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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV25XBR | COARSE PICTURE | Coarse looking picture and improper interface. | ||
| Sony | CCDV8AFU | CAMERA OSCILLATOR FAILURE | Camera attempting on run at 50% increase in sweep frequency. | ||
| Sony | TC250 | NO PART NUMBER FOR J4 CAPSTAN IDLER ASSY | We need part number for J4 capstan idler assy on page 15. -HQ COMMENTS: Part number is X-0027-003-0. | ||
| Sony | KV25XBR | DEAD SET, REPLACED Q1524 | The horiz. output device Q1528 would short out shortly afterturn on. If set was operated with 90VAC applied, you could service itwithout immediate failure of Q1528. Waveform inspection revealed distor-tion at collector of Q1528 relating to problem in d | ||
| Sony | CCDM8 | CAMERA POWER DEAD, F002 OPEN | All seven units had same problem, camera power dead due toopen F002. | ||
| Sony | CFSW30 | WRONG PART # | M901 and M902 should be two different P/N because one motorgoes CW and one motor goes CCW. | ||
| Sony | CCDV8AF | NO EJECT | Tape jammed in the unit. The loading ring was jammed in theloading end. When I removed the tape, I noticed the tape was broken. | ||
| Sony | KV2682R | NO FUNCTIONS, RESOLDER CONNECTOR WIRES | Set could be turned on. Color, hue, sound, etc. would notwork. Traced signal MD1 from IC101 up to MA, MB board, but nosignal return key 1 or key 2 back to IC. Removed front panel and setstarted to work. We either had a pinched wire or cold joint. | ||
| Sony | SLHF300 | AUDIO INTERFERENCE IN PICTURE | No Beta HiFi recording carrier wave 2 or 4 on Pins 11 and 9of IC3 respectively. | ||
| Sony | CFSW400 | NO PART NUMBER | Missing P/N of cabinet ass'y in S/M. X-3327-907-1 Silver X-3327-908-1 Black -HQ COMMENTS: We will issue a S/B. | ||
| Sony | STRVX550 | PREMATURE SPEAKER PROTECTION | When four speakers were hooked up, the unit would prematurelydisengage the speaker relay - about 20dB setting. We found C721 to beopen and causing the problem. | ||
| Sony | SLHF300 | NO HORIZ SYNC IN CUE/REV | The unit intermittently would loose horiz. sync in the CUE/REVmodes. We found Q504 to be thermally intermittent which allowed phaseoutput to be mixed in with the C/R adjustment. | ||
| Sony | SL25 | INCORRECT CAPSTAN FREE SPEED (PICTURE DISTORTED) | The capstan was running at the incorrect speed in BI, II, III.The problem was caused by IC401/Pins 52, 53, 54 putting out the incorrectlogic. This is the first time I have seen this happen with this IC. | ||
| Sony | KV4000 | INTERMITTENT BAND SWITCH | The unit would intermittently not go into VHF high. We foundIC102/band switch to be the cause. | ||
| Sony | KV1957R | PICTURE OVERLOAD/INTERFERENCE, INSTALL A CAPACITOR | The set would intermittently have an interference in thepicture and sound which would sometimes overload it. The problem wascaused by horiz. noise that was appearing on the U input to the band-switch IC/IC102 Pin 3. The noise was not originating from a |