Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2647RX | DEAD, REPLACED FLYBACK, Q502, AND FUSE | Hit by lightning. | ||
Sony | KV2647RX | CONTRAST FULCTUATES RATICALLY ON CHANNEL 5 ONLY, IC-302 | Contrast fluctuates ratically on channel 5 only. | ||
Sony | KV2647R | POOR COLOR, B AND G WIRES TO C BOARD REVERSED | The unit had fairly good B/W but the color picture definitelyindicated that there was some sort of demodulator problem. It was notpossible to obtain the correct color bar display - no yellow or magentaand the red, blue and green were misplaced. The ser | ||
Sony | KV2647RX | POOR CHANNEL RECEPTION, REPLACE VHF TUNER | No low channels (2-6) reception. | ||
Sony | KV2647RX | DARK PICTURE OF CABLE CHANNELS | Dark picture on only the cable channels that were scrambled.The scrambler was made by Octagon Regency. The cable system was DavisCommunity Cable Co. in Davis, Calif. The problem with the cable scrambledchannels was with the horizontal sync. | ||
Sony | KV2647RX | UNLOCK SIGNAL ON CABLE CHANNEL, REPLACE C208 AND ADJ T203 | Customer on cable unable to lock in on HBO channel 18. | ||
Sony | KV2647R | NO DISPLAY TIMER FUNCTION, AC WIRES TO MF-7 REVERSED | Display time would be on but the time would not change whenthe set was off. When set is turned on, the clock would work until theset was shut off. | ||
Sony | KV2647RX | NO PICTURE ON CABLE, ADD RESISTOR WITH R054 | Set will not work on cable (HRC system). One fix was to puta 100 ohm resistor across R054. This seemed to work in the past. On thenew sets KV-2647RX this fix does not work in all cases. The 100 ohm willcause the set to hunt shift back and forth. Wha | ||
Sony | KV2647RX | JAIL BARS, ADD GROUND WIRE | Jail bars in picture. This is the 2nd 2647RX customer hashad. Customer claimed jail bars on this unit took 2 weeks to develop.Tried tuner, prescaler, D250 all zero effect. | ||
Sony | KV2647RX | PICTURE DISTORTION, REPLACE R557 | When set was first turned on, picture lacked about 4 inchesof vert sweep at bottom and slight compression at top. After about 20seconds, picture and sould would go out. Inspection revealed the 15Vline to the 12V regulator was only 9VDC. The other 15V | ||
Sony | KV2647RX | PICTURE DISTORTION, POOR GROUNDING AT RCA TYPE CONNECTOR | Weavy red lines from top to bottom about one inch thick onlow VHF channels. Also radiating to other sets on same antenna line. | ||
Sony | KV2647RX | BLACK LINES ON THE SCREEN, REPLACED VHF TUNER | Two black lines on left side of screen. | ||
Sony | KV2647RX | NO RECEPTION ON CABLE, REPLACED C208 | Set would not receive channel 2 on cable. All other channelsOK. Trimming of AFT coil on the board (T203) did not help. | ||
Sony | KV2647RX | UNEVEN SHADING AND JAIL BARS, SHORTED L204 | Uneven shading darker left to right, and jail bars. Jailbars show up on dark screen. Shading shows up also on dark picture. | ||
Sony | KV2647R | GREEN RASTER WITH RETRACE LINES, REPLACE IC-501 | Green raster and retrace. |