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Results: 88091
Results: 88091
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SEMP |
LC3246WDA
|
TV works for a while and turns off, leaving the green LED on and won't turn on again | At the power supply in the primary, check the zener diodes zdw901-- 16v and the diode dw905 --1n4148 with leakage | The dw905 1n4148 was replaced and resolved | Eletrônica Ômega |
| TOSHIBA |
LC3245W
|
Low sound, popping. | Low voltage on the headphone amp, n201, only 1.4v | I made a jumper from coil l837 to pin 8 of the ci headphone amp, n201 | davi.sls |
| SONY |
KDL-40BX405
|
TV turns on green LED, but does not turn on the backlight, note: this TV does not have silkscreen printing on the main board. | Short or leakage smd seramico capacitor on the main board. | 10μF smd capacitor. (measure with a ruler or caliper on the chip heatsink leg from right to left, 30mm horizontally and 16mm vertically. | RNSPTEC |
| SONY |
KDL-40BX405
|
TV doesn't turn on, the LED blinks three times. | Shorted or leaking smd capacitors, main board note: this board does not have silkscreen printing. | 10μF ceramic smd capacitor, measure (ruler or caliper) at the foot of the chip heatsink, from right to left 30mm | RNSPTEC |
| LG |
50PA4500
|
Doesn't start | Activates relay, appears all voltages and turns off | Faulty power supply board, I didn't investigate the defect due to lack of time | Stiltec |
| AOC |
LE32D3330
|
Totally inoperative, tsound is only 5v at the power supply | Replacing the u701 on the main board! | 3v3 regulator | |
| PHILCO |
PH40U16DSG
|
Calls whenever you want, sometimes doesn't call | Capacitor cp-105 slightly swollen | Replace for another equal or equivalent 400x100f | Maike Sorriso-MT |
| SAMSUNG |
LN32D400E1G
|
Image shaking and with scratches | Screen board | I placed a 33k resistor in parallel with rd 37 on the screen board. it was perfect. good luck! | Eletrônica Cecé. Brumadinho MG |
| SONY |
KD49X
|
Streaks on the screen after half an hour on | Cleaning the flat cables and on CN3 of the T-board with the LVDS board, insulate with tape from pins 3 to 14, counting from right to left | Rodrigo cofferi | |
| LG |
LM-U1560
|
Photo r 470k pinos 3/4 | Funffou! hhh ´º@º` | Alextecnico | |
| AOC |
LE50D1440
|
Image started with strange scratches and then inverted the image upside down and inside out (in addition, it was inverted mirrored, that is, it was upside down and with a mirror image) | Tcon believe it if you want | Replace da tcon 6870c-0452a da lg | MIGUELTV |
| TOSHIBA |
TV2123
|
When it turns on green screen with line of retraces then it was dark | Capacitor smd c909 na placa do cinescopio | Then remove it now it's back to normal but see the value to replace in the diagram | Antonio Neto |
| LG |
32LS5700
|
Doesn't start | Power supply, voltage below 3.5v | Zd504 6.8v 400mw. | Carlossbs |
| SONY |
DVP-NS50P
|
Doesn't start. power supply voltages apparently ok. | Diode d315 and d317 in4002. | Replace without measuring. as indicated by in4007 and in the absence of it I put the rl207 it worked perfect. | RYK |
| LG |
CJ87
|
Doesn't start | Did not activate pfc power supply (380v) | In my case it was ic 2a20112a | Stiltec |
| SAMSUNG |
LN40B530
|
Sound talking, making some clicks, popping only on the dtv antenna input, on hdmi everything ok | Dirty board with a lot of solder flux. | Complete cleaning of the board was carried out, as tsound was a lot of solder flux on the entire board, cleaning was done with isopropyl alcohol, cleaning and scraping of the ground points wsound the board was fixed to the chassis. | CDS_DIAS |
| PANASONIC |
TC32A400B
|
It doesn't turn on, the green LED flashes in sequence and turns everything off. | Defective power supply board in the second one. | C7510 (471x 500v) on the run killing attention of diode d7502. | RNSPTEC |
| PANASONIC |
TC32A400B
|
TV doesn't turn on, not even the light is off, chip shorted. | Power supply board ok, main board short uoc | Replace main board. | RNSPTEC |
| PANASONIC |
TC-L32B6B
KM21 |
Doesn't start. no standby. | C5012 1uf/10v smd shorted on the main board, connected to pin 6 of the ic5000. | M.L.TOLOI | |
| SAMSUNG |
T23D310LH
|
The TV doesn't turn on, the standby LED stays on, red. | Defect q852, fet smd sot23. | Joaomvjr |