| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV32XBR10 | TEARING IN PICTURE, REPLACED C-338 "A" BOARD | Tearing and instability in picture similar to AGC problems inolder sets. Some compression of sync pulses. | ||
| Sony | KV20EXR10 | HORIZONTAL LINE ONLY; SOUND OK, L-514 COLD SOLDERED ("A") | Horizontal line only sound is ok. Voltage missing atIC-500/2. Found one end of L-514 not inserted into PCB. | ||
| Sony | STRAV1020 | LOW LEVEL BUZZ IN AUDIO | Low level buzz in one channel that appeared and disappeared asvolume control was turned up. Was not present at maximum volumeunaffected by balance control. Sounded like a ground problem. | ||
| Sony | CCDF55 | NO FUNCTIONS/NO PICTURE IN STANDBY | On FU-72 board IC-501 pin 31-system reset had approximately30Hz square wave signal. Traced to solder splash on VK-10 board, pins 5and 6 of FP-296. | ||
| Sony | CFD60 | LOW CASSETTE TAKE-UP TORQUE - EATS TAPES | Unit was eating tapes. Take-up torque was around 10g.cm. Allunits I have worked on with this transport have low torque. | ||
| Sony | KV8AD10 | BAD PICTURE | Picture pulls in on side, weak video with vertical problem orhorizontal line. 30 volt line is down to 15 volts, Q-651 is open. | ||
| Sony | KV27XBR15 | COULD NOT TURN SET OFF, REPLACED RELAY RY-601 | Could not turn set off. Relay drive voltage would toggle. | ||
| Sony | KV27EXR15 | NO SOUND - PICTURE OK, REPLACE IC-405 AND F-602 | No sound - picture is ok. The 22 volts is missing from pin 9of IC-405. | ||
| Sony | KV1927RA | PICTURE IS SMALL WHEN SET IS COLD - EXPANDS WHEN WARM, C-544 | Picture is small when set is cold - it expands as the TV warmsup. Can only turn on and off with remote. No other functions. | ||
| Sony | KV27EXR15 | NO SOUND, REPLACE IC-405 | No sound. Signal input to IC is ok however, there isno output. DC bias voltages are all near normal. | ||
| Sony | TCW390 | NO RECORD | Input signal to IC-341 is good but no output. Replaced IC-341with no change. | ||
| Sony | CDXA100 | WILL NOT WORK WITH RMX-2 | Will not work with RMX-2. E04 error display shows. Alsopertains to serial number 103051. | ||
| Sony | CDXR79 | INTERMITTENT EJECT | After pressing eject button, you can hear the loading motorrun but the disc will not eject. | ||
| Sony | CDXR77 | INTERMITTENT EJECT | After pressing eject button, you can hear the loading motorrun but the disc will not eject. | ||
| Sony | CDX6020 | INTERMITTENT EJECT | After pressing eject button, you can hear the loading motorrun but the disc will not eject. |