TV Repair: Common Faults and Solutions.
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Results: 87577
Results: 87577
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS | 32PFL3404 | Turns on and then turns off, lamp does not light | Bad lamp power supply relay | K1 relay with internal contact insulation | Eletro Center |
| PANASONIC | TC29FJ30L | When turning on the TV tsound is sound and no image but only the characters appear. | When enlarging the screen, a weak image appears in the aliasing. | Open film resistor r557 (59k) close to the flyback. | Jadson G Nascimento |
| GRADIENTE | S-96 | Turns on everything working am and fm stopped | Tip29 regulator defect | Replace it | Fernando RJ |
| PHILCO | PH29E52DG | The TV turns on, the Philco logo does not appear, the sound is normal. | The power supply on the CN400 connector of the LEDs was checked, it was 57 volts and it was found that one of the busbars was burned. 3v LED. | The burnt LED was replaced and the device started working normally again, operating voltage of the LED bus, 44 volts. | Adriano Miranda |
| PHILCO | PH42M61DSGW | Weak red led | Low supply short nos smd ld1117s33 | For 1117 saa | rogeriofederal |
| LG | 32LB560B | No image on screen | Shorted LED bar, opening protection. | Svc kit replacement | rogeriofederal |
| SAMSUNG | PL43E400U1G | Turned on, disarmed. | Short in the transformer as no power supply change was found. | Short in the transformer as no power supply replace was found. | |
| AOC | D32W931 | No image on screen | 1 of the inverter transformers shorted | Transformer replacement - t8804a | rogeriofederal |
| LG | 42LH | No image on screen | Inverter power cable for lamps saturated | Changing the inverte power supply cables in the replaced socket. | rogeriofederal |
| SONY | 40EX525 | It would turn on, it would change from red to green LED quickly, it would not turn on | Switch to main board short on bga | Switch to main board short on bga | rogeriofederal |
| TOSHIBA | TV2123(O)FS U19 | Completely stopped, charge retained in the power supply capacitor | Photo coupler | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| CCE | 1418USP | Cce 1418usp tv with straight side black strip | C417 (331) 2kv with low value | Replace the same one for a new one, the problem is solved. | JP-ELETRONICA SANTA CRUZ RN JOÃOZINHO |
| PHILCO | KH111F 1.6 | Turning off in a few minutes | V502 close to ptc | V502 2sc2383 I couldn't find it on the market so I replaced it with 2sc2655 | Fábio |
| DAYTRON | DTH-1427FS | Dark screen normal channel or video character input | Exhausted capacitor near the croma cap c527 0.22mf 50v | Thanks help please | jrezende |
| PANASONIC | TC14A12 | It works and for stanby it blinks | Activating protection. | It could be: optocoupler d 807 r 631 of 360k protection q 401 and r 401 r 520 and r 521 r 864 replaced or... remove the r 643 from the protection and that's it! | Uti dos eletro |
| LG | CM4330 | Doesn't start | Diode d923 | Just replace. | ELETRONICA LINE ORG CICERO LIMA |
| MITSUBISHI | TC 2018 | Functions locked | Open resistor r 725 -9k -pertodo micro | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| PHILIPS | 21PT6456 | The TV does not turn on, the + 115 volts oscillating between 60 and 80 volts | Defective photocoupler, just change it and the TV works again | Flavio Aragão | |
| LG | 42LC2RR | Turns on after some time, +/- 20 minutes | Check cold welds on r107 and r108 | basilio98 | |
| LG | 21FU6TL | Turns on and off then actuation protection and loaded power supply | Vertical c.i ic301 shorted | Note: you have to remove it to get to the defect because if you turn off the power, the TV still has the same symptom | Medeiros |