Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TCWR820 | MECHANICAL GRINDING NOISE - DECK DOESN'T OPERATE | Received a couple of units with gear grinding noise.Disassembled deck could not find anything wrong. Reassembled and problemstill exists. Found piece of rubber bottom of unit and investigated whereit went. | ||
| Sony | KV27XBR50 | SM STATES UNITS HAS PIP, THIS IS INACURATE INFORMATION, | Service manual of this model, pages 9, 10, 11 containsinstructions on PIP feature whereas this model does not have it. Pleaseexplain. -HQ COMMENTS: You are right, this is a mistake in the manual. | ||
| Sony | D66 | UNIT SKIPPING | Unit is skipping. | ||
| Sony | D66 | DISC WOULD NOT SPIN - SPINDLE MOTOR JAMMED | On this unit spindle motor jammed down too low and will notspin. On two other units, spindle motor makes a slight clicking noise andtracking error waveform does not look too good. | ||
| Sony | CDPC700 | CLOUDY LENS IN NEW KSS-150A | Pulled a new optical block out of stock and noticed it had acloudy lens. I did not use it. | ||
| Sony | CDP55 | DOOR OPENS BY ITSELF | After the first repair in which the belt was replaced, thecustomer complained of the same problem. 1. After opening the tray totake out a disc, the tray will close by itself before another disc can beput into the tray. 2. Tray opens by itself. | ||
| Sony | SLHF900 | CAN PLAY PRE-RECORDED TAPES BUT NOT TAPES RECORDED ON ITSELF | Unit would play pre-recorded tapes but not tapes recorded onitself. | ||
| Sony | KV27XBR10 | INTERFERENCE PATTERN ACROSS SCREEN, REPLACED COMB FILTER | Interference pattern across the screen which looked likesignal overload. Scope shot looked ok at input, pin 2 CM-1301, but noisepresent at output pin number 6, Y out. Suspected this part was bad. | ||
| Sony | MDP200 | NO CLV LOCK ON CD - NO PLAY - LD OK | Unit plays LD but not CD. Looked like CLV servo problem. | ||
| Sony | D90 | RUNS IN TEST MODE, SHUTS DOWN IN NORMAL OPERATION | Unit would achieve focus, sled would move toward center ofdisk and continue reading T.O.C. data then shutdown. Looking at RF testpoint, showed signal typical of T.O.C. area: FOK, Sense, H. in signalsappeared normal. | ||
| Sony | CCDF55 | WON'T THREAD A TAPE | Intermittently, drum won't start. | ||
| Sony | CCDF50 | NO CAMERA OR PLAYBACK VIDEO OUT | Unit had no camera, playback or EE video. Signal was goodgoing into input select IC-362 pin 28 (VA-Board). Video looked clipped atpin 11 and no signal was present at pin 4. Changing IC-362 had no effect.Found no serial data I/O at pins 20-23. Traced | ||
| Sony | CCDF40 | NO CAMERA OR PLAYBACK VIDEO OUT | Unit had no camera, playback or EE video. Signal was goodgoing into input select IC-362 pin 28. (VA-40 Board) Video looked clippedat pin 11, and no signal was present at pin 4. Changing IC-362 had noeffect. Found no serial data I/O at pins 20-23. Tr | ||
| Sony | CDP590 | NEED PINOUT FOR IC-401 | Can you supply us with a description of the pins on this IC?Which are inputs, which are outputs, etc? -HQ COMMENTS: Cannot locate pin out of this IC in any similar models.Will fax Tokyo for information. TO TOKYO: Could you please send block diagram and | ||
| Sony | KV27AVR | MISSING INFORMATION FROM SERVICE MANUAL | Vertical bias adjustment procedure: On service manual pageM-49: step 3 does not inform where the 16.5 +/- 0.1V test point is. -HQ COMMENTS: Please add the following information to your servicemanual: Step 3. Connect digital multimeter across DY connecto |