TV Repair: Common Faults and Solutions.
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Results: 87426
Results: 87426
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | EVC8U | Noisy picture (playback) | Tape recorded on this unit played back ok on another unit. inplayback mode, picture very noisy, looked like a de-tuned picture fromtuner. inspection revealed excessive noise on pins 12 and 13 of ic-101,ar-4 board. also, noise present on 5 volt line on | ||
| SONY | D10 | No spin and no movement of optical assembly | The turntable spins very weakly and makes very loud noise.the spindle motor was moved inside between two motor brackets. the sledmotor does not move at all. | ||
| SONY | KV2785R | Distortion in stereo mode, attn suggestion | The unit would occassionally develop distorted audio in bothchannels when in the stereo mode. it sounds as if there is an audio out-put starting to break down - popping, crackling, distoriton. the problemwas particularly pronounced on ch. 4 which is ve | ||
| SONY | CDP750 | Fop assembly does not meet disc | Fop assembly does not come up to meet disc. | ||
| SONY | D3 | No output | No output, no 9 volts to regulator. | ||
| SONY | ITA600 | Telephone does not go off line | On some telephone systems, unit would not release line whenhung up. found d303 to be leaky. | ||
| SONY | EVA300U | Incomplete replacement board | After replacing ss-38b bd., the remote control worked inter-mittently. while in play, if search button was held down the unit wouldgo into scan for about 1/2 sec. this would repeat about every 3 sec. intracing the remote signal from the timer board to | ||
| SONY | KV2650RX | Missing part number, cp003 1-417-087-00 | Part number is missing from service manual. | ||
| SONY | KV2649RX | Missing part number, cp003 1-417-087-00 | Part number is missing from service manual. | ||
| SONY | KV1953R | Missing part number, cp003 1-417-087-00 | Part number is missing from service manual. | ||
| SONY | KV1948R | Missing part number, cp003 1-417-087-00 | Part number is missing from service manual. | ||
| SONY | KV1222 | Missing part number | Part number is missing from service manual. | ||
| SONY | XR530 | No audio output - amplifier ic fails | Intermittent failure of output ic after several minutes ofoperation. low frequency oscillation with volume turned up, not obviousat lower levels. | ||
| SONY | KPR4110 | B+ fluctuates between 135v and 50v, replaced ic-8 | The b+ line keeps fluctuating from 135v to 50v continuously.found 18v line fuse f3 on (e) board open caused by a shorted audio outic8. also pertains to serial number 7003297. | ||
| SONY | KV2680R | S/m drawing error on bridge rec s3wb60z, see s/b tvp007 | The basing diagram for the bridge rectifier is wrong in themanual. this error exists in all other listings for this s3wb60z(8-719-503-06) bridge rectifier. | ||
| SONY | PVM2530 | Set trips ground circuit breaker | When plugged in, a ground fault interrupt breaker set is instandby. it will only turn on by remote. when it turns on, breaker pops. -hq comments: if capacitors c604, c612 are leaky, it will trip circuitbreaker in ground line. it may not show problem | ||
| SONY | KV2080R | Convergence, replace q706 on "c" board | Unable to converge (red). looking at a cross hatch, red wouldnot converge, also looked little out of focus. blue and green were ok.servicer had already replaced picture tube. changed h-stat, did not help.changed (red) driver transistor, resolved probl | ||
| SONY | FD270 | Battery cover part number | The manual does not show a part number for the battery cover. | ||
| SONY | KV2783R | Part number missing, pincushion q-553 | Manual does not show a part number for the pincushion outputtransistor. schematic calls for a 23d1134, in the set is a 2sd1406. | ||
| SONY | SLHF900 | Chassis sub assembly | A-4910-049-a (reel motor) board does not line up for mountingon chassis sub assembly, part number x-3691-643-3. holes are off. threeparts tried, none would fit according to technician. i tried and alsofound none would fit. -hq comments: refer to serv |