TV Repair: Common Faults and Solutions.
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Results: 87571
Results: 87571
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | KV27TR21 | No color, picture distorted like agc bending, replace c-505 | The picture appeared to have agc problem. placed a videosignal to video input jack and displayed same problem. this eliminatesif and tuner section. in the process of checking wave forms, found nosync pulse for horizontal on pin 48/ic301. further chec | ||
| SONY | KV27HFR | No sync, no color, appearance of agc bending, c-520 | Picture appeared to have sync-agc trouble. placed a videosignal to the video input, and displayed the same problem. thiseliminates if and tuner section. checked video signal through and foundc-520 bad. this is the second set with c-520 bad. closer l | ||
| SONY | SLV353UC | Rkb cam gear alignment | The alignment for the rotary switch in the manual isincorrect. on page 19 of the vhs mechanical adjustment manual ii, item3-25 states to align the square mark on the rotary switch with the arrowon the rkb cam gear. the correct procedure is to align the | ||
| SONY | SRS55 | Missing part number, rubber feet | The part number for the rubber feet is missing in the servicemanual. -hq comments: the part number is 2-129-637-01. | ||
| SONY | KV27XBR15 | Ic101 wrong part number, refer to tvp sb # 92 | The part number for ic101 on a board is incorrect. the numberin the manual is 875963367. the description is m37100m8-815sp. this isthe right part number for this ic, but does not go in this set. thecorrect part number is 875963289, and the descriptio | ||
| SONY | SPP150 | Service bulletin erata | Step one says to remove c552. this part does not exist in theunit. the diagram shown indicates c522 as the cap to be removed. thispart does exist. suggest a corrected csa-12 number 3 bulletin be issued. -hq comments: the capacitor to be removed is c | ||
| SONY | CDXA2001 | Wrong part number for kss assembly | Wrong part number. | ||
| SONY | CFS930 | Wrong motor | Original motor is eg500ad9f, 9 volt, clockwise rotating.when new part received, it has same part number, but is eg530ad9b, 9 volt,counter-clockwise rotating. reversing wires is no good, because regulatorthen works improperly. also, replacement motor is | ||
| SONY | CCDTR5 | No zoom | Zoom gear slipped out of the holder causing the zoom gear notto touch the zoom ring. | ||
| SONY | EVC3 | Tape carriage moves in and out continuously | 1). the tape carriage moves in and out for about one minute,while the drum and reels spin. 2). will not accept cassette. | ||
| SONY | KV27XBR15 | Child picture loses aft lock, replaced if-201 | The child picture looked like it was losing aft lock, after awhile, there would be no picture. found that if-201 was thermal byplacing freeze mist on the if pack, the picture would return to normal. | ||
| SONY | CDXA30 | No motion | No motion. found defective q-107. | ||
| SONY | SLVP30HF | Blue screen or blank screen after a few minutes | After playing back a tape for a while, the tv screen willbecome blue if the monitor output is used, or blank if the line out isused. found that ic-407 on the (ma-27) board had no playback controloutput. freeze spray would cause it to function for a whi | ||
| SONY | SLV70HF | Blue screen or blank screen after a few minutes | After playing back a tape for a while, the tv screen willbecome blue if the monitor output is used, or blank if the line out isused. found that ic-407 on the (ma-27) board had no playback controloutput. freeze spray would cause it to function for a whi | ||
| SONY | SLV50 | Blue screen or blank screen after a few minutes | After playing back a tape for a while, the tv screen willbecome blue if the monitor uptput is used, or blank if the line out isused. found that ic-407 on the (ma-27) board had no playback controloutput. freeze spray would cause it to function for a whi | ||
| SONY | KV1743R | Tuner locks up | Tuner was locked up on channel 5. when channel button waspressed, the picture from other channels would appear for an instant, thenrevert back to channel 5. volume and power would not function. | ||
| SONY | STRVX750 | No operation | No operation, no display, but standby indicator does light up.problem may be intermittent. same problem happens on strvx550. | ||
| SONY | KV1943R | Tuner locks up, rubber contact, 9-919-577-00 | Tuner was locked up on channel 5. when channel button waspressed, the picture from other channels would appear for an instant, thenrevert back to channel 5. volume and power would not function. | ||
| SONY | STRVX550 | No operation | No operation, no display, but standby indicator does light up.problem may be intermittent. same problem happens on strvx750. | ||
| SONY | CCDV9 | Incomplete loading of tape | Unit would load approximately half way, then stop. if lightpressure was applied to top lid, loading would continue, but stop againwhen mechanism was a little lower. eject worked fine. when using modeselector box, unit loaded and unloaded properly, eve |