Repair Tips
Search:
Results: 88013
Results: 88013
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
40H5303
|
Dark screen burnt out leds | Changing the LED bars and removing a resistor from the ovp, the voltage drops from 151 volts to 115 volts. | Warley cesar | |
| SEMP TOSHIBA |
DL3254
|
No image. display lights up. normal sound | Capacitor cd25 10mf shorted and q3 also shorted. Q3:PNP bipolar transistor. bc 557 or outfo pno smd | Sérgio Eletrônica | |
| MONDIAL |
PF-51
PREMIUM |
The keys don't work: cycles, size, colors, start | Capacitor c20 de 47uf 25v | Replace without measuring | Eletrônica Müller |
| SONY |
KDL46NX705
|
Led flashing 6x bad and weak backlight with 278v | Burnt out led bars | Arm the aps262 (ch) power supply in isolation with the 3v stby with 47r resistors for power on, bl on, dimmer and dc dimmer replaced components ps6800 0.5a q6814 2sk4096 r6853 100r ic6802 jrc2904 r6850 increase the value to decrease the led current | Gero Som |
| SONY |
KDL46NX705
APS262 (CH) |
LED flashing 6x | Burnt out led bars | Arm power supply in isolation stby 3v with 100r resistors for, power on, bl on, dimmer and dime | Gero Som |
| HOME THEATER LG |
LHD625
PCI |
Turns it on and b-protection appears | In my case, it was a piece of wire from the boxes falling inside the main board, closing a short at the output with the aluminum heatsink. | Clean the main board, amplifier sector, otherwise it will be necessary to replace the sound output. it will probably be shorted and triggering instantaneous protection | Eletrônica Sorriso-MT |
| HOME THEATER LG |
LHD625
PCI |
Turns it on and b-protection appears | In my case, it was a piece of wire from the boxes falling inside the main board, closing a short at the output with the aluminum heatsink. | Clean the main board, amplifier sector, otherwise it will be necessary to replace the sound output. it will probably be shorted and triggering instantaneous protection | Eletrônica Sorriso-MT |
| LG |
E2060T-PN
715G4197M01-004I |
Turns on after a minute, turns off and doesn't turn on again, after a while it turns off, turns on and then turns off, turning off by itself | U704/703 regulator gh12d looking at datasheet is the same regulator 1117l-1.8v | Defective 1.8v regulator, check the voltage of the 3.3v regulator if it is ok | Eletrônica Sorriso-MT |
| TVSEMP |
2934
SK91 |
It doesn't turn on, it's all off, nothing works, the power supply sounds good, the LED is off | D611shorted | Replaced d 611 it was good again | Reis eletrônica |
| TVSEMP |
2934
SK91 |
Does not turn on, completely off, nothing working, good power supply sound, LED off | D611shorted | Replaced d 611 it was good again | Reis eletrônica |
| LG |
42PQ20R
|
Curtain | Do auto gen to see if the cards are good, disconnect the main power supply and check the controller and remove the lvds cable | Cabeça | |
| LG |
42PQ20R
|
When you put it on, it hits the reread button but nothing works. The main LED lights up green and nothing else | Change main board | Cabeça | |
| USINA 90A |
USINA PLUS
|
Turns on but when you put load on the output it turns off | Replace the 1m resistor that is hidden under the transformer | Rodrigo cofferi | |
| XIAOMI |
STYTJ02YM ASPIRADOR ROBô
|
Robot vacuum cleaner starts reading by rotating quickly just one way, bumping into things. | Open and check motor wires, in my case gray wire broken. | Check all the wires on the motors, as they end up breaking with the movement of the suspension. | Eletrônica EMB |
| PANASONIC |
TC-P50G11B
|
Turns on, but turns off after 10 seconds, then the red LED flashes 11x | One of the fans, it was spinning normally, but tsound was noise when spinning | You have to replace it, testing it turns, but you have to replace it. | Denis Cardoso |
| CENTURY |
NANOBOX
|
Receiver with audio, but without image. | Electrolytic capacitor (cv45) 330ufx6.3v shorted | Galbeiro | |
| SEMP |
1482
|
Vertical closed! | C301 1uf/50v | Replace c301 | MARCONES DE ARARIPINA-PE |
| PHILCO |
PH42E53SG
|
STBY LED is on and the TV won't turn on. | Lack of 24v power supply. | Test the p_on pin, if it has a voltage of +or- 2.5v. test the supply voltages of the ncp1397ag, if they are ok, replace the ncp ci. | EVANDO VIANA |
| PANASONIC |
TC-L42E5BG
|
Power on is already flashing error 3 flashes | Processor bga. | I didn't solve it, I don't do reballing, I only discovered the defect because I heated it with a hairdryer on the processor and the TV started working again, after it cooled down it gave the defect again... | MIGUELTV |
| GRADIENTE |
TV 2924
|
It turned on without an image, when I opened the focus on the flyback, it appeared vertically closed | Diode, d410, toasted, replaced for in4004, it was amazing | 3L Informática |