TV Repair: Common Faults and Solutions.
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Results: 87576
Results: 87576
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| ORBISAT | S2200 | Sound, buzzing, snoring, buzzing, noise. | C325 main right switch all start with 3 | Sach | hndrsn |
| SEMP | LC3241W | It takes a while to call - then it doesn't even call again. | Resistor power supply 4,7rx5w, c 842, c843,c864 e c865. | Open resistor and capacitors replace without thinking. | Delfran Eletroeletronicos - Serra Alta - SC |
| LG | CM 8520 CM | Turns on panel without audio | Does not connect 50v power supply | See resistors r 916 and 917 (680k) open. reason: glue | arock |
| TOSHIBA | 2078 BAV | Closing vertical | C 301 (1uf x 50v) without capacitance | Changing the c301 (1μF x 50v) TV was ok. | Rdo Antônio Acre |
| H-BUSTER | HBTV-42L01FD | It doesn't turn on, it has standby but it doesn't turn on | See if the disable pin of ic2 is high. it was ic7 changed by disabling ic2. | Mau 3000 | |
| PHILIPS | 47PFL7008G | LED lights up and goes out. jam power supply to/test backlight | R-100Ω on pins 2 and 4 (gnd1 and stb) and jumper pins 3, 11 and 13 (3v3s - blon - dim1 ) | Back light coming on, confirmed that the main is bad | INOVA |
| LG | 42LG30R LP81A | Strange letters and characters in the TV's menu and OSD, and HDMI inputs with no image. | Corrupted memory. | Rewriting of memory at24c64, position ic802. | rafaelmoraes99 |
| LG | 32LG30R LP81A | Strange letters and characters in the TV's menu and OSD, and HDMI inputs with no image. | Corrupted memory. | Rewriting of memory at24c64, position ic802. | rafaelmoraes99 |
| PANASONIC | AKX18 AKX56 AKX70 AKX220 OUTROS | Stuck, malfunction, etc. | Reset solution, hold down the power button and plug the socket into the mains for 10 seconds, as soon as the lines on the display light up, the reset has been carried out, suitable for any Panasonic | amigo | |
| AOC | D32W831 | No sound and perfect image | 3v3 regulator u602 burnt on main board | eletronica valdecir | |
| SAMSUNG | CL21K40MQ | Does not turn on, standby off without power supply. | Replace zener diode zd803, 30v non-primary | DJ PITUKA | |
| CICLOTRON | DBK6000 | Left channel burned out without sound | 1r of 47r open2transito shorted one 2sc4793and the other 2sa1837 | I put the 47r and the 2transisto the ones that were in it are 2sc4793 and the 2sa 1837 as I didn't have them I put the 2sc2336 2sa1980 which replace 2sa1006 2sc4793 I replaced the 2sc2396 and that's it the amplifier was very good again | Reis eletrônica |
| PHILIPS | 14PT414 | TV without sound with normal image | Check a round fuse in position 1571 near the 1000/35v cover. This power supply goes through this fuse, from tsound it goes to the 2200/35v cover, follows the track, goes to the sound ci cover wsound it feeds it. | Replaced the fuse, gives normal sound. fed the sound ci. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 21FU6TL | Image expanding and shrinking adjusts to the screen, the image kept changing giving the impression of being the flyback | In my case I found the c406 horizontally open | Replace c406 | El Cuajinais |
| H-BUSTER | HBTV3203HD . | Turn on and then turn off the lights. only the sound remains. | The cause guys is the inverter transformer in my case it was the t303. turning off the inverter. | Trafo in my case was the t 303 as I had another plate like it, I took out one that was good and I started removing and putting them in one by one until I hit the gollllll. I found t303. turning off the TV. and leaving only the sound. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 39LN5700 | Won't turn on LED keeps flashing | LED bar with 80% of the LEDs burnt out | Just replace the LEDs, note: It's a good idea to clean the contact, on the t-com, to avoid any mishaps. | NILMAR ELETRON SAT |
| TOSHIBA | TV2051NAV U18 U18 | Normal standbay, but it didn't generate a high, the horizontal one got very hot, I changed d449 and d448, the TV turned on normally with cold horizontal but with the vestical closed, I changed r333 and d302 and d301 and stv9302a just to be sure. | D449, d448, d301, d302 r333 e western exit stv9302a | Zé Mário Ipueiras CE | |
| TCL | H32B3803 MT31EPA | No sound or no sound when hot (after a while) | Diode d101 a7(baw92), replace with 2 diodes in antiparallel (pay attention to the position) bav21 | zelectronic | |
| PANASONIC | TC-L42U30B | Red LED flashing 14 times. | Capacitor c-8780 shorted... and on the power supply board pa850 open and q811 open | Replace capacitor-8780, pa 850 and q811.... 100% | RICARDO |
| PHILCO | PH21MSS | Stand by access, the LED flashes, but it does not start, tsound is a hissing sound at the power supply | R804, ic801 e o capacitor c803, 220nfx400v | Gracielia |