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 | CFD5 | In repeat mode, tape deck operated abnormally | Tape player worked fine with direction mode sw in normal.when sw placed into repeat mode tape would start then stop, changedirection, then play. | ||
| SONY | CDP27 | Disc won't spin properly | There is space between arm assy and motor spindle. | ||
| SONY | KV1395 | Audio output failures, see sb 291r2 | Original audio outputs failed, and were replaced with newones. they failed again after two weeks. please advise. -hq comments: tech. s/b # 291r2 was released on this subject accordinglyvalues of the following components have to be changed:r254: from 27 | ||
| SONY | XR37R | Erratic display | Tape ok, am ok. on weak fm station, the display may remainstable for some time and then go erratic. on normal fm stereo station,the display will first be normal. then the audio mutes (when q513 basegoes low) and a second later the display begins flash | ||
| SONY | STRAV760 | Right channel not switching between mm and mc | The customer complained that the right channel was louderthan the left in the phono mode. we found the problem to be caused byr554 in the mm/mc input switch. it was open. | ||
| SONY | ITA500 | Premature shut off of icm | When in vox or cpc modes the unit shuts down the icm even ifcaller is still talking. this appears to be due to very low level noisecoming in on the telephone line. the gain of the first stage (ic206pins 3-4) is very high causing a 10mvp-p signal at pin | ||
| SONY | CCDV8AFU | Q-810 on hd6 board doesn't fit | Original part on hd-6 board (-12) is a different type zk69,which is physically different from the 2sa1242lb. -hq comments: please cut the leads on the 2sa1242lb in order to makeit fit. tokyo is considering replacing the 2sa1242lb with the originalzk69. | ||
| SONY | KV1915 | Intermittent muting of audio | Audio level drops to about 1/4 of normal. set did not looseaudio several days. on a dark scene audio was muted but when switchedback to very light scene came out of mute. found on s board that whensound was muted q105 was turned on and q107 was turned | ||
| SONY | D10 | Does not play compact discs over 60 min. | D-10 will not play grateful dead compact disc made by warnerbros. record inc. playing time is over 60 min. -hq comments: this has happened with a few other discs as well.however, some discs over 60 minutes will play. we've also found thatwhile a parti | ||
| SONY | KV2786R | Service manual error, ic-1112 and ic-1113 | The parts ic-1112 and ic-1113 are labelled wrong in the s/m.but are correct in the parts list of the manual. both are marked assn74ls04. but one is a buffer the other a flip-flop. if the wrong partis used the p-i-p function will not work. | ||
| SONY | BMC220 | Intermittent record | During playback, picture would blank out. during record alsothe tape was being erased. | ||
| SONY | TCFX410R | Line input switched to output in rec or pb | Signal at the line in jack is always coming out the line outjack. even when unit is put in play mode, the input signal is switched tothe output. | ||
| SONY | EVS700U | Rs-26 board replacement | Shuts down in rew/ff and play. won't eject. | ||
| SONY | CCDV8AFU | Won't eject tape | Won't eject or load maxell p6-120. | ||
| SONY | CCDV3 | Adjustment for battery failure | Procedure in manual will not work. unit will not evenoperate. | ||
| SONY | FD42A | Picture displayed keystone, q602 | Picture displayed keystone problem, more severe with batteryoperation than with ac adaptor. see picture. picture severely pulled intoward center at top of raster, from both sides. waveform at collector ofq602 was distorted. resistance between e to b | ||
| SONY | KP5000 | Vertical problem when watching copy guarded tapes | When playing back some copyguarded vhs tapes the kp5000 willloose vert. lock. approx. every 45 secs, it pulls down about 3/4 inchesthen will lock back in. no vert. jitter. -hq comments: copyguarded tapes can and often do cause problems. thesolution w | ||
| SONY | KPR41DS1 | No right channel audio,speaker wire disconnected | Right speaker disconnected. the wire loom that includes theright ch. speaker wire appears to be shifting in transit, and pullingthe speaker wire off of the speaker. suggest better support be installedto hold the wire bundle more securely. -hq comments | ||
| SONY | KPR4150 | Broken speaker grille chips | Please note the attached parts. these are mounted to thespeaker grille and hold it in place. sometimes the clips get damaged inshipping, etc. and it becomes necessary to replace them. is there aseparate part number for the clips or must the whole gril | ||
| SONY | ITA600 | Intermittent noise on handset only | Loud background hiss on handset intermittent. found c308was pushed down by top cabinet causing the positive lead to pop throughits solder joint. |