Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV1914 | HORIZONTAL LINES ACROSS TOP OF PICTURE, REPLACED C-529 | The customer complained of horizontal lines across the top ofthe picture. On troubleshooting IC502 pin 9 does not have the 1.6V. | ||
Sony | KV1914 | TUNING DRIFT | Stations could be locked in, but then would drift off. Pin 10of IC201, AFT amp out was floating, and voltage was varying. | ||
Sony | KV1914 | COLOR DISTORTION | New picture tube would go soft on one of the colors - firstwas the red, second time the blue. Found filament voltage from theflyback incorrect. Peak to peak was 30V S/B 22, also ringing. | ||
Sony | KV1914 | NO SOUND | No sound. Voltage at Pin 21 of IC201 was low, should havebeen 5.8 VDC, was only 4.0 VDC. | ||
Sony | KV1914 | NO UHF | No UHF. Found B-E of Q103 shorted. | ||
Sony | KV1914 | NO PICTURE | Unit would blank out approx. after 1/2 hour, sound stillnormal. By turning set off for a while and turning it back on, the unitwould again work for a shorter period of time and blank out. Found thatby freezing vertical output IC unit would function nor |