| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | PCM501ES | AUDIO MUTES AND NOISE IS HEARD | Playback muting would switch on and off after unit would heatup. This would take about 10 minutes to occur. | ||
| Sony | PVM1910 | HORIZONTAL TEAR | After two to three hours, picture would go into a horizontaltear. Found 15V regulator breaking down. | ||
| Sony | ICF7601 | NO SOUND; STUCK ON SW2-10 | The unit had no sound, was (stuck) on SW 2-10 and would notturn off. We found a solder splash across Q-20 which apparently was thecause of IC-2 and D-16 being defective. Replacement of these threecomponents (Q-20, IC-2, D-16) resolved the problem. -HQ | ||
| Sony | KV1396R | INTERMITTENT PIX/SND, REPLACED IF BLOCK | We have seen several units with an intermittent pix/sndproblems that have been isolated to the IF module. While replacementresolves the problem, it is good to check the two electrolytics inside themodule. They may be positioned in such a way as to inte | ||
| Sony | KV2095R | NO/POOR TUNING, REPLACE R-591 | The unit appeared to have no/erratic tuner operation. Theband switch supply/9V was running at 7.8V. We found R-591 in the supplyto have increased to 10 Ohm. | ||
| Sony | SLHF400 | LOSS OF HORIZONTAL HOLD IN REV/CUE AND PAUSE | We have seen several units that have poor horizontal in REV,CUE and PAUSE. | ||
| Sony | CCDV8AFU | NO A/V PB, CAM REC, AUDIO E-E, FF/REW AND SLOW EJECT | 1) When eject it takes 7 seconds to start unthreading. 2) NoCAM REC audio EE. Picture ok. 3) No video and audio PB. 4) No F/F andrewind but Cue/Review is ok. Found pin #36 IC-102 (VI-6 Bd.) only 3V,normal should be 4.9V. Traced 3V came from IC-401 pin | ||
| Sony | EVA300 | PART NUMBER CORRECTION | PS-101 has the wrong part number on page 124 of the servicemanual. It should be: 1-532-727-11. -HQ COMMENTS: We will investigate this and issue a correction. | ||
| Sony | WMD6C | EXCESSIVE WOW AND FLUTTER IN AUTO-SPEED MODE | Excess wow and flutter in auto-speed mode. Manual speednormal. Flywheel shows wear pattern. | ||
| Sony | CDP507ESD | CDP507ESD STATIC ON SOME DISCS | Static is heard on some discs between tracks or before themusic starts. | ||
| Sony | CDPC100 | XA10B SCRATCHES DISC | XA10B would scratch disc because of a piece of wire inbeddedinto one of the magazine leaves. The wire stuck out about 1/16th of aninch. | ||
| Sony | ICF2010 | REPAIRABILITY OF UNITS | Many units have been received with various problems, and dueto the nature of problems and product, have been unrepairable. Requestsome form of product training, troubleshooting guide, and/or circuitdescriptions. -HQ COMMENTS: Training was given on this | ||
| Sony | ICF2001 | REPAIRABILITY OF UNITS | Many units have been received with various problems, and dueto the nature of problems and product, have been unrepairable. Requestsome form of product training, troubleshooting guide, and/or circuitdescriptions. -HQ COMMENTS: Training was given on this | ||
| Sony | TAN77ES | PROTECTION LIGHT ON | Intermittent protect light. | ||
| Sony | CDP110 | INACCURATE AND MISSING PROCEDURE IN SECTION 2 OF CDP110 S/M | 1. RF PLL freq. adj.: serial/Parallel TP must be graded forthis procedure to work. 2. No. 6 should read 4.2818mHz instead of4.3218mHz. -HQ COMMENTS: You are correct. For future cases please refer to theCDP Alignment Manual that Rick Heal wrote. Page |