Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDM8U | SERVO CIRCUITS DEAD | Three units with same problem in SSC. You could load tape inand it would thread up but unit would do nothing else after this otherthan turn on/off. | ||
| Sony | STRVX750 | BLOWING INVERTER TRANSISTORS IN PP SUPPLY | Set had been blowing out Q903/904 every couple of months. | ||
| Sony | STRVX5 | LOOSE RADIO OUTPUT | Unit would come on cold and radio functions were fine. Afterapprox one hour, unit would loose all sound in radio modes and had nosignal strength indication. Display was OK. | ||
| Sony | KV20XBR | PIC TOO WHITE, Q803 FAILURE | Original problem was tube had shorted in neck also spark gaphad shorted. After replacing these servicer had picture back but whiteswere to white and gave on defenition. | ||
| Sony | KV25XBR | NO ON-SCREEN DISPLAY | At turn on set had display, but after a few min., displaywould go out. I had all correct inputs to display IC104 but no outputsafter warm up. | ||
| Sony | CCDV8AFU | NO CHROMA RECORD | Unit would record no chroma. Playback was OK. | ||
| Sony | SPKM8 | LENS COVER NOT AVAILABLE | Rubber lens cover shown to the left of item 9, Pg 16 of S/M,does not come with item 9. This piece is also not included with theSPK-M8. A customer, however, would like one to protect the lens. -HQ COMMENTS: I checked with Tokyo on this matter. This co | ||
| Sony | CFSW360 | MISSING PART NUMBER | Need part number for AC line cord. | ||
| Sony | CCDV1 | PIX BREAKS UP | Picture breaks up on monitor. | ||
| Sony | CCDM8U | AUTO STOP | This unit would not stay in the play mode. It would gointo auto stop mode, after a short time. Found X681 to be bad. | ||
| Sony | D7 | MISTRACKS | Unit will not play beyond first track of test disc. Unit willnot advance tracks at times (intermittent). | ||
| Sony | KV25XBR | FLASHING IN RASTER | Set would have flashing in raster when it was cold. Aboutafter 20 minutes, flashing disappeared. By splaying coolant on componentsproblem was isolated to C1653. | ||
| Sony | KV2782R | SHUTDOWN, REPLACE C-681 | Servicer said that B+ was only about 100VDC and if any higher,the set would shut down. By disabling control pin on regulator IC, hecould get B+ up to 135VDC and set would work OK. Regulator IC and severalother parts had been replaced. I suggested that | ||
| Sony | CDP45 | INTERMITTENT MISTRACKING | RF waveform was OK except p-p voltage was 2.0V. Checkedwaveform from IC201. Gain Down SW seemed to be on most of time.Control signal to switch from IC202 Pin 7 was high most of time. Flexingckt board caused DC level to drop. | ||
| Sony | CCDM8U | SERVICE MANUAL | I do not find an electrical parts list in the manual orsupplements for the above board. -HQ COMMENTS: Because it is so difficult to troubleshoot the MX-2 boarddoes not have a parts listing but is offered as a replacement part P128service manual. |