TV Repair: Common Faults and Solutions.
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Results: 87420
Results: 87420
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | CCDV110 | Vert roll in viewfinder intermittent | Intermittent roll in viewfinder. | ||
| SONY | CCDV110 | Intermittent loss of picture | After 2-3 hours unit would loose video. found to be tapsensitive. always ok when cold. | ||
| SONY | EVS700U | Won | Drum was stuck, could free drum but would stick again. drumalso noisy. | ||
| SONY | CCDV8AFU | Intermittent no pix in viewfinder | Intermittently no picture on viewfinder when camera poweredup. this would only occur at power up cold and would clear after a fewmins. would not occur again all day. found complete loss of 28 mhz osc.play back picture fine. | ||
| SONY | EVS700U | Noise specks in play | Noise specks in play, noise bar in slow determining ch. 1 headoutput weak. most apparent in lp mode. | ||
| SONY | EVA300U | Erratic video | Unit had erratic video. found problem to be bad heads. | ||
| SONY | CCDV8AFU | Pix tears | Picture tears and breaks up. | ||
| SONY | HVL80D | Missing part number | Need p/n for shaft located in front of ref #20 on page 18. -hq comments: p/n is 2-398-010-01. | ||
| SONY | EVS700U | Shimmer in picture | Picture appears to shimmer or quake horizontally on p.b.prerecorded tapes look better than those recorded on the machine. this isa very subtle shimmer but is aggravating to watch for more than a fewminutes. | ||
| SONY | SL8200 | Part number needed | Do we have part number for 1) lever compression 2) lever3) ass -hq comments: sorry, but due to age of the unit, these parts are nolonger available. | ||
| SONY | KV25XBR | Vertical foldover at top of screen | Vertical foldover at top of screen with overscan. foundslight distortion in waveform at dy-3 pin 1. all voltages normal with theexception of collector of q1507 being 40v instead of 62.4v as received. | ||
| SONY | KV2643 | Very low brightness, replaced r2217 | Sub brightness set to max and still not enough lum level.installed two cx556 (ic301) on a board and still no 1.5v on pin 26, 27,28. voltages read about 0.4vdc but the ac component was present. | ||
| SONY | CPD1302 | Slight bend in vertical lines | Very slight bend in vertical lines at top one inch of screen.i was suggested that i try to modify afc circuit to resolve complaint. | ||
| SONY | KV2791R | Dead, replace yoke | This servicer called for assistance after the following partswere replaced and the set still did not work. ic1601, t501, q511, d515,d516, ic501, r555. in assisting servicer to locate problem i noted thatthe waveform on the collector of q511, hot, was d | ||
| SONY | SLHF600 | Rent tape noise (hum) hifi | Three pre-recorded tapes sent - audio hum on pb. -hq comments: we will evaluate the tapes, then contact you. | ||
| SONY | D7 | Skipping | Unit skips. replaced laser. now laser stays on in servicemode. when hit play, unit drives sled to outer edge and spindle motorruns fast. -hq comments: laser normally stays on in service mode. with set inservice mode, check all adjustments. sled sho | ||
| SONY | D7 | Unit will not play - pll not correct | Pll only measures 7khz. changed ic601 and subboard. -hq comments: there are several different pcbs for the d-7. along withthe board changes are changes in the method of measuring pll. pleasecheck supplement s/m. the key is to measure pin 70 at ic 601 | ||
| SONY | CCDV110 | No camera power | No camera power, vtr power ok. | ||
| SONY | CCDV110 | Dead | No power. | ||
| SONY | CCDV110 | Dead | Unit dead. |