Repair Tips
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Results: 88088
Results: 88088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| CCE |
HPS 1497
|
Without tuning channels | Change q 101 bc 337 without measuring | Killing varicap 5v voltage | Joel Isidoro |
| PHILCO |
PH21
US A1 |
Rainbow effect and lack of width | Ptc, rp 551, c450, c466, | Replace | Fabio |
| SEMP |
2050 MAV
U17 |
Blurry image sometimes, after a while turned on it becomes normal. | Bad tube socket | MARCONES DE ARARIPINA-PE | |
| TOSHIBA |
TV 2157
|
No sound at all | Change 220uf x 16v volt capacitors next to the sound output and run to the hug | eletronica publisom de natal rgn | |
| PHILCO |
TPF2130
|
Does not turn on, stays on standby, presses the button to turn on and comes back | Resolder the micronas and the entire area of the horizontal circuit, power supply, and replace the c918, 1000x25 | DJ PITUKA | |
| PHILCO |
TPF2130
CPH03 UOC |
It doesn't turn on, the LED is on, press power, the LED turns off and it lights up again. | Change without measuring c918, 1000x25. | DJ PITUKA | |
| SEMP TOSHIBA |
DL3254
|
The TV turned on and the screen lit up and went out immediately. | The beginning of the defect was the screen was completely off, 2 LEDs were found open, replaced, another problem appeared, the TV would turn on, the screen would flicker and go off, I found r721 of 22r open, replaced and the TV worked normally. | Strutz | |
| LG |
42LW4500
|
TV does not turn on or the stand-by LED lights up. | Broken track in the stand-by power supply circuit after d504. | wandersonop | |
| SAMSUNG |
50PB690
|
Don't care, tsound's no vs and va. | Ic ncp1397, power supply primario vs | joaomvjr | |
| PHILCO |
PTV48A12DSGWA
|
When you turn it on, the LED blinks and goes off when you unplug it, the LED blinks more brightly. | When this type of TV presents a problem, you have to change the main board, because the command to turn on the LEDs, everything depends on the main board, so if tsound is a problem, don't waste time changing the main board | After the replace it worked fine | Eletrônica jds |
| SAMSUNG |
UN48J5200AG
|
Burning led | This TV arrived at my workshop with the following defect, it turns on, has sound, no dark image, LED bar, I opened this TV, it has already been changed, they replaced the original LED, this type of TV only accepts the original bars, no replacement, it was just a burnt bar, it was replaced, it didn't burn out, but | Replace module solved | Carlos |
| SAMSUNG |
UN48J5200AG
|
The image appears for a few minutes and disappears | Display drive in the left corner bad | Replace module solved | Andrei Posto Autilizado Samsung |
| MIDEA |
MICROONDAS
|
Microwave keyboard sometimes works, sometimes some keys freeze, appearing to be a membrane failure | Defective LED display | Eletrônica Cecé. Brumadinho MG | |
| CCE |
HPS 2073
|
Without lighting, the TV turns on but tsound is no lighting on the screen | R822 | Replace the r822 to 6r8 and the TV will be working. God be praised! | Sinailson furtado |
| SAMSUNG |
CL 21Z43MQ
K16 |
Does not turn on, LED is on normally. | 5v1 zener diode dz203 shorted, killing the sda voltage on the varicap. note; This diode is close to the RGB harness on the pp. | After changing the TV ok. | George Pontes |
| ROADSTAR |
RS-4210AMP
RS-4210 |
Does not turn on red LED off | 2 electrolytic capacitors 3300uf/16v swollen and resistor RP1 burned with a value of 10Ω | Replace the 2 3300μF/16v electrolytic capacitors and the 10Ω 1/4 watt resistor rp1 | Adriano Miranda |
| SONY |
KDL 46EX405
|
It turns on, the green LED lights up, the Sony logo appears, and then turns off and turns on again, it stays like this. | 500ma fuse, behind the varicap. had a cap. shorted smd | joaomvjr | |
| LG |
50PM4700
|
Does not turn on, relay hits; when disconnecting the y-sus it releases voltages from the power supply | Plate and-sus with various burnt igbts. 2x 30f126, 2x 30j127, 1x sf20a600h, 1x k8a60da, 1 uf4004 diode | Pay close attention under the plate to the diode track, in my case the tracks were broken in two parts in the diode region. I hadn't seen it the first time and I lost all the work. After reviewing it again, it became a champion! | World TV |
| LG |
42LS3400
|
Intermittently turning off and off | Touch painel | Replace without testing good luck...! | Jhone eletronica |
| AOC |
H428PW
|
Cutting out the sound. When it turns on, sometimes tsound is no sound, other times tsound is. | Defect: 3.3 regulator (position u602) g1084-33 | Take measurements on this regulator. it inputs about 5v, and outputs 3.3v. when the sound disappears, not without the 3.3 correctly. replace it. | Romildo Behrend |