Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KPR53EX20 | HIGH-VOLTAGE PROTECTION ACTIVATED, REPLACED IC-804 | High voltage protection activated on P board. Q-804 on,and Q-805 off. IC-804/1 at 12vdc even though pin 3 (non-inverting input)was lower than pin 2 (inverting input). | ||
| Sony | KV27HSR10 | HORIZONTAL RGB LINES IN TOP PORTION OF PIX., REPLACED R-517 | Unit looks normal but, displays red, green and blue horizontallines on the top portion of the picture. Normally, adjusting the REFfunction in the service mode will shift the lines out of the picture area.However, in this case the shift was not enough. | ||
| Sony | KV32XBR65 | VIDEO BLANKING, REPLACED CRT (WEAK RED) | Blanking activation was caused by a defective CRT. Thisproblem is difficult to troubleshoot because you can't visually diagnosethe condition of the picture tube during blanking. Remove Q-711 andconnect a jumper across C-720. This will restore raster a | ||
| Sony | KV32XBR70 | NO PICTURE SLEEP LIGHT ON, SHORTED 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 | 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 | KV32XBR50 | NO PICTURE SLEEP LIGHT ON, SHORTED C500 | 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 | KV32XBR15 | 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 (on pin 1 of IC-500) shorts, vertical drivesignal will be lost. With the loss of output s | ||
| Sony | KV32XBR10 | 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 (on pin 1 of IC-500) shorts, Vertical Drivesignal will be lost. This will cause loss of | ||
| 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 |