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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | EVS700U | NOISY PICTURE WHEN UNIT IS HOT | When unit is hot, unit records & plays back noisy recordings.RF envelope OK, compared to good unit. When unit is cold picture appearsOK. When drum/motor ass'y is heated externally the picture deteriorates.This is the second unit to have this problem sh | ||
| Sony | D5 | UNABLE TO READ TCO | The FOP after playing a disc does not return to the startingposition, and when you press PLAY the FOP still does not come to the innerposition. | ||
| Sony | SSU460 | CHANGE IN REPLACEMENT WOOFER | Original speaker is a 1-503-139-11, using a cosmetic skirtaround woofer. Replacement speaker has no skirt, and is a 1-503-139-12. | ||
| Sony | CDP70 | INTERMITTENT DOOR OPERATION | The door would intermittently open and then close again.We found the loading switch S703 to be dirty and causing the problem. | ||
| Sony | TCFX510R | INTERMITTENT OPERATION | Eats tapes, no REW or FF. Unit had been to SSC two times with no problem found. Servicer found IC601 to be intermittent. | ||
| Sony | KP5020 | VERT JITTER ON SCRAMBLED CHANNELS | Problem is intermittent every 10-30 sec. Cust. used ViacomCable Box. Signal strength measured 1000uV for cable and air signals.12dB attenuation stopped jitter but pix was snowy. Waveform check at TP12shows sync pulse distorted. | ||
| Sony | ESR5 | PERIODIC STATIC POP IN TAPE MODE WHEN WARM | Unit would produce a static pop in tape mode through speakersapprox. every 20 sec. Noise was moderately loud and did not vary withvolume control setting. Eliminated problem by grounding shaft of gear(item 273 on pg 27 of S/M) which drained the static c | ||
| Sony | TCFX7 | PART NUMBERS FOR BUTTON ASSY | Page 42 of TC-FX7 service manual. There is no part numbersfor cassette door and button assy. Customer has unit that has beenscratched. -HQ COMMENTS: Cassette Lid Ref. #118 P/N A-2315-016-A Button Assy S805-S811 P/N 1-553-609- | ||
| Sony | ISH777 | TRANSMITTER DOES NOT TURN OFF WITH NO SIGNAL | Xmitter does not turn off after audio signal is not detectedin allowed time. Found Q81 defective. Replaced Q81 unit worked OK.After 2 weeks unit came back with same problem. Unit was replaced withnew one. New unit came back with Q81 defective. Unit | ||
| Sony | SLHFR30 | UNUSUAL FAILURE OF BRAKE SOLENOID | First three units received for service all displayed sameproblem, open solenoid. | ||
| Sony | KV1311CR | RF BLEED THROUGH WHEN IN RGB MODE, READJUSTED RV709 & RV443 | Using an IBM PC hooked up to the RGB/digital connector onthe side of the KV-1311CR and having an antenna hooked up to the TV input,with the computer turned on there was RF bleed on the screen. Looked atthe possibility of IC401 on the B board to be the c | ||
| Sony | TCW7R | NO RECORD DUB/LINE IN RECORD | Poor connection between plug and plug wire where wire is pressfitted to connector. This resulted in no record dub or line input record-ing. Found problem by signal tracing to L107 and RY501 not energized.Found Q822 switching but not Q504. | ||
| Sony | XR15 | WIRING DIAGRAM OF FRONT END BLOCK IS INCORRECT | Wiring diagram of front end block as shown on Page 16 of theS/M is incorrect. Pin numbers are backwards: i.e. #1 is actually #6.Diagram attached to original. -HQ COMMENTS: We will issue a S/B. | ||
| Sony | AVU270 | B+ AND POWER RY ARE REVERSED ON SCHEMATIC | Two lines on the outlet board labeled B+ and Power RY(audio schematic, section G-11) are reversed with respect to each other.+12 volts should be connected to the cathodes of D901, D902 and PowerRY control connects to the anode of D901. -HQ COMMENTS: Thi | ||
| Sony | CPD1201 | SCREEN IS BLUE AND DARK | Screen is blue and dark. Has also occurred on CPD-9000. |