Lg Repair Tips
Search: lg
Results: 4898
Results: 4898
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
21FU1RK
MC-059C |
Cushion effect with excess width | Ic401 toasted pin 4 gnd shorted to pin 5 out / ic reference: tda8145 | Replace | GS OLÍVEIRA |
| LG |
42LW5700
|
The logo appears and then the black light turns off | Bus LEDs changed, place a 0.33Ω resistor and series with r268 and r269 on the power supply board, reducing the current. | Marcos Cavalheiro | |
| LG |
50PB650B
|
Turns on with sound without image | Jesus | Replace c671, c672, r201 (open)... check 18v voltage on the y connector. | EletronicaJAMBEIRO |
| LG |
42LD460
|
With picture, without sound | Ic2901 short | jr_TEC | |
| LG |
RP29CC26
|
Black bar on the side. image moved to the side. | Zd401 5v1 short | Replace the 5v1 zener diode zd401 | Lutec |
| LG |
42LD460
|
Flashes standby but does not turn on | Rebaling the bga processor | Rebaling the bga processor | antonio nobrega patos pb |
| LG |
42LG80
|
TV sometimes turns on, other times it only has a blue LED, if it turns on and after it heats up it doesn't turn on until it cools down. I removed the power supply and sometimes it didn't arm after switching from 5v to power on. It stayed at 5v and none of the other voltages appeared... | Check r609, r623 and the others in this pfc line. Mine was changed from 750k to 780k, I changed it and it was back to normal. | J&M | |
| LG |
50PB560B 50PB650B 50PB690B
|
Does not turn on, only 5v standby, when activating the power the standby flashes and comes back on. without va, without vs, without 18v. auto-gen does not activate. | After inspecting the y-sus, z-sus and trying the auto-gen on ctrl bd, without success, I checked several cold soldering points on the power supply PCI, in addition to the IC that switches the va and vs voltages in short. | Complete resoldering of the power supply, replace ic801 (ncp1397bg) | WorldTV + Eletronica Tecnotronic |
| LG |
21
|
Original flyback 6174v-6017a is missing | I put it in place, a tfb4126br, I just had to invert pins 2 and 3 +b and 180v. replace one for the other. | MARCONES DE ARARIPINA-PE | |
| LG |
21
|
Substituto do flyback 6174v-6016a | In the absence of the original, I put a tfb4126 in its place, and it worked! but you need to invert the position of the +b and 180v pins. connect the 180v in place of the +b and the +b in place of the 180v. | Replace of flyback 6174v-6017a for tfb4126. | MARCONES DE ARARIPINA-PE |
| LG |
32LP360 42LP360
|
Turns on, has sound, but no image on the display and no backlight. | Short in c404, main pci. | electronicssupplyparts - Gramado/RS | |
| LG |
32LC4R
|
Does not work, stand by off and 5v stb with slight oscillation. | Change d505 even if it has normal measurement. | RONALDO | |
| LG |
32LB560B
|
TV turns on the LEDs lights up but tsound is no image | Removing the smd capacitor that is on the v-com on the diode side | Jeck | |
| LG |
CM8340
|
Hoarse bass sound | C747 smd next to irs | Neno | |
| 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 |
| 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 | |
| LG |
CM8360
|
No sound, without +65 and -65 voltages | Oxidized pc904 coupler photo, replacing it worked perfectly | Adão Rosa |