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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDXA30 | UNIT DOES NOT WORK | Unit would blow fuse when disc attempted to play. Found -5Voutput of DC-DC converter was dead. Before replacing converter checkedresistance on -5 line. It was shorted. Removing flex to RF PCB showedproblem was on RF PCB. This is the second unit with | ||
| Sony | CDXR79 | PART NUMBER IS WRONG 2-640-654-03 (GUIDE FEED) | Above part number is wrong. | ||
| Sony | CCDTR5 | VERTICAL JITTER | On playback picture was jumping - vertical would not lock up. | ||
| Sony | D9 | DISC SPINS BACKWARDS | Disc would immediately spin backwards when play is attempted.Adjusting PLL to 4.35 did not correct problem. Replaced IC-502 unitstill did not function properly. | ||
| Sony | KV25DXR | HIGH VOLTAGE SHUTDOWN | Set would go into high voltage shutdown at turn on. Bydisabling hold-down circuit (open up R-571) I had about 11 Vdc onprotect line, 225 Vdc on 200 volt line and 39 KV high voltage. Thepicture was about 3 inches small from both sides and top to bottom. | ||
| Sony | WMD6C | NO MOTOR MOVEMENT | 0.5 Volts across BE junction of Q-601 collector was at 0V.0V was measured from IC-601, pins 12 and 14, to ground - resistance frompin 12 to ground was 0 Ohms. | ||
| Sony | FD45A | PART NUMBER FOR SPEAKER | Part number for speaker in service manual is missing. -HQ COMMENTS: There is no separate part number for the speaker. Itis part of the front cabinet. When you order the new cabinet make sure toorder the correct color cabinet.White X-3336-107-1Yellow | ||
| Sony | PVM2530 | HORIZONTAL LINE ON CENTER SCREEN | Screen appears completely black with the exception of ahorizontal line across the center of the screen. | ||
| Sony | TCWR9ES | QUICK AUTO REVERSE | Unit will not Quick Auto Reverse on both decks as advertisedin the attached brochure. According to service manual, only B deck hasthe circuit for Quick Auto Reverse as shown on the schematic attached. -HQ COMMENTS: Thanks for the info. You are right, a | ||
| Sony | CCDV9 | COLOR DISTORTED AND FLASHING | Color distorted in Play, ok in Pause. Sometimes colordistorted in Pause, ok in Play. | ||
| Sony | CCDV11 | DEW SENSOR ON | DEW sensor on. | ||
| Sony | CCDF40 | POOR PLAYBACK | Playback picture on TV monitor displayed bad heads, but RFenvelope looked good. Traced signal to soft limiter circuit where RFentered but left distorted Q-376, 378 and 379 had no 5V supply. | ||
| Sony | MDP210 | NO VIDEO OR RF | Unit read disc and had audio but no video or RF. Found videoat pin 13 of IC-103 but not at pin 13 of IC-602, nor at Q-610. | ||
| Sony | WMA39 | WRONG PART NUMBER LISTED IN MANUAL | Part number for reference number 904 is listed as1-623-643-11. This is wrong (page 12 of manual). | ||
| Sony | SPPS10 | TEST CONNECTOR FOR ALIGNMENT OF RF SECTION. | How do you align RF section? |