Lg Repair Tips
Search: lg
Results: 4875
Results: 4875
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
LG |
42LC4R
|
No signal on hdmi inputs | Capacitors with high esr. | Replace cap. from the comp list: minimum voltage of capacitors 16~25v -- c547-4.7μF c516-10 c117-10 c120-10 c813-100 c824-47 c832-100 c318-10 c316-10 c311-10 | evando viana |
LG |
21FJ8RL
CW81B |
Normal connection with the vertical closed! | C311 | Replace the 2200μF25v c311 without measuring and the TV will work normally. God be praised! | Sinailson furtado |
LG |
32/42LD460
|
Stuck on lg logo or turning off by itself | Ar 1201 and ar1202 open, banks of resistors, located close to the processor. | Measure them all and replace them for the same value | Alex Lopes <small> |
LG |
14SB1RB
|
Secondary power supply below 90v | Photo-coupler | fabiusmax | |
LG |
CJ87
|
Does not turn on or turns on from time to time | X500 and x501 crystals. After heating it turns on... | Replacing it... removing x501 from old cell phone cards, tsound are lots of them. x501 removed from tablet board, exactly 24mhz, they are a little bigger, but they fit perfectly... | cricascell |
LG |
29FS4RL1
|
When turned off, the LED doesn't even light up and the fuse is burning. This TV was burned by lightning. | Shorted rectifier bridge | Mat cap25 ves40 every time you did good to your brother, you did it to me. said the king. | <span class="xxsmall">ELETRONICA NOSSA SENHORA APARECIDA</span> |
LG |
50PK550
|
League, no image | Reballing | Replace the processor balls - autogen before | Eletronica Jambeiro |
LG |
47LM6400
|
When turning on the TV tsound is sound but the image takes a long time to appear. | When connecting the TV, the output of Q2407 (Mosfet for Chanel) does not show 12V (panel power supply). the gate voltage determined by the resistive mesh r2441, r2442 and q2406 was around 11v, that is, very close to 12v, with tsound not being enough vgs to drive the mosfet. It was observed that the gate voltage slowly decreased to a value around 8.5v, causing the MOSFET to conduct and the presence of 12V on its drain, resulting in the TV image. as q2406 is responsible for the voltage value in the gate loop, it was replaced. | Replace q2406 (mmbt3904 manμFacturer nxp). | Valmir |
LG |
14FK3RB
L2 |
No sound, turns on with normal image. | Change or remove capacitor c912. | C912 shorted. | Jadson G Nascimento |
LG |
DHL 625
|
Doesn't start (dead) | Replacement of the diode in the secondary power supply d953 (sr306), diode was shorted | MARCO FERRI | |
LG |
32LX330C
|
Burning leds | LED voltage changed | Replace 2.7Ω r816 to 4.7 homs | Raimundo Antônio-Acre |
DVD LG |
DV361
|
Does not turn on, or takes a long time to turn on. | C121 and d121 changed | Swap c121 and d121 | MARCONES DE ARARIPINA-PE |
LG |
42PQ30R LG
|
TV turns on, stays on for a while or days and turns off. | Power supply capacitor in position 829 with broken solder. solution to solder the capacitor terminals. | All Master Eletronica | |
LG |
CM8440
CM8440-AB |
The front panel LEDs are off | C 130- ceramic capacitor shorted when connected to the 12v line | Replace. | JOÃO ELETRONICO |
LG |
21
CW81A |
Replace r839 | 839 resistor replacement | Replace r839 | Cícero ajude pra se ajudado |
LG |
49UB8550
|
Turns on without image and without LED lighting | Cold soldering processor | Do bga | Andrei lowe 051991421340 |
LG |
32LV300C
|
Power supply turns on and off. When turned on, it makes noise as if the transformer core was vibrating. | 16v zener diode zd9108 shorted. | You have to remove it from the circuit to measure the short. | Persio (TVCompany) |
LG |
32LD420
|
Whitish screen, background image appears more or less normal | Capacitor c659 22mf/16v shorted, next to the flat connectors. | Replace capacitor with another and the 8v voltage returns to normal | GRINGO SERVICOS |
LG |
14SR1AB
|
After a while when connected, functions lock, won't turn on, remote won't work. | X502 32.768mhz crystal, just heat it with the soldering iron and the defect appears. | mfelipe | |
LG |
28LF710B
|
Does not turn on power supply voltage dropping | Capacitor c920 leaking | Replace the 2 smd capacitors c918 and c920 | Lucafer |