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Results: 87709
Results: 87709
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
T27A550
|
Turning on and off alone, changing channels and other functions alone, intermittent defect | Touch keyboard replacement (control sensor plate) | reginaldo moronte,eletronica junior caldas novas | |
| PHILCO |
PH40U16
|
Doesn't start | Power supply was oscillating, diode dp202 in the primary against the tragus. | Sylvox | |
| PHILIPS |
29PT9467C
SK5 1L CA |
Image closed on the side, reduced frame | Defect, replacement of cap c438, 272pf and bonina l432 next to the flyback | Dj pituka | |
| PHILIPS |
43PFG6825/78
AF212121064147 |
Completely turned off, it doesn't even light up | 33k smd resistance connected to pin 5 of the u702 | José humbeto | |
| LG |
RN9
|
Sound keeps failing | Mosfet in position q208 close to the sound output and the 12000hz crystal | This shit box doesn't have a complete schematic but I managed to solve it by putting a 2n7002bk-gp | ANDREI ELETROINFO |
| AOC |
32S5295
|
I'm sound | Tas5707 audio circuit only | ALBERI F S | |
| SAMSUNG |
UN40D5000
BN44-00458A |
Blinking LED does not turn on | LED bars burned out and q9101 shorted, zeroing 114v supply | REPLACE COMPONENTS | NILTEC |
| TOSHIBA |
MS7860MUS
|
Sound turns on normally and turns off | Stays in protection or turns on and no sound comes out | SMD transistors HQ814 and HQ815 remove both and the sound returns to normal | mamilha |
| LG |
47LM6700
|
LED TV stuttering and won't turn on | On the main board, I disconnected all 24 volt power supply at the main board input connector, the image appeared and sound. I found a shorted capacitor on the 24 volt line. I changed the capacitor and it works perfectly with sound. | Replace capacitor on the 24 volt line very close to the hdmi connectors. | Marcio |
| PHILIPS |
32PFL5604
|
Does not turn on, the relay goes to the white LED. all power supply voltages are normal, but it does not bend pfc, | Cw2 (221k-1kv) with leakage. on the power supply board. | When replacing the TV it worked perfectly. | Real Eléctron Carvalhos MG |
| PHILCO |
PH43C21P
|
Turns on, but no image | Ysus board defect | Changing the sf10a400 diode and the FGD4536 IGBT (replaced by rjp30h1) and the image returned to normal | POWERTERCH |
| PHILIPS |
FWM592
|
Turning off and heating r319 | Polyester capacitor c321 dry | Flavio | |
| SONY |
MHC-V02
|
Locked to a station and the bluetooth connects but no sound comes out | Optical drive cart locked | Manually move the cart forward | BARBADINHA |
| SEMP |
48L2400
|
Only red standby LED and it doesn't work | Missing 3v3 voltage at the output of the n807 powered by the n802 | If tsound is 12v at input pin 2 of the fr9889, tsound is power at pin 7 and at the output tsound is no 5v that will power the n802. replace the ci fr9889 with another one...good luck. | evando viana |
| SEMP |
TV 2015NM
U18 |
White image, reduced frame, no sound and no characters | Q840 short and d840 open, just swap and run for the hug | DTEC_ELETRONICA | |
| LG |
22MA33D
|
Inoperative, no short on board | Capacitors 800 and 804 shorted | Replace the aforementioned capacitors | Gmedeiros |
| SEMP |
LE4050(B)
|
Turns off randomly | Resolder transformer tw902 na power supply | Titon | |
| TCL |
L32S4900S
|
Does not turn on, no stand-by | Power supply | Diodo hbr5200 (ds2) | Brackmann |
| LG |
42LG30R
|
Red LED turns off as if it was going to turn on and it doesn't turn on, power supply voltages are absent | Shorted transistors on the inverter, the fuse did not open, causing the 24v power supply to trip | davi.sls | |
| SEMP TOSHIBA |
2051NAV
U18 |
Sound very low, volume at maximum | The cause of the defect was the completely dead capacitor c613=220uf/25v | ELETRONCA EM CAEM |