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Sony Repair Tips




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Search: sony
Results: 20075
Make Model Symptom Problem Solution By
SONY KV32XBR96S
White bar above channel 70, re-soldered c225 White bar on left side of screen only when tuner tuned abovechannel 70, uhf or cable. found small amount of noise ~60mv on the 12 vline feeding tuner. caused by c225 being cold soldered. not decouplingthe line properly, slight amount of modulation w
SONY KV32XBR95S
Low audio level from variable audio outputs with external sp When using the variable audio ouputs to drive the sa-va3(external audio speaker system), the speakers would return to standbyunless the volume level was increased beyond the customers preference.not enough signal for vox control circuit in the sa-va3 to
SONY KV32XBR37
Pix very dark, replaced ic301 on "m" board Unit had a very dark picture.
SONY KV32TW78
New "h" board connector cn155 different Ordered a replacement h board. original boardconnector cn155 had 8 pins new one has 9 pins. -hq comments: the original board is not available. the h boardfor model kv-27v10 uses the same h board with the addition of theluminance responder circuit. r
SONY KV32TW77
No picture and on screen display, open g2 resistor Determined that the ik line had the y/c jungle ic shut off. found that the screen voltage on pin 5 of crt socket(g2) would not change
SONY KV32TW77
New "h" board connector cn155 different Ordered a replacement h board. original boardconnector cn155 had 8 pins new one has 9 pins. -hq comments: the original board is not available. the h boardfor model kv-27v10 uses the same h board with the addition of theluminance responder circuit. r
SONY KV32TS36
No picture, r550 and r551 resistors are open, see s/b no.235 R550, r551 on d board were open. -hq comments: thank you for your report. please add or replace jw instead of orignal resistor. refer to the service bulletin no.235.
SONY KV32SXR10
Picture oscillates intermittently, replaced c1631 At high brightness levels picture would intermittentlyoscilllate/flutter. problem was caused by c1631 in abl circuit.prevented correct abl correction at high levels. replacement resolvedproblem.
SONY KV32S10
Relay chatters , dead set, replaced the flyback Relay chatters when powered up. no b+ present when measuredat the flyback b+ pin.
SONY KV27XBR96S
Low audio level from variable audio outputs with external sp When using the variable audio ouputs to drive the sa-va3(external audio speaker system), the speakers would return to standbyunless the volume level was increased beyond the customers preference.not enough signal for vox control circuit in the sa-va3 to
SONY KV27XBR95S
Low audio level from variable audio outputs with external sp When using the variable audio ouputs to drive the sa-va3(external audio speaker system), the speakers would return to standbyunless the volume level was increased beyond the customers preference.not enough signal for vox control circuit in the sa-va3 to
SONY KV27XBR51
No picture or sound, replaced d310 Power supply turned on and b+ voltages normal. nohorizontal drive from ic301 p. 37 jungle, or vertical timing ic301 p. 28,29. activity on the i2c bus momentarily when unit plugged in, but did notcontinue due to the lack of vertical timing back to the
SONY KV27XBR50
No rf output/ replaced the if block No picture or sound in rf mode. video 1, 2, and 3 ok. rf agc measured 0 volts, no video from the detector output.
SONY KV27V55
New "h" board connector cn155 different Ordered a replacement h board. original boardconnector cn155 had 8 pins new one has 9 pins. -hq comments: the original board is not available. the h boardfor model kv-27v10 uses the same h board with the addition of theluminance responder circuit. r
SONY KV27TW78
New "h" board connector cn155 different Ordered a replacement h board. original boardconnector cn155 had 8 pins new one has 9 pins. -hq comments: the original board is not available. the h boardfor model kv-27v10 uses the same h board with the addition of theluminance responder circuit. r
SONY KV27TW77
New "h" board connector cn155 different Ordered a replacement h board. original boardconnector cn155 had 8 pins new one has 9 pins. -hq comments: the original board is not available. the h boardfor model kv-27v10 uses the same h board with the addition of theluminance responder circuit. r
SONY KV27TS31
Distorted audio mm201 mpx decoder Whistle and other distortions in audio. found .47mfd 50velect. capacitor in mm201 audio processor module on a board open, thiscap is rated for 85 degress temp. there is no ref number for any of thesecapacitors on module.
SONY KV27TS27
Snowy picture, replaced rf connector t99854851 Rf connector input terminal diameter being too big. antennaor cable wire has loose jib.
SONY KV27SXR10
Brightness fluctuation,replaced connector wire ass'y a16-c3 When the connector a16-c3 was wiggled at the a16 end,brightness would change. reversing the cable (6 pin) showed no problem atthe c3 end but confirmed the problem was with the cable.
SONY KV2786R
Loss vertical deflection, replaced tuner and r540 Unit displayed a horizontal line at the center of thepicture.(when g2 was turned up) there was also no sound.