Dicas Reparação
Modelo - Chassis
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Resultados 81600
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2643R | PICTURE SHIFTS, DEMAGNETIZED CRT | Graphics were shifted to the right. When unit was taken toservice shop and center-cross generator placed on set the centering wasoff approx. 2 inches to the right. All associated circuitry was checkedand found to be in proper operating condition. Repl | ||
| Sony | KV2643R | NO PICTURE, REPLACED C607 | The following parts were bad in this set: Q901, Q902, Q601,R605 open, R609 open, R232 open, connector A-10 on PC board arcing.After all these parts were replaced, the set would come on and thepicture would blink severely, both horizontally and verticall | ||
| Sony | KV1945R | NO PICTURE, C1008 IN PRESCALER SHORTING TO FRAME | The following notes were made in determining problem. 1) Nowave train at PLL IN, TP59. 2) No voltage on Pin 15, IC003. 3) Voltageat tuning point on tuner went to 31.5V and would not vary. Cause - C1008on prescaler was shorting to adjacent frame on p | ||
| Sony | KV9300 | INCORRECT BRIGHTNESS | The set has an excessive brightness. The screen control ishigh and cannot be adjusted, R706 is open. | ||
| Sony | KV9300 | RETRACE LINES | Retrace lines, no screen control. | ||
| Sony | KV2645R | AUDIO CRACKING, REPLACED T207 | Intermittent audio cracking. | ||
| Sony | KV2643R | NO SOUND | No sound, picture OK. | ||
| Sony | KV2643R | CHANNEL LOCK, REPLACED L001 | Right after turn-on, tuner would lock on a channel. Wouldnot change channels manually or by hand unit. It had no clock on Pins12 and 13 of IC001 (volume and on/off OK). | ||
| Sony | KV1945R | POOR REMOTE OPERATION, RESOLDERED X002 ON MD BOARD | Poor response from remote control. Poor range - missesfunctions. | ||
| Sony | KV1945R | POOR REMOTE OPERATION, RESOLDERED SHIELD TO N BOARD | Weak remote range. This unit had poor shield ground on theN board causing the short range of remote control. | ||
| Sony | KV1913 | NO AUDIO ON CH 10-12 | No audio on channel 10/12 or very low sound. Found channelind. lamp for channel 10/12 defective. | ||
| Sony | KV1545R | REMOTE OPERATION RANGE TOO SHORT, OPEN GROUND "N" BOARD | This unit had poor shield ground on N board causing shortrange on remote when set was on. | ||
| Sony | KV1221R | PICTURE DISTORTION, REPLACED C524 | Picture pulled up 3 inches on bottom of the screen and upperright hand corner blanked. Found C524 off Pin 13 IC301 was installed withpolarity reversed. | ||
| Sony | KP7220 | INCORRECT BLUE CONVERGENCE, REPLACED D5320 | This unit had a blue convergence problem. The blue verticallines were wider than the red or green. | ||
| Sony | KP7200 | INCORRECT TUNING OPERATION | TV would scan but would not stop on stations. |