three crts: about 3inches short top and bottom of the screen. found vertical sawtooth atbase of q5510 (on da board) reading 2.4vpp, should have read 3vpp.
SONY KV2647R
Retrace lines and raster pulsade, hairline crack on c board Raster was pulsating at a steady rate about 3 times persecond, retrace lines were visible, excessive brightness and video fading.found a hairline crack on c board g2 line.
SONY KV2647R
Vertical foldover, c508 Set has severe vertical foldover on top of screen.
SONY KV2645RS
No operation, replaced q203, d202 and r533 No raster, no sound and channel indicator does not light up.
SONY KV2645R
No picture, replaced q006-8 and d012 No reception on all channels. found no vc, no 12v at thetuner. all displays and addressing ok. found q006-8 transistors shortedand d012 defective.
SONY KV2645R
Dead, replaced c019 Set would not turn on. found c019 shorted.