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 |
|---|---|---|---|---|---|
| PHILCO | PH21MSS | Turns on, and then turns off with the vertical closed | C301,c303, c305, c828, c829 r319, r320, and ic301 la78141. (attention: tsound are some tips sound, saying that the tda9302 replaces the la78141, but I did the test sound, and it shorted out right away. I'm also asking to replace the 180k r829 for a 150k one, and I also did the test, and the TV remains horizontally closed on the sides. ) you have to replace all the components with the same ones, no substitutes! | MARCONES DE ARARIPINA PE. | |
| AOC | LE32D1352 | Does not turn on or standby | Shorted main board | We were unable to repair the main one, so we replaced it. | lojas trovarelli |
| LG | 32LS3400 | Image in the background without LED light | LED burnt out on all 4 bars | Complete bus replacement, LED voltage reduction. | lojas trovarelli |
| SAMSUNG | CL21CM21MQ | Turns on, works little, closes on the sides and turns off | Cr404s 681k/2kv next to d402 | Replace with new | FH solutions |
| FHILIPS | FWM9000/78 | Fan turns on and then turns off | Replace diode d32 even though it works. | Luiz silva | |
| SONY | MHC-DX9 | Going into protection | When it turned on it took two seconds and went into protection | The defect was in resistors 511 and 561, each 100Ω by 1/4w and leaking | marcos |
| PANASONIC | TC-L42D20B | Red LED flashes 4 times | In the service manual it says it is sub 12v_sense_sos | In fact, in my case it was an LED bar that had an open LED, just replace the bar and that's it. | EDUARDO TOMAS SILVA |
| CENTURY | SUPER 1900 | The display doesn't turn on, it's overheating the viper22a | Tr1 | Replace the chopp of the tr1 power supply without measuring | Sinailson furtado |
| LG | 21FJ8RL | TV arms and disarms, generates high sparking | R806=39k changed measuring 68k | Replace it with another and run to another | Antonio Carlos (Eletrônica Renascer) |
| TOSHIBA | LC4245W | Power supply does not supply 5v, not even by decree. | Db901 changed. | It is observed that after opening the rb901 (2r2) the +b of the ci nb901 does not exceed 7v when it should have 15v. | ELTON CASTRO cabo-pe |
| PHILCO | PH40R86DSGW | Dead | Main board attached to the power supply | I measured power supplys ok, regulators ok, I replaced the board and it was fine | EDUARDO TOMAS SILVA |
| PHILCO | PH40R86DSGW | The logo appears and disappears | Defective back light. | Replace all the LED bars, if you replace just one you can be sure that the TV will return. | EDUARDO TOMAS SILVA |
| SEMP | TV 2134(C)SL | Turn on and off | C613 near power supply str | 3R | |
| LG | 47LH70YD | The relay keeps hitting | Tsound is no 12v or 24 at the power supply | In my case it was the pfc power supply that was defective, it had altered resistors in the reference divider. | EDUARDO TOMAS SILVA |
| PHILIPS | 20PT4331 | TV turned on and off by pressing the channel button on and off. | Resistor 3523 47r altered pulse pine 11 ci 7520 tea1506t | Replaced perfect tv. | Claudio Rio de Janeiro |
| SEMP | LC4245W | The TV would sometimes turn on when it was cold...but if I unplugged it and turned it on again, it wouldn't even turn on stand by. | Changing the n950 photo coupler | GR Eletrônica | |
| TOSHIBA | TV2157 NFS U18 | Low and noisy sound is not in the audio sector | Q906 smd on kinescope board | When you remove it, the audio appears, but in case of doubt, put another one | Carlosss |
| AOC | LE32D3330 | Doesn't start | Capacitor | C9111 330/16v with low importance | Tec Center |
| PHILCO | PH39F33 | Standby only | Cold soldering | In the primary power supply circuit | Tec Center |
| SEMP | TV2934BSL SK91 | Doesn't start | Checking the voltage, as the 5v voltage was low, removing the micronas it came back, solution to change the micronas | DJ PITUKA |