TV Repair: Common Faults and Solutions.
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Results: 87435
Results: 87435
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| GRADIENTE | TV-2020 | They have a +b power supply but the LED does not light up, the tensions of 5 votes and those of 3.3 votes are missing | Shorted microns | Replace | EletroClaudioPE |
| AOC | LE50D1440/20 | The 12v and 24v stand by were off | Power supply defect | Replace the 470/25v capacitors and photo coupler ic9106 | Eletro Ribeiro |
| PHILIPS | 40PFG5000 | Turns on, dark screen back light on, no video. | See on the board "v-con" capacitor cp 20 shorted. | Replace cp20 | arock |
| LG | FLATRON L1740PQ | Red standby LED kept flashing, but monitor did not turn on. | Problem in power supply aip-0108. voltage below nominal and oscillating. problem capacitors. | Even though tsound was no visual mark, the capacitors were bad. Replace the electrolytic capacitors on the power supply board (c202 c203 c204 c205 c206 c207). As a precaution, I replaced capacitors c105 and c103. | Jonatas Dias |
| SEMP | 2934 C SL | The LED doesn't even light up when it's completely off | R602 replace without fear god be praised | Rafael | |
| PHILCO | PH32M3 LTA320AN01 | Turns on, shows the logo and turns off the backlight, leaving only the sound and the image in the background without light. | Strong burning smell, I opened the screen and found that tsound was a light bulb sparkling. | The lamp connector was sparking. I replaced it and it resolved. Tip for everyone: when disassembling LCD TVs, keep the lamp connectors ;) | PL Eletrônica |
| SAMSUNG | CL-21C650ML | LED flashes 5 times, turns off and the TV does not turn on. | D402 near the vertical exit measuring good | Replace | ELETROCLAUDIOPE |
| PHILIPS | 40PFL3605D/78 | 12v voltageless power supply only with 3.3v voltage | C502, q501, e u601 | I replaced the components listed and the power supply returned to normal | LUCAS EDUARDO |
| PHILIPS | 40PFL3605D/78 | 12v voltageless power supply only with 3.3v voltage | C502 burst, q501 | LUCAS EDUARDO | |
| SAMSUNG | CL-29Z58MQ KS7D | Does not turn on or the LED lights up | D811 mur480 800v shorted and horizontal output tt2206 shorted | Replace the 2 and run for the hug | Gledson |
| CCE | LT29G | Turns on and the LED turns blue and does not turn on | Q10 (baw56 double diode, code in part a1 | Place 2 in4148 diodes that works | |
| PHILIPS | 43PFL3008/78 | With audio and without video, the back-light comes on normally. | Software corrupted or incompatible with the screen, in this case I solved the problem by removing the memory from the old board and putting it in the new one. | An attempt was made to update the software and it did not resolve the issue. just changing the memory. | Eletronica ALLFATV |
| PHILIPS | PFL3404/78 | The relay hits and the stand by LED lights up and does not turn on on/off on the keyboard | Solution - turn on the control or turn on by pressing ch+/ch- on the TV's side keyboard | Emerson | |
| LG | CM4440 | Does not turn on display...rarely works (cold) 3 seconds (turns off) | Ic501 ...with a magnifying glass or microscope, look over the ic and look for cracks or holes | Replace board, ic501 in operation, it already works hot (I added a decipher) | Alextecnico |
| TOSHIBA | TV2157BFS LEM7 | It doesn't turn on with the stand bay LED off. I bought a string 8656 to put it on the power supply, it wasn't a defect. | C819 22uf per 100v exhausted | I put another new capacitor and it was just fillet | Luiz eletrônicas |
| PHILIPS | 14PT110A | TV turns on, has normal sound but no image | Vertical output tda 3653b, I put the tda3653bq that I had in stock and it was beautiful | Eliel Magno | |
| PHILIPS | 163V5L | Secondary power supply zero v, disconnecting the main voltage 15.5, 0v appears | C smd 708 shorted next to c 701 the 708 is the largest smd in the pl | GDP2 | |
| DVD PHILCO | PH154 | Turns on and blows fuse immediately | After checking the rectifier bridge I discovered that it was the ci u1 on the board, I just changed it and ran to dim dim | ELETRONICA PUBLISOM DE NATAL RGN | |
| PHILIPS | 32PFL5312 | Flashing screen | 24 volts from the inverter with only 20 volts | Replace photocoupler position u650 | |
| SEMP | TV2134BSL | It doesn't turn on, the relay hits as if it were going to turn on, but it doesn't turn on | Replace zener diode zd202, 5v6 on the micronas side | DJ PITUKA |