Dicas Reparação
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP390 | INTERMITTENT NO FOCUS SEARCH OR LD ON | Intermittent no focus search or LD on when loading disk. | ||
| Sony | SLV575UC | TAPE GOES IN PART WAY AND EITHER JAMS OR EJECTS OUT | Tape goes in part way and either jams or ejects. Tapedoor was not opening. Found door release assembly loose from snap onholders. This is the third unit I have received for repair with thisproblem. | ||
| Sony | CCDF55 | SOMETIMES NO THREADING - MAY/MAY NOT START AFTER THREADING | Sometimes no threading, if it threads it may or may not start.If it starts, play may stop. Freezing SS-100 board would duplicate. | ||
| Sony | CCDF55 | WOULDN'T GO INTO RECORD POWER UP | Unit will not go into record power up. S-900, the Stand-byswitch had cold solder joints. | ||
| Sony | CCDTR7 | VERY JUMPY | Very jumpy, looked similar to tape path off except worse. | ||
| Sony | APM007AV | LOSS OF POWER | After approximate one minute, AMP LED fades and audio cutsoff. This unit has an audio detect circuit that should cut power off whenno audio is present, but it cuts off even if there is audio. Audio wasgoing into Q-301 but not out. I have seen this thr | ||
| Sony | TAAV501 | NO AUDIO/INTERMITTENT RIGHT LEFT | No output on right channel. Noticed audio on tone input line(R) (CN-513 pin 3) was shorted to ground. Found that metal shielding onfront panel beneath volume control connector (CN-402) was shortingconnector pins. | ||
| Sony | CDP203 | DISPLAY LIGHTS UP STRANGELY - NO FUNCTION | When power is pushed, the only result is that the displaylights up with abnormal figures. No Play or Eject. | ||
| Sony | CDX7580 | #6 PRESETS & SHUFFLE PLAY INOPERATIVE | CD shuffle play inoperative #6 AM & FM preset memoriesinaccessible. | ||
| Sony | WMD3 | NO REWIND - CLICKING NOISE | Loud clicking noise and no Rewind function. I found therewind gear to be cracked on the under side of the gear. This caused aproblem with the gear meshing and slipping. The noise is from the gearnot meshing and slipping is due to the gear not fitting | ||
| Sony | WMF75 | NO TAPE AUDIO; SLOW SPEED - RADIO WORKS OK | The tape speed was slow and there was no audio when playingback a tape. The radio worked ok. We found the problem to be a shortbetween the head Ground wire (black) and the chassis ground. On thisunit the black head wire is not at chassis ground potent | ||
| Sony | CDP390 | AFTER 30 MINUTES-SOUND FADES BECOMES STATIC AND SAYS NO DISC | After playing for 30 minutes, the sound fades and becomesstatic then stops and Display says No Disc. | ||
| Sony | CDX7580 | CANNOT INSERT CD | Cannot insert CD two instances. Refer to page 38 of servicemanual. Condition: Item 341, rear A bracket, bent toward rear of unit.This allowed finger of 413, which travels in slot of 341 to also moverearward. With that movement, rear surface of 313, th | ||
| Sony | CDX7540 | NO AMBER ILLUMINATION | No amber illumination. Open Q-405 switching transistor.Green illumination was ok. | ||
| Sony | KV10FMR20 | RESISTOR R-646 NOT LISTED IN SERVICE MANUAL | Have a unit with a defective R-646. This resistor is notshown in the schematic or listed in the parts listed. Please advise. -HQ COMMENTS: According to Tokyo, this value should be 100 ohms.This resistor is in parallel with R-617 (located on the schema |