| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV20TR23 | NO PICTURE DUE TO CRT PROBLEM | The unit has no picture. No RGB signal comes form Y/C J IC, but Y and C signal into IC301(Y/C Jungle IC). However, I found bad IK signal returning from CRT, it is not IC problem. | ||
| Sony | KV20S10 | NO RASTER, REPLACED CRT | Unit came in with no raster, sound ok. High Voltage wasvery high, 26-27kv, check 200v ok, 1000v were max. coming from flybacktransformer. | ||
| Sony | KV20S10 | INTERMITTENT NO PICTUTRE, COLD SOLDER ON IC101 PIN 5 | The unit has intermittent no picture. | ||
| Sony | KV20S10 | NO PICTURE, RE SOLDERED THE SOCKET ON THE "C" BOARD. | Picture disappears after TV is on for 1 minute. | ||
| Sony | KV20M10 | LINES ACROSS SCREEN, REPLACED IC501 | Distorted lines across middle of screen. | ||
| Sony | KV2084R | INTERMITTENT VERTICAL, RE SOLDERED OPEN GROUND BY IF SHIELD | Intermittent vertical deflection. Very sensitive to tappingof the A board. | ||
| Sony | KV13VM20 | CASSETTE STUCK, RE SOLDERED IC102 & 103 REPLACED FR1805 | Unit came with cassette stuck inside, 17 volts missing at PBT-3/pin 2, FR1805 was open due to loose connection at IC101.Also check IC102, 103. | ||
| Sony | KV13VM20 | PICTURE DARK. COLOR QUALITY POOR, REPLACED DL-1202 | Picture displays chroma only, with no luminance. Found nosignal on IC-1501/pins 23 & 45. Composite video OK on connectorP-1503/pin 7. Ohmeter check of delay line manifested a short to ground. | ||
| Sony | KV13TR24 | INTERMITTENT PICTURE, RE-SOLDERED THE IF BLOCK | Unit came back as a CR after having tuner replaced. Removedthe IF block and checked solder joints. Found ring cracks around the pins of the PLL transformer. Very unusual for this IF block. | ||
| Sony | KV13M10 | UNIT INTERMITTENT TURN OFF ITSELF, REPLACED CRT | After awhile unit turns off itself, not shut down. Hit powerbutton it works again. | ||
| Sony | KV13M10 | NO POWER, REPALCE Q601/602 AND R606 ON MAIN BOARD | TV won't turn on. | ||
| Sony | KV13M10 | SNOWY PICTURE, REPLACED TUNER | After two minutes the picture becomes snowy. | ||
| Sony | KPR36XBR | WHAT IS THE IMPEDANCE AND WATTAGE OF THE SPEAKERS | |||
| Sony | KP61XBR38 | DEAD, REPLACED D623 | Unit dead, no 12v standby T608 gets hot. D623 shorted. | ||
| Sony | KP53XBR35 | NO PICTURE, REPLACED HV RESISTOR BLOCK | No picture traced to HV Block Assy and resistor R742, onthe CG board. |