Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDSP7 | PLAYBACK VIDEO IS DARK AND NO CHROMA/Q-397, VA-40 | Used block diagram on page 41. Checked signals on IC-360(CXA1200BX video process). IC-360 pin 20 demod out ok. Return to pin 23to low signal level and use schematic. Q-396 was not amplifying. Emitterwas 2.1V (spec 3.4V). Base was 0.565V (spec approxi | ||
| Sony | SPP115 | MUTED AUDIO (IN AND OUT) IN HANDSET - X-502 BAD IN BASE. | Unit's handset locks up with the base but audio was muted(both receive and transmit). Tested handset on the BK analyzer and Iverified it was good. Going to the base, traced audio back to the telline duplexer IC. I measured the pins around the IC and a | ||
| Sony | SPP80 | NO DIAL TONE - CRYSTAL X-503 REPLACED (P/N 1-567-994-11) | No dial tone. | ||
| Sony | KV32TS20 | NO PICTURE/SOUND, REPLACED R-648 | The set will not turn on. This is due to R-648 opening up.R-648 is located off of T-605/pin 4, in the standby supply. When itopens the standby, 5V is not present. Replacement resolves the problem.Note: We have received several reports of this failure. | ||
| Sony | KV27EXR95 | VERTICAL COMPRESSION, REPLACED C-547 (A BOARD) | The picture was vertically compressed at the top. The problemwas caused by C-547 opening up. This capacitor decouples the -15V line.Replacement resolved the problem. -HQ COMMENTS: C-547 is located at IC-500pin 4, schematic grid locationH-19. | ||
| Sony | CCDTR200 | WON'T EJECT/FP-550 | Unit will not eject tape. No tape functions operate. | ||
| Sony | EVS3000 | DOES NOT RECORD VIDEO: OPEN TRACE AT C504 VI-104 BOARD. | Failure to record video was caused by an open trace at thesignal input to C-504 on the VI-104 board. | ||
| Sony | CPD1430 | BRIGHT GREEN RETRACE LINES | Bright Blue retrace lines. | ||
| Sony | KV13EXR90 | NO PICTURE OR SOUND, REPLACED IC-101 | No picture or sound. On screen display only visible. | ||
| Sony | KPR46EX35 | COULDN'T CHANGE CHANNELS OR VOLUME, REPLACED IC1001 | Using either remote or manual control, could not changechannels or volume. | ||
| Sony | KV27TS27 | POOR CONTRAST, REPLACED COMB FILTER CM-351 | Poor contrast. | ||
| Sony | RMY113 | NO CHANNEL ENTER WITH JERROLD CABLE BOX USING CODE SET | Customer has Jerrold cable Box model DPV5212R3. When using thecode set the Channel enter commands do not work, but Channel Up/Down isworking. -HQ COMMENTS: Please ask the customer to use the Learning Function ofthis remote instead of the pre-set codes. | ||
| Sony | KV32XBR70 | BARKHAUSEN OSCILLATION, RESOLDERED FBT CONNECTIONS | We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. Theproblem is caused by a poor ground connection on the focus block sectionof the flyback. | ||
| Sony | KV32XBR25 | BARKHAUSEN OSCILLATION, RESOLDERED FBT CONNECTIONS | We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. Theproblem is caused by a poor ground connection on the focus block sectionof the flyback. | ||
| Sony | KV27XBR65 | BARKHAUSEN OSCILLATION, RESOLDERED FBT CONNECTIONS | We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. Theproblem is caused by a poor ground connection on the focus block sectionof the flyback. |