Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2649R | INTERMITTENT FADE OUT, CLEANED CRT PINS | Picture would fade out to a dark raster, very intermittent.All voltages checked OK. | ||
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. | ||
Sony | KV1954R | LOOKS LIKE CRT FAILED, SHORTED C530 AND OPEN R538 | This set appeared as though the tube was weak. C530 wasshorted and R538 was open. | ||
Sony | KV1953RX | NO FUNCTIONS, REPLACE Q2002 | No ch. display light. No audio. No front panel controls.IC2001 (CX7931A) on M brd was receiving the info. on Pins 3/4 from IC001on the MU brd. However, output back to Pin 5 of IC2001 was not occurring.Pin 12 of IC2001 was reading 6.4V instead of 12V. | ||
Sony | KV1952RX | NO FUNCTIONS, REPLACE X2001 | No remote or manual functions. Channel indicator lamps didnot come on. This is the 2nd one I have found. I have also had 3servicers that have had the same problem. | ||
Sony | KV1948R | VERTICAL ROLLING, LEAKY D513 | Vertical rolling and little foldover in picture, verticalcontrol in the front panel has little effect. | ||
Sony | KV1947R | FADED PICTURE, C519 OPEN | Faded picture and picture control has no effect. Horizontalripple on Q342 and Pin 4 of IC341, it effects all pins of dynamic picturechip. Found C519 open. | ||
Sony | KV1924 | BAD TUBE | This unit had a weak tube. Also R555 was open by shortedC548. | ||
Sony | KV1207 | SNOWY PICTURE | This was the 3rd time in for snowy picture. Each time foundfailure of transistor Q101. | ||
Sony | VTX1000R | VIDEO MUTE | KX-1901 plays fine with external video but when hooked tothe VTX-1000 it goes into video mute. We found IC005/IF chip in theVTX-1000 to be defective. | ||
Sony | VTX1000R | NO CHANNEL CHANGE | Would not change channels after approx. 30 minutes playingtime. | ||
Sony | KX2501A | VERTICAL BARS IN THE PICTURE, REPLACED C1527 | Light vertical bars in the picture. |