Sony TV Repair: Common Faults and Solutions.
Search: Sony
Results: 20067
Results: 20067
Sony Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | KV2691R | Muted picture and no vip operation and no remote, d-062 | The picture was muted and sometimes after warm up pix wouldcome on. ic052 pin 2 was high. found d062 installed backwards atfactory. d062 was installed cathode to b+. the board and the boardlayout show the diode anode to b+. the schematic shows catho | ||
| SONY | SL10 | Solenoid plunger | The original part # 1-454-349-41 was subbed to 1-454-365-51.the new solenoid fit the unit, but the collar on the plunger would notclear the mounting pieces on the unit. the original plunger had nocollar. we need to have the plunger changed on this sub. | ||
| SONY | WMF15 | Damage caused by battery | Negative end of battery heated up and pushed cabinet out. -hq comments: new batteries from eveready and duracell may have shortedinside the unit. they have a plastic skin instead of old metal. underthe skin is the positive cylinder, and negative termi | ||
| SONY | KV2691R | Dark band across crt, replace q-204 | The unit had a dark band across the crt about 2/3 up from the bottom. the colors were also weak and somewhat out of phase. | ||
| SONY | SLHF600 | Distortion on beta hifi | Problems with beta hifi playback and record. customer livesless than 1/2 mile away from a broadcast station transmitting on 1350kc.traced problem to the cable tv line that was hooked up to the fm input ontheir denon dra-400 receiver. the denon had a 75 | ||
| SONY | KV1972R | No manual control, replace ic105 | All front panel controls on the unit became inoperative (snd,pix, chan, pwr), however, the remote worked on all functions. | ||
| SONY | KV2680R | No vip, replace ic-105 | No vip operation. all other functions worked correctly. | ||
| SONY | KV1390R | Shutdown, replaced r559 | The unit would go into immediate shutdown. we shorted c535 todefeat the shutdown circuit and then ran the unit up on the variac. allother circuits were functioning properly. | ||
| SONY | KV1993R | Locked in one mode/no channel change, replace v out ic501 | The pll controller/ic103 was locked up. the channels wouldnot change and audio/pix outputs were at minimum. we found the verticalpulse to be missing at the controller/ic103. this was caused by adefective vertical output/ic501. | ||
| SONY | XR75 | No fm | This unit had no fm, all other functions worked fine. foundthat there was no output from the prescaler to the pll. | ||
| SONY | BMC110 | Slow startup of audio erase function | At the beginning of a recording, old audio would not beerased for approx. 14 seconds. after this time, normal erasure ensued. | ||
| SONY | SL2305 | Intermittent tape jam in eject mode | At times, when ejecting cassette, the tape would not be takenup completely and would get stuck in the deck area. viewing the ejectoperation, i noticed that the tape was always lagging behind the threadingring, sometimes more than others. this caused th | ||
| SONY | KV25XBR | Intermittent distorted display on screen at random | After set got warm, on occasion the channel numbers mightflash on and off on the screen. also, weird words appeared on the screenwhere you normally would view the time and date. there was no set patternof words nor did they spell out anything, just a j | ||
| SONY | CCDM8 | Capstan motor failure | Capstan free running, no control. c fg (+) missing, connectedto pin 19 of su-16 board. | ||
| SONY | KV25XBR | Dead unit | Unit came in dead. found rectifier shorted, d655 on gb bd.still did not have 140vdc. convertor output okay, problem has to be t652or t653 on gb bd. i could see connector output up to c655 on ga bd(both sides) but not on t653 or t652. not sure which o | ||
| SONY | KV1992R | No memory, replaced r609 | No last channel memory. no channel add-erase. set wouldcome on with various volume levels. | ||
| SONY | KV2675R | No power on with remote, ic-050 on "t" board | Unit would not turn on with rm-718 remote. all other func-tions ok. unit would turn on at front panel, and after set was turnedon, all functions on remote and front panel operated properly. unitwould not respond to this one function only. | ||
| SONY | KV2601 | Sub part | Kansas city is supplying a 2sc3559 (p/n 8-729-204-94) perthe latest microfische. the new part is a t047 case style instead of thet060 original. installation of the new part requires use of spaghettiinsulation on the leads, and looks terrible. -hq comm | ||
| SONY | SLHFR30 | Green color during pause and betascan | Color shifts to green during pause and betascan (ff and rew).pin 9/ic4 on yc-30 board chroma ok during pause and betascan but outputpin 11/ic4 chroma is bad during pause and betascan. | ||
| SONY | SL30 | Betamax antenna switch failure | Antenna continues to feed thru to vhf out connector while unitis in playback mode. this problem is showing up on several models usingthe same switch. the customer is often on cable. some units that havefailed have less noticeable leakage thru the swit |