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Results: 88013
Results: 88013
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
T27B350LB
T27B350LB |
Does not turn on, only the standby LED is on | Replace the dm851 diode in parallel with the dm852 (power supply board) | Replace the dm851 diode in parallel with the dm852 (power supply board) | CANAL ELETRONICA CEARÁ |
| SANSUNG |
43H4000
43H4000 |
Shorting fet 5n50 at the ends of the board | Controller board (tecon) | Some time ago | Eletrônica DJ dj |
| TOSHIBA |
TV2977(A)SL
|
Standby LED is on and does not turn on or start. | Driver transistor q402 (2sc2482) shorted | After changing the TV ok. | George Pontes |
| MONDIAL |
CM-400
|
Does not recharge battery | Power supply defect | Replacing capacitor ce4 and ic3 (tl431) | LH |
| ELSYS |
BLACK 2.0
|
No video on the av and squeaking a lot on the rf, you could hear the audio very low in the background | Short caused by broken AV pin at the input caused the defect | Replace the r325 smd resistor with a value of 56r and replace the smd resistor of the r506 video modulator with a value of 470r, both resistors close to the yellow audio and video connector, under the board | Kelvin alves |
| FRAHM |
PSA 600 12V USB
|
Does not turn on, LED only red. | Capacitor on the power supply board c601 47uf × 63v with low capacitance. | Eletrônica Barbato | |
| LG |
32LB
|
Sometimes it doesn't turn on, part of it turns off the LED but it doesn't turn on and it locks up, it only comes back on by unplugging it a few times | Change the eprom, I've already got several with this bo, I take the eprom from another scrap board, and it works fine! | Rodrigo cofferi | Rodrigo cofferi |
| LG |
DV361
|
Turns on with the power supply dropping to 12v voltage | Change photo coupler and d 121 with leak | Replace photo coupler and d 121 with leak | ALVES.TEC ELETRÔNICA.CAMARAGIBE.PERNAMBUCO |
| LG |
DV361
|
Turns on with the power supply dropping to 12v voltage | Change photo coupler and d 121 with leak | Replace photo coupler and d 121 with leak | ALVES.TEC ELETRÔNICA.CAMARAGIBE.PERNAMBUCO |
| LG |
65UB9500
|
It doesn't turn on, the power supply LED flashes 5x, sometimes it turns on and restarts after a few minutes. | Processor bga solder. | Do reballing. | GABSENS |
| LG |
50PA4500
|
Turn on the relay and turn it off | C214 low capacitance | Replace the aforementioned capacitor | GIOVANO ELETRONICA |
| PHILCO |
PH21M2
|
Has characters, slightly darkened image without brightness | 8k resistor r463, open! | Replace | Anthony |
| LG |
CM4420
|
No sound and turning off minutes later | Q910 - 2sc3202 with leak | Q910 - 2sc3202 | Ronaldo Vieira |
| SAMSUNG |
LN32C350D1M
|
It doesn't work, the LED is off, if the main one heats up, the TV turns on. | Epron ic402 ruim | Remove epron make a copy and re-record it on another | ELETRONICA DANIEL |
| LG |
M 2241A
0078 |
No image | Solution | Odail | |
| SONY |
ÉX88
|
Doesn't start | Stopped | Paulo | |
| LG |
50PJ350
|
TV with normal sound, but no image | When analyzed on the oscilloscope tsound is no set signal dn.trafo 501 with one of the terminals open | Restored the traffic. | DANGRA ELETRÔNICA SÃO PAULO |
| SAMSUNG |
UN50RU8000G
|
Turns on and off, as well as other defects presented sound | Short display | Isolate the small flex that connects the second vcon board with tape from right to left until the image stabilizes. | ANTENISTABNU |
| HQ |
HQSTV32
|
Does not turn on weak or blinking standby LED | Capacitor cy3 50v 10uf fraco proximo do trafo | Just replace and run for the hug | ANDREI ELETROINFO |
| SAMSUNG |
PN43H4000
|
Dark screen or drizzle on characters, audio and normal voltages, only go with 12v. | Open zener diode, zda 852 close to the qa852 transistor. Note: the diode is underneath the board. ps, the diode was taken from another board, I don't know the voltage. | After the replace, the image returned to normal. | George Pontes |