TV Repair: Common Faults and Solutions.
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Results: 87438
Results: 87438
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| 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 0Ω. | ||
| 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 a horizontal 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? | ||
| SONY | SPP60 | Test connector for alignment of rf section | How do you align rf section? | ||
| SONY | SPP50 | Test connector for aligning rf section | How do you align rf section? | ||
| SONY | SPP90 | After grabbing the line, unit shuts down after a few seconds | When talk button on handset is pressed, base unit and handsetgo on-line normally. after about 30 seconds, base unit drops theline and handset goes back to standby mode. if talk button is pressedagain, same situation occurs. | ||
| SONY | SPP80 | After grabbing the line, unit shuts down after a few seconds | When talk button on handset is pressed, base unit and handsetgo on-line normally. after about 30 secs., base unit drops the line andhandset goes back to standby mode. if talk button is pressed again, samesituation occurs. also applies to s/n 226939, 2 | ||
| SONY | TCDD10 | Distorted audio during playback | Plays normal for 30 seconds or so then bursts of static noise,then goes to all garbled static noise, then finally to no sound. some-times after this, it will stop playing and unthread. rec loop-through isfine. i have replaced ic-301, ic-311 and ic-529 | ||
| SONY | XR5000 | No audio on tape left channel | No audio on tape left channel (forward and reverse). radiochannels ok. |