LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 55SL80YD | Doesn't start | 5v line | Diode d 201 and diode d 202 short or leak | marcelo eletrom |
| LG | CM4440 | No sound goes into protection shuts down | Falta 12v | Check for possible short on the 12v line. | samuel leite |
| LG | 39LN5400 | Turning off | Secondary power supply without power | Replace c201 1000μF/10v, c203 470μF/10v, c209 470μF/50v | eletronica fernandes - to |
| LG | 32CS460 EAX61124201/15 | Turn on and off | Scrape off the paint next to the screw next to the paint light connector | Eletronica smart | |
| LG | 29FS7 CW62C | Hits the relay does not oscillate and with normal power supplys. | Precision resistor r556 39k | Replace, receive the money and take one. | ELTON CASTRO |
| LG | 29CC9RL | Does not turn on, low secondary supply, almost zero. | R 837 5k6 open primary power supply, close to str. voltage in the photo fluctuating. | After changing the duct ok. | George Pontes |
| LG | 21FU1RLG | Cushion effect | 15k open r451 | I replaced it and it resolved | PATRICK |
| LG | 21FU4RL CW 81A | Flyback noise and out-of-sync image | Capacitor c412 | 3R | |
| LG | MCD605-F | Works with the display off. all normal functions with the exception of the display. | Tsound was no positive voltage on the fl+ line. gave feedback from the fl- that feeds the display. open 931 rectifier diode (at the foot of the t901 power supply). Replaces it with a 1n4007. | Eletrônica R-Tec | |
| LG | 42PW350 | Turns on and off after a while | R902 47k smd alterando | Replace | Paulo |
| LG | 32LB9RTA | Doesn't start. | The power supply is normal, but it does not receive a st by pulse from the processor. | 4k7 resistor r1010 open on main pci | duc40rj |
| LG | 32LN540B | TV turns on with white screen warming up ci uc1 on t-com | Smd capacitor c102 on v-com (screen board) | GSAELETRONICA GRANJA CALIFORNIA | |
| LG | 20CB62 | Turns on standby and turns off slowly | Ic 801 ic802 e ic805 | HP ELETRONICA | |
| LG | 39LN5400 | Screen going dark in a short time. intermittent defect. | Altered power supply electrolytic capacitors. | Replace all electrolytic capacitors on the power supply. | WELLINGTON SOUSA |
| LG | 14FK3RB | Does not turn on or stand by | Replace c 543 | Elect 220x16 shorted | jcgiantomaso |
| LG | 14SB1RB | Hiss in the sound | C507 | 3R | |
| LG | 32CS460 | Inoperative, fuses were all good, 20v was missing | In my case it was the smd transistor q203 close to the p201 connector | Replace the same fdd 5614p | Mauricio Eletrônica Santa Fé Cassilândia-MS |
| LG | LMU1060A | Low sound | Lack of food | Place a 560k resistor between pins 3 and 4 of the pc901 on the power supply board | Emerson |
| LG | RP14CB25A | No audio out of tune type | Electrolytic cap 1uf x 50v c504 next to varicap | Gam serviços Garanhuns PE | |
| LG | CM 4650 | No sound and after protection | On the power supply board pin 6 of the cn 901 connector wsound 12v should come out, 7v was coming out defect in the regulator ic 931 78r12 | After the replace resolved | PATRICK |