Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV13VM20 | NO PICTURE, REPLACED CRT | No picture, sound ok. | ||
Sony | KV13TR24 | INTERMITTENT NO PICTURE OR SNOW, REPLACED LEAKY D101 | Unit would go to snowy or intermittent picture. | ||
Sony | KPR46XBR25 | NO VIDEO, REPLACED Q1605 ON A BOARD | No raster, when G2 was increased on all 3 crts raster appeared with retrace lines and raggedy edges, only when reducing G2 voltage on green CRT, video would be visible momentarily. | ||
Sony | KP61XBR38 | NO VERTICAL SWEEP, REPLACED C1713 SHORTED | Set had no vertical sweep. 3 color lines across center of screen. F902 was blown, sub deflection IC's checked good found 15v missing. IC 905 getting very hot. | ||
Sony | KP61XBR38 | NO MAIN MENU DISPLAY, REPLACED IC2301 ON E2 BOARD | Could not bring up the main menu. Tracked problem to E2 bd. Pin 2 of IC2301 was less than 100 ohms. | ||
Sony | KP53XBR35 | DEFOCUSING OF GREEN TUBE | Picture was poorly focused at high brightness levels.closer examination proved only green CRT was defocusing. | ||
Sony | KP53V15 | POWER SUPPLY DEAD(G BD), REPALCE T601 | Issued MCB asked servicer to send in old board. They could not find problem after replacing and checking many components. | ||
Sony | KP46XBR35 | SET GOING INTO PROTECTION, REPLACED Q801 ON N BRD | Protection activated at power on, short on 115 volts line. found Q801 shorted emitter to collector. | ||
Sony | KP46XBR35 | THIN LINE ON PICTURE, REPLACED Q630 REGULATOR | Intermittent retrace lines. Discovered defective transistors on 225V regulator. | ||
Sony | KP46XBR35 | NO PICTURE, C1713 SHORTED | Unit had no pix,just lines across screen. | ||
Sony | KP46V15 | SMEARED GREEN HI-LITES, REPLACED Q734 ON CG BRD SHORTED | Symptoms were smeary green highlite areas in video, and when set was turned off, a green circular blotch would appear and gradually decay to black. | ||
Sony | KP46555 | RED CRT INTERMITTENT | Customer stated picture would flash red, occasionally would make screen solid red with retraced lines. | ||
Sony | KP41EXR96 | NO POWER FROM G BOARD(PWR SPLY), REPLACED T601 | Dealer replaced board after not finding why Q603, Q614 were not oscillating when the dc voltages were normal. He replaced Q603, Q614, T603 and confirmed that everything else was ok. Issued MCB and had old board sent to | ||
Sony | FDL370 | OPEN F601 UNIT DEAD, REPLACED C707 SHORTED | Found fuse F601 open due to C707 shorted. | ||
Sony | TAM2000 | LOUD BUZZ WHEN PLAYING BACK OGM OR MEMO - CLEAN S401. | UNIT WOULD PLAYBACK OGM OR MEMOS WITH LOUD BUZZ ON TOP OFAUDIO BUT ONLY WHEN MESSAGE/MEMO WAS RECORDED WITH S401 IN THE ANNOUNCEONLY POSITION. RECORDINGS MADE WITH S401 IN OTHER 2 POSITIONS WOULDPLAYBACK NORMALLY AS WOULD ANY ICM. |