Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SL25 | EXCESSIVE DRUM SPEED, PICTURE DISTORTED | Drum speed excessive. There was approx. +10VDC on drum errorline which should be about +6VDC. Drum free speed control had no effect.Checked drum PGS and found PGS pulse missing, checked PG coil and foundit open. | ||
| Sony | XR40 | NO PART NUMBER FOR FLEX CONNECTOR | Part number for flexible connector which connects the powerboard to the display board is not given in the service manual. | ||
| Sony | SL2300 | SERVO WILL NOT LOCK UP | Both units, servo will not lock up. On the SS-25 board theconnections at R12 and R17 were carbonized. Removed the old solder. | ||
| Sony | D5 | SLED LIMIT SWITCH MALFUNCTION | Unit would not play discs. When PLAY was pushed, the FOPwould move outward a fraction of an inch and stop. Measuring resistancebetween the gray lead from S903 and metal parts of the sled motor assy,we were reading approx. 400 ohms. | ||
| Sony | RS30 | NO OGM RECORDING | The unit did not record OGM and the 1kHz beep was always on. | ||
| Sony | CDP200 | TOP JUMPS ALL OVER THE DISC | After one hour of playing, the unit started skipping and theTOP jumped all over the disc and finally went to the outside.Observed the tracking error waveform. It was jumping like crazy. | ||
| Sony | CDP101 | FOCUS COIL OSCILLATES | After one hour of playing, the unit started to skip the discand rejected it. The objective lens was making the cracking noise. | ||
| Sony | TC152SD | NO FF/REW | The unit did not rewind or fast-forward. | ||
| Sony | CDP111 | NOISE IN AUDIO | There was noise in audio. It sounded like there are a lot ofdropouts on the disc. | ||
| Sony | ICF4910 | SW DOES NOT STAY ON | AM and FM work fine, but the SW mode does not stay on. Whenpressing the SW button, the function seems to switch to SW but it doesnot stay in SW. | ||
| Sony | KV25XBR | MISSING PART # | Please obtain part number for chassis plastic frame andshield sections. -HQ COMMENTS: The part numbers you need are as follows:AC Supply Case (Main) 4-374-138-02AC Supply Case (Top) 4-374-133-01AC Supply Case (Bottom) 4-374-134 | ||
| Sony | CDX5 | NO PART NUMBER - ROLLER PIN | Pin dropped out. -HQ COMMENTS: The part number is A-3239-289-A. The roller assy includesit. We have already issued a S/B (Car Stereo #47). | ||
| Sony | KV2657R | NO PIX | Same dealer had 3 sets out of box with no raster. Sets hadsound and H.V. They found a crack on all 3 boards in the same spot. | ||
| Sony | TCD5-M | STOCK DEFECTIVE PLAIN BEARING ASSY | Servicer reported and showed me 3 plain bearing assy he hadreceived from KC that were defective. When put in TC-D5 unit would runfast. In each case he found fine wire broken. States that he never hadthis problem with others until KC started loose pack | ||
| Sony | STRAV560 | NO AUDIO OUTPUT | No sound output. Display and all tuning functions workedwithout error. Audio signal was at the input of IC602 ASP chip but nosignal was being switched out. Found Pin 21 clock signal being held at4.8VDC. Traced this voltage back to main board to Q221. |