TV Repair: Common Faults and Solutions.
Search:
Results: 87417
Results: 87417
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | FD20A | No picture, replaced leaky c603 | No picture. | ||
| SONY | KX2501 | Intermittent shut down, replace hvr block | Unit would shut down intermittently. | ||
| SONY | KV9200 | Retrace lines on dark screen | This unit had retrace lines with brightness control turneddown. | ||
| SONY | KV5300 | Tuner assembly touching fuse holder | Tuner assy touching fuse holder f601. repaired six units withsame problem. | ||
| SONY | KV2675R | No vip, reset procedure | Set snaps then vip will not work, screen scrambled (1 end-user, 2 dealers). also, ic104 (cx7958) will kill remote (another set).snapping seems to come from pix tube. -hq comments: as a first approach to the problem, please perform thefollowing reset pr | ||
| SONY | KV2670R | Incorrect display (aux) on the screen, use kv-2675r remote | On screen display the following display selections muting,sleep, channels were displayed but aux. appeared also. this happenedwhile the dealer was demonstrating the kv-2670r and i was observing.end-user came in also and wanted to know how to get rid of | ||
| SONY | KV2670R | Unit will not shut off, "a" board ic-103 replaced | Unit will not shut off. | ||
| SONY | KV2648R | No picture nor sound, resolder inside prescaler(btp981) | No picture nor sound, snow, vc control not working (0 volts). | ||
| SONY | KV2145R | Pic folds over at top, replaced d504/505/506 | After two hours, picture folds over at top. replace 10kΩ resistor (r520) as per form of feb. 1984 but problem still occurred. | ||
| SONY | KV1975R | No vip function, replace ic105 | Two units without vip function. remote, pix, sound andchannel display ok. | ||
| SONY | KV1975R | No vip function, reset ic 105 | Servicer had two kv-1975r in which vip would not function.used the following procedure to reset the vip circuit. | ||
| SONY | KV1970R | Aux displayed on the screen, see sb 208r1 | Aux character is displayed on the screen. the character can be turned off by using the rm-718 remote control unit (the tv is supplied with the rm-717 remote commander). | ||
| SONY | KV1947R | No color on channel 5 only, 73mhz trap installed | No color on channel 5 only. this may be due to the fact thatthe cable company refuses to make cable connection to user unless thecable convertor box is used. | ||
| SONY | KV1924 | Intermittent shut down | Three spots on pix tube caused by an intermittent shut-down.customer keeps watching until spots get bad. servicer has had two andi know of 3 more. | ||
| SONY | KV1922 | No audio nor video | Set has no audio nor video. | ||
| SONY | KV1922 | No raster | At full voltage, output (horiz) transistor would get hot andthen short. found the horiz. drive (q507) signal was distorted. tracedproblem to c526 (leaky) causing bias to change on drive transistor. | ||
| SONY | KV1711 | Intermittent vertical and distorted picture | Vertical intermittent. pix moves up, changes linearity andshakes. | ||
| SONY | KV1547R | Vhf tuning drift and uhf no tuning | Unit displayed several problems: on vhf high and low channelswould drift, sound would mute, unable to get uhf, not all uhf numberswould display. found catv switch intermittent. with switch in thenormal position 2.4vdc would appear on ic001 pin 39 (sho | ||
| SONY | KV1354R | Dark picture, replaced c-556 and r-557 | This unit had a dark picture caused by c556 shorting andopening r557 in the 800v line. | ||
| SONY | KV1331 | Dark picture, replaced d-513, r-557 | This unit had a dark picture. |