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 |
|---|---|---|---|---|---|
| AIKO | FP2901 | It has sound, it has brightness, the menu letter appears, everything is normal, - but the image does not appear | Capacitor c559 broken terminal or loose solder | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| AIKO | FP2901 | With normal picture without sound | Replace ci 302 smd lv1116n ficom bom | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| LG | 21FU4RL | Plate or cushion defect | R 451 15k | AIRTON | |
| LG | 42LP560M 60LN549E 55LN549E 55LN541C 47LN549E 47LN541C 42LN549E 42LN541C 39LN549E 32LP560M 32LN549E 32LN541C | The TV restarts repeatedly after it has been running for a while | Poor contact between the power supply and the mainboard. The drop of 3.5v_st is detected by the unstable contact of the connector. replace the psu cable (connector) and socket, (apply glue to the connector and socket. | Anderson | |
| LG | 32LF57 49LF51 49LH57 49UF64 49UH60 | Blue screen with spots | This problem is caused by the elimination of the silicon deled pkg replacing the led strips | Anderson | |
| SONY | KLV-40V410A | Frozen image with horizontal stripes with no response from remote control or panel. | I checked all the power supply voltages (+12,+15, +5v), the panel lit up normally with the image frozen in horizontal stripes. | I resoldered the 2 BGA ICs that are below the heatsink, after this process the board worked perfectly again, I tested it for 48 hours with direct connection and so far it is perfect. | cdias |
| LG PLASMA | 50PB560B | Turns on the sound and normal image after a few minutes the screen turns off leaving only the audio | Faulty controller board | After changing it, it returned to normal. | Eugenio |
| PHILIPS | 14PT314/78 | When plugging the TV into the socket, the stand bay light no longer turns on. The TV in the armpit generates a very weak high voltage. When adjusting the screen to the maximum point, a horizontal line appears at the bottom of the screen. | C2551 and c2409 | Replace without measuring the c2551 is the c2409 of 47μF160v and that's it, the TV will work normally. | Sinailson furtado |
| AOC | 32W831 | Turns on and after a certain time on, when turned off, it does not turn on and only has a blue stand bye. It only turns on after it cools down. | Defect 3.3v regulator main board u701. g1084-33. | Just replace it and that's it. | Rômulo |
| ELETROLUX | 18000 BTUS | Transformer tf2-g55-1f, primary input and 220v input, two red wires. second 8v 500ma yellow wires, tf2-g30-1 input 220v red wires., second 8v 300ma yellow wire. | At the 220v input the resistance is 480 for 220v. | guinga sdia goias | |
| PHILIPS | NTRX500 NTRX700 NX5 NX7 | Blinking LEDs wouldn't turn on | Change the 5 electrolytic capacitors around the ci smd u501 on the panel board, 1 capacitor 100/10v+4 47uf be careful because the tracks break in the solder they are very thin | eletronica junior reginaldo moronte | |
| SAMSUNG | P2470HN LS24EMSKUMZD | Turns on but does not light up the lamps that illuminate the screen but the sound and image are very dark | Trafo-inverter t301 -tm-08190 and q201-stu312d or 4506geh: after changing the frafo-inverter, when switching to a PC it 'turns off the screen' | Put 100k r from pin 1 to 6 and 7 of the u201-lem2005 | JCampos eletronica |
| LG | 29FU6TL | Image with cup effect | R318 was replaced, 3k9 resistor open. | José delta line | |
| PHILIPS | 29PT9467 | Cushion effect | Q440 (irf630) shorted and 6.8r region 440 open | Replace both | Laercio |
| SEMP | 2143 (C) SL | Does not turn on, relay hits and then turns off | Cold soldering | Resolder r308 and r309 on the vertical line | Mário |
| LG | 26LG30R | When turning on, audio gaps appear, you have to turn it off and on again. | 1.2 volt regulator heating up and creating resistance to the electrolytic capacitor on the back of the regulator, just change it and be happy. | Adriano oliveira | |
| SAMSUNG | HT-F4504ZD | Doesn't start | Blown fuse and mosfet 10n65a | Replacing them (note I put the p9n65zf mosfet) | zeluiz |
| SEMP | TV2916 | Vertical closed turns on and then turns off | R311 smd of 3k3 open | Just replace it and that's it | orlando lott |
| SEMP | 2982 | Turning off | R852 changed 220k | Replace resistor r852 | @edilson.oficial.al |
| CCE | STILE D32 | Turns on, turns off normally, lights come on and go off, the green LED on the power supply flashes and meets the normal control type | Switch power supply | Switch power supply | ASL ASSISTENCIA TÉCNICA TONINHO |