| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR65 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on IC-301/pin 31 (should be 2 volts). | ||
| Sony | KV27XBR60 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV27XBR50 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). Foundshorted C-500. -HQ COMMENTS: When C-500 (IC-500/pin 1) shorts, vertical drive signalwill be lost. No output signal on IC-500/p | ||
| Sony | KV27XBR15 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 ("A" BOARD) | Sleep light is on, has no picture. Found .7Vpp on pin 31 ofIC-301 (should be 2 volts). Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, vertical drivesignal will be lost. With the loss of output signal on IC-500/pin 3causes th | ||
| Sony | KV27XBR10 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). Replacedshorted C-500. -HQ COMMENTS: When C-500 (on IC-500/pin 1) shorts, vertical drive signalwill be lost. With no output signal o | ||
| Sony | KV32HSR10 | NO PICTURE SLEEP LIGHT ON, REPLACED SHORTED C-500, NO V | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV27EXR15 | NO PICTURE SLEEP LIGHT ON, REPLACE C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV27EXR10 | NO PICTURE SLEEP LIGHT ON, REPLACE C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV20EXR10 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV32XBR65 | PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV32XBR50 | PINCUSHION DISTORTION, COLDERED SOLDER JOINT D-512 | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV32XBR15 | PINCUSHION DISTORTION, REPLACED R571,L501,D512 COLD SOLDERED | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV27HSR10 | PINCUSHION DISTORTION, COLD SOLDER JOINT AT DAMPER CIRCUIT | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV27XBR50 | PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | XR7180 | ERRATIC TAPE FUNCTIONS AND DISPLAY, NO AUDIO | No display, no AM, no FM tape runs but just auto-reverses. |