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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV32V15 | BUZZ IN SOUND ON HIGH WHITES CHANNEL, OVER MODULATION | Customer complained of buzz in sound on high white picture.Only occurs on channel 6 on cable. Does not do it on another set.I still think it's cable related since it only happend on one channel anddoess not show up in shop. any suggestions? -HQ COMMEN | ||
| Sony | KV32V15 | TOP HALF OF VERTICAL COLLAPSED, R505(-15V RESISTOR) OPEN | Top half of pix was collapsed. Found -15v supply from FBTmissing. | ||
| Sony | KV32TS36 | NO PICTURE DUE TO LOW B+ VOLTAGE, SHORTED Q613 | The unit has no picture. Check B+ line with 120V AC input,B+ line has 84V DC. If AC input is increased to 140V AC, the picturewill come on and unit operates normally. Tech replaced IC-601 but did notfix. Found Q613 shorted C-E. | ||
| Sony | KV32S15 | HIGH PITCH NOISE, REPLACED HLC COIL | High pitch noise intermittent. | ||
| Sony | KV27XBR37 | NO AUDIO ON LEFT CHANNEL, REPLACED IC-402 | There is no sound on the left speaker, traced audio back toIC-402/pins 46 & 48 has audio. IC-402/Pin 28 did not. -Replaced IC-402. | ||
| Sony | KV27XBR15 | NO PARENT PICTURE ONLY CHILD, REPLACED IC102 | No main (parent) picture, but child picture was OK. Youcould swap it to the child. Signal Y and Chroma was present atIC301/pins 3 & 5. Nothing coming out of IC301/pins 20,22, and 24 RGB.SOLUTION: Replaced IC102, Rom. | ||
| Sony | KV27V55 | SPANISH CHR AND PIX SHIFTED TO RIGHT, RESET ID CODES | Unit 6 months old. One day had spanish chr on screen and pix shifted to the right. Also, SAP activated, Menu shifted to right. Suspected a power surge/etc. none of the other clocks in the house were reset. | ||
| Sony | KV27V55 | PIP DOES NOT HAVE SYNC., RESOLDERED Q3201 | Child picture does not have vertical or horizantal sync. Found Q3201/collector was not soldered from the factory. | ||
| Sony | KV27TS36 | NO PIX, GOOD SOUND, REPLACED IC501 | Sound was OK, but no picture. When I turned up the screen, allI could see were some flashes in the upper corners. Screen voltage, KR,KG, KB all checked normal. | ||
| Sony | KV27TS32 | LIGHT VERTICAL BARS IN PIX. ONE EACH AT 2" FROM EITHER SIDE | Picture had two 1/4 light vertical lines in picture. Each wasabout 2 inches from each edge of the tube. RGB signals looked like theyhad an extra pulse after sync area. | ||
| Sony | KV27TS29 | UNIT DEAD, REPLACED Q601/602,C643 R607 POWER SUPPLY | Unit dead, Q601/Q602 shorted. C643 and R607 open. -SOLUTION :Replaced above parts. -HQ COMMENTS: Thank you for your report. | ||
| Sony | KV27TS21 | PINCUSHION DISTORTION, REPLACED D513 | Enlarged horizontal side, bad pincushion. | ||
| Sony | KV27HSR10 | VERTICAL FOLDOVER, REPLACED C501 | Vertical foldover at top of picture. | ||
| Sony | KV27HSR10 | CANNOT EXIT SERVICE MODE, CLEANED CONNECTOR U29 | Could not get set to exit the service mode. E-prom,memory changed, no help. Noticed some type of corrosion on U29connector, pins 14, 15, and 16. | ||
| Sony | KV20V50 | A BOARD PART NUMBER INCORRECT ?, 2 CHASSIS USE IN THIS MODEL | Service manual gives part number A1297080A and is not asubstitute for A1297229A. |