Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV32XBR37 | NO MAIN PIX, REPLACED COMB FILTER | Had child pix but no main pix. Traced video to CN157/pin 8(Video in) on the UA Board. Video input to comb filter Module CN1201was OK. Had no C or Y output from filter CN157/pins 2 & 4. Jumpered V into Y and C out and got main picture back. | ||
Sony | KV32XBR36 | PIP HAS FLICKERING AND INCORRECT COLORS, C3052 ON P1 BOARD | Unit came to shop with PIP flickering and incorrect colors,then symptoms changed to no parent or child picture, but High Voltageis normal. Check P1 board and found C3052 shorted. Apparently, leakyC3052 was original cause, then it got completely shorte | ||
Sony | KV32V15 | NO PICTURE NO SOUND, RE SOLDERED Q591 | TV has noise but no sound or raster. | ||
Sony | KV27XBR95S | VERT.INTERFERENCE IN PICTURE,RE SOLDERED C652,Q605,AND D655 | Vertical interference throughout the whole picture. SOLUTION: Re-soldered on the power supply board components C652, Q605,and D655. | ||
Sony | KV27XBR55 | NO VIDEO, RANDOM RED GREEN & BLUE ON TOP OF SCREEN | No video, rainbow, red, green and blue hor lines across thetop of the screen. DC voltage on IC500/pin 2 was about 7v. Wentback to 15v rect and measured 7v R517 read 23 ohms. | ||
Sony | KV27XBR55 | NO PIX, REPLACED D1304 | No picture. Discovered system clock pulls IC301/pin 47 below 5V. Found leaky diode D1304 on B board.SOLUTION: Replace diode. | ||
Sony | KV27XBR37 | NO COLOR(B/W PICTURE), REPLACE IC301 Y/C JUNGLE | TV has picture and sound, but no color. | ||
Sony | KV27XBR37 | NO MAIN PIX, REPLACED COMB FILTER | Had child pix but no main pix. Traced video to CN157/pin 8(Video in) on the UA Board. Video input to comb filter Module CN1201was OK. Had no C or Y output from filter CN157/pins 2 & 4. Jumpered V into Y and C out and got main picture back. | ||
Sony | KV27TS27 | TUNER HAD ADDITIONAL COLD SOLDER JOINTS THEN IN SB 203R2 | In performing what was required in Service Bulletin 203R2. I found additional bad solder connections, then listed in the bulletin. | ||
Sony | KV27TS27 | DISTORTED AUDIO AFTER WARM UP, REPLACE MM201 | Audio got distorted after warmup Pin 12 of MM201 looked ok but the ouputs at pins 10 & 11 looked bad. | ||
Sony | KV27TS20 | NO PICTURE NO SOUND, BLINKING SLEEP LIGHT | TV has no picture and sound, but sleep light keeps blinking. | ||
Sony | KV27S15 | LOSES COLOR, LEAKY CAPS ON M BOARD | After 15-20 minits, color starts fading slowly, Replacing IC301 and X301 did no solve problem. | ||
Sony | KV27S10 | NO PICTURE, COLD SOLDER ON Q581(HOT) | TV has sound and B+ is ok, but no high voltage. | ||
Sony | KV27S10 | RED VIDEO WITH RETRACE, REPLACED IC301 | Video was red with retrace. Cooled IC301 with freeze spraypictures went blue with retrace. IC-301 siginal going in was OK buthad low RGB output to the C board. | ||
Sony | KV2782AEB | TV SHUTS OFF BY ITSELF, RESOLDERED IC-351 ("A" BOARD) | TV shuts off by itself. |