Repair Tips
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Results: 88020
Results: 88020
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| MONDIAL |
CM-13
|
Does not turn on dashboard LEDs blinking | Audio output | Remove the J9 jamper from the board and the box will turn on normally with audio! but you have to replace the audio output. | Sinailson |
| PHILIPS |
32PFL3707D/78
|
Sound popping or coming out, it seems like audio popping or going out, sometimes the image freezes | It looks like audio output, main board. It's not! It is at the power supply to replace the single 330/16 aluminum capacitor for a common 470/35 | Eletrônica COMETA | |
| AOC |
LE43S5477
LE43S5477 |
Does not tune in to any digital channels | The new software was downloaded from the website and updated using a USB stick to the TV, wsound it started to tune normally. | Update website: https://aoc.portaltpv.com.br/produto/le43s5977-smart-tv-full-hd | FAGNER |
| PHILCO |
PH21M SS
|
When it turns on, the screen flashes and turns off. The stand by LED keeps flashing | 2n5551 at position q802 | Rildo Aranha | |
| SAMSUNG |
LE46C530FW1
|
Doesn't work. Not even the SBY LED lights up | Power supply works well. on main board replace ic401. | Substituir ic 401 na main board | Jose Almeida Tavares |
| LENOXX |
CA-310
CA-310-A |
Keyboard doesn't work, doesn't switch from aux in, the 7805 heats up. | SMD capacitor on the USB board, position C4, supplies 3.3V | Replace of the same. | Boléia |
| LG |
21FX5RL
|
Ugly contrast....off strange luinance | R547 open | 82k....it was original from the factory with 100k | Alextecnico |
| SAMSUNG |
UN50TU8000G
|
When turning on, no image appears, staying in a constant loop, without being able to turn on the TV. | According to guidance received sound on this site, by another technician, I isolated the pin that connects the resistor r44 to the larger flat cable, on the left vcon. refers to the vgh signal, isolated with a thin tape on the flat. image came back perfect. thanks for the tip! | ||
| AOC |
LE32M1475/25
|
It doesn't work...it doesn't come out of standby. | Faulty adj and 3.3v power supplys. | Replace the regulators without testing adj(u106) and 3v3 (u104) for safety replace the ce4 470x16v | Evando Viana |
| CCE |
HPS-2185FS
|
Plug it into the socket and the LED blinks | 12v missing - time it turns on time it doesn't turn on | Faulty fr403 and fr402 or cold solder on the pins or broken track | Andre mamilha |
| LG |
37LH35FD
|
It has standby, red LED, turns on, goes to blue LED, backlight comes on but tsound is no image. | Cold solder on the processor. | Reballing of the mainboard processor. | MARCO BORSATO |
| LG |
42LH35FD
|
It has standby, red LED, turns on, goes to blue LED, backlight comes on but tsound is no image. | Cold solder on the processor. | Reballing of the mainboard processor. | MARCO BORSATO |
| MITSAI |
PT90J
|
Starts and goes into protection | Flyback (line transformer) | Valecovo | |
| SEMP |
TV 2134 (C)SL
SK11 |
Turns on and off quickly, hitting relay | Changed resistors r309 and r308 and burned vertical output ic301 | Replace r309 and r308 (the two 0.33Ω resistors), replace ic 301 (utc78045) | Bruno - Minas Fax |
| TOSHIBA |
2134
SK11 |
Works normally then ends up with a pilon waist | Q325 | Q325 replace | Cicero Santos ajudem pra se ajudado |
| TOSHIBA |
TV2999KMS
LEM7 |
Hoarse sound, when it increased it normalized and then it could decrease. power supply also squeaking a little. | The sound problem was the capacitors c836 c837 47u16v, power supply squeaking capacitor c819 22u100v | Marcelo | |
| LG |
CJ87-AB
|
Sound doesn't turn on, tsound are only voltages of 12vots and +5vots, remove the x500 and x501 crystals and resolder them by cleaning the area, that's what I did and it worked, the -5volts and the other voltages only exist when the sound is turned on ok | I resoldered and cleaned the location of the x500 and x501 crystals | GALILEU ROCHA | |
| TOSHIBA |
LC4246FDA
|
It turns on, it has sound but the lights don't light up | Capacitor cf904 100k 250v | Replace the same and run for the hug | Gilberto Costa |
| STI |
LE2451
|
Doesn't start | Voltages in cis.n807=3.3 n805 =1.8v ci n106=1.2v | Cabeça | |
| STI |
LE2451
|
Doesn't start | Nas07 |