Repair Tips
Search:
Results: 88123
Results: 88123
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
LN26D450G1G
|
TV turns on when it heats up, turns off sometimes turns on again, then turns off again | Ci 205 3.3v regulator changed ref: 1117z | I just replaced it and the problem was solved | beto_eletrotec |
| H-BUSTER |
HBTV-32D05HD
|
Turn on, turn on the lights and turn off | D18,d21,d20 and d22, in the secondary of t8 - w1 smd diodes | Eletrônica do Alemão | |
| SAMSUNG |
UN40H4203
|
Turns on and after a few seconds turns off, all normal voltages at the power supply | Shorted main board | Replace the main board or remove the ps on/off pin and turn the LEDs back on | INFOHELP Arauá-SE |
| SAMSUNG |
50C430A1M
|
It doesn't turn on, the relay at the power supply keeps knocking. | Shorted main board | After checking and noticing that the power supply and all voltages were normal, I discarded the power supply, then I scanned the zsus and ysus boards and noticed that both boards had their transistors and were in perfect condition. I isolated the main board and it was found that the short came from it. This type of TV is not advisable for laypeople to attempt to repair, as they have high voltages on the boards and are dangerous. but my problem was resolved and delivered to the satisfied customer. | ELETRÔNICA ALLFATV |
| VISIONTEC |
VT1000 SMART
|
Turns on and off by itself several times | Micro key | Replace microchave | Jr |
| PHILCO |
PH32U20DSWG
|
The original board was scorched caused by lightning, I bought a board and it had the following defect after the change, the TV turns off after 40 and 50 seconds | Software corrupted or incompatible with the screen, in this case I solved the problem by removing the memory from the old board and putting it in the new one. | Try updating the TV with original firmware, if the problem persists even after updating, remove the memory from the old board and place it on the new board. | Eletronica ALLFATV |
| PHILIPS |
32PFL5607D/78
|
It doesn't turn on, it just stays on standby, the LED lights up white and goes to red | Normal power supply voltages, grounded stand by pin, black light comes on and generates all voltages | I did a reset, holding volume + and the arrow key (input) while plugging it into the socket, it worked normally after that. | ser-mga |
| SEMP |
TV 1490
U13 |
High power supply | R830 62k | <small> |
|
| PANASONIC |
TC-21FX30L
|
Turns on and off then arming protection | D511= 10.8v | Replaced it with another one and the TV was perfect | Antonio Carlos (Eletrônica Renascer) |
| PANASONIC |
TC-21FX30L
|
Turns on and off then arming protection | Zenner cm fuga | Replace it with another one and the TV was perfect | Antonio Carlos (Eletrônica Renascer) |
| CCE |
D32
D32 |
Doesn't start | Replace capacitor 68mf po 400v ec16 ec11 and diode d18 high frequency | Replace capacitors at mains input and diode d18 at mains input/secondary power supply but not primary | gilson rocha |
| SAMSUNG |
LN40B530P2M
|
Light bulbs are blinking as if in fear. | Poor contact, or dirty contact in the main board fixings. | Sand the grounding terminals on the main board and also on the panel can. | DANGRA ELTRÔNICA SÃO PAULO |
| PHILIPS |
FWM416/78
|
Shows disc reset fall when inserting the usb pen driver | Lack of reset on the CD due to lack of power | Causes capacitor 168 to short on the 8v line. After changing the capacitor, the 8v came back and the device rang normally | |
| SONY |
KDL-40R485A
|
Turns on the image, turns off. restarts 3x and goes to standbay and the LED flashes 6x after the third time it turns off | Capacitor 39/50v | Replace smd aluminum electrolytic capacitor on the 39μF/50v main board, it is close to the 9500 position i.c, i.c that powers the leds... | MIGUELTV |
| LG |
42LB9RT EAX37617801
|
The power supply does not double or the pfc does not work, it has the 5vts on stand by. if you switch the supply, the power supply for ics u101 and u600 does not appear | Photo normal pc130 optical coupler in test on the power supply board | Replace even though it appears to be good | @gepe |
| PHILIPS |
40PFL9605D
? |
The TV turns on, the image appears and then it turns off, only the sound remains. | Guys, the cause is q702 and q703, these two transistors are responsible for the switching of the transformer that feeds the 185 volts to the LED bars, I replaced the two fets and everything was resolved. | Replace the two fets q702 and q703 that were leaking and everything is resolved, let's stop being selfish and help others. | <small> |
| AOC |
D26W831
|
Turns on normally, after a certain time it turns off and the stand-by light goes out | The defect is in the stand-by circuit itself, more precisely in the power supply that contains the 5v line, this voltage is switched by the ci tny277pn, which heats up a lot! | Replace ci tny277pn, also check capacitors from this line, and it doesn't hurt to check the capacitors on the 12v and 24v lines! | Lucas |
| TOSHIBA |
48L5400
|
Locking and turning off by itself; symptom appears to be led. | 5v protection acting | R828 5k1 mudar p/ 10k | RPS Tecnologia |
| ELSYS |
2.0 PRETO
|
AC outlet doesn't turn on | Replace of r104 and q100 | ERAL - RACHID | |
| LG |
50PN4500
|
Doesn't work, just sby | Q604 - 5v switch | MARCELO BERNARDINO |