TV Repair: Common Faults and Solutions.
Search:
Results: 87420
Results: 87420
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | SL3030 | Blanking bar ghost and christmas tree effect | This unit had a problem with a blanking bar ghost and christ-mas tree effect in the picture through the tuner on e to e mode only whencable signal was connected. the picture was good on a regular antenna. | ||
| SONY | KV25XBR | Button part numbers missing | The part numbers for the aux/ant and the cable on/off switchbuttons are not in the manual. the two above mentioned buttons are notpart of the switches and do not come with the assembly #63p/n 4-374-151-01. i need these two buttons (rush). -hq comments | ||
| SONY | EVC8U | Counter does not work | Counter does not work. | ||
| SONY | CCDV8AFU | Unit shuts down in ff or rew | Will ff or rew for about 100 on counter, then unit shuts off. | ||
| SONY | XR740 | No display | Unit had no display, no scan down, no #6 position. | ||
| SONY | CCDV8 | No color recording | No color in e-e or recording. playback of pre-recorded tapesok. | ||
| SONY | SLHF400 | No pix only noise in scan | After warm up in the scan mode picture breaks up. playbackfine. | ||
| SONY | KP5020 | Missing resistors cause overscan | A new g board was installed to replace a cracked one. the newboard caused the unit to be overscanned by about 20%. we found theproblem to be caused by missing resistors. these were r814 and r815 inthe 110v regulator. this caused the b plus to be exce | ||
| SONY | KPR4110 | Wavy lines in background, replaced the screens | During scenes with a white or light solid background thereappeared wavy lines in the picture. at first the problem appeared to beelectronic in nature. however when removing the back and shining a fairlybright light on the back of the screen it was poss | ||
| SONY | KV1972R | Grainy picture, adj aft t203 and replace ic201 | Picture was slightly grainy and sound on ch. 11 was intmtlydistorted. we found that the aft up was continually active. | ||
| SONY | FD2A | Scalloping on lower third, replaced ic851 | After the set had been on for about 30 - 60 minutes the lowerthird of the screen developed a scalloped appearance which gradullybecame more severe. we found the problem to be ic851. | ||
| SONY | KV25XBR | Horiz. output shorts | The unit came in with a shorted horiz. output. a replacementtransistor shorted immediately. the flyback was tried with no success.we then ran the unit with only 55v on 140v line. this was accomplished bydisconnecting the control winding on t652/ga bd | ||
| SONY | KV1943R | Poor horiz sync on weak stations, replaced rv501 | The unit worked fine on strong signals. however, whenreceiving a weak signal the horiz. sync would be poor. we at first lookedat the ic, but the problem turned out to be rv501. it was very noisy. | ||
| SONY | PSLX510 | Thump in sound when tone arm moves | Whenever the tone arm would move horiz during normal play,there was a thump in the sound. | ||
| SONY | TV520 | No sync scrambled pix | No sync scrambled pix. | ||
| SONY | KV2643R | Etc (electro thermo compensation) coil not needed | The new replacement crt: a67jhg01x (8-735-453-05) does nothave the etc coil on it. should the coil from old crt be removed andinstalled on the new crt? | ||
| SONY | EVS700U | Replacement of ft-3b board | Original board in unit (1-615-713-14) has cn6 using 7 pins.replacement board from stock (-11) has 6 pins on cn6. are theycompatible? -hq comments: connect pins 4, 5, 6 of cn6, ft-3b board to pins 1, 2, 3of cn108, pc-15c board. using a jumper, connect | ||
| SONY | KV1957R | Unable to tune in video, leaky cp003 | Unable to tune in vc voltage, sometimes set would lock upon indicator nl003, but video would change on some of the channels thatvc was tuneable. | ||
| SONY | STRS5 | No part # - station preset labels | Please supply part # for am and fm channel/preset inserts. -hq comments: the numerical labels for the station presets are ref. #149(page 38 of s/m). p/n is x-4874-006-0. kcp does not have any stockcurrently. if you order them, kcp will order them fro | ||
| SONY | CDP102 | Troubleshooting | Complaint was (disc will not spin). verified problem. founddealer had replaced bu-1 no help. focus search waveform at pin 21/ic201was about 0.8vp-p. found c206 leaky and replaced. now pin 21 was 2vp-pbut still focus coil was not moving up and down |