Dicas Reparação
Modelo - Chassis
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Resultados 81393
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | KV25XBR | INTERMITTENT RIGHT CHANNEL AUDIO, RESOLDERED J001 | Intermittent right channel audio. Audio signal was presentat connector U9/pins 1 and 4. Audio signal could also be seen atU9/pin 3, open signal return path. | ||
| Sony | KV20TS32 | CLOCK RUNS SLOW, REPLACE CRYSTAL X001 | Clock running very slow. All other functions operated correctly. Problem was cuased by X001, running about 3.8MHz, should have been 4 MHz. Replacement solved problem. -HQ COMMENTS: Thank you for your informaton. |