LG TV Repair: Common Faults and Solutions.
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Results: 4833
Results: 4833
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | HOME THEATER DH6230 | Works for 30 seconds and turns off without audio | Dz914 20v short | Replace dz914 | Beto2828 |
| LG | 42LX6500 | When I turned on the TV, the LG logo appeared and then the LEDs went out and the screen was dark, obeying all the commands but with no image, looking like it was on the LEDs, I saw that tsound was no audio so I reflowed the processor, and the TV started working normally again, I warmed it up for about 5 minutes. | Reflow the processor, just heat it for 5 minutes | Celio | |
| LG | 42LV5500 | The TV turns on the stand by, you give the command to turn it on, the stand by turns off but the TV doesn't turn on. | In this case, to rule out a defect in the LEDs or the power supply, you can use the analog multimeter on the x1 scale to inject a voltage to turn on the back light, placing the red cable on ground and the plate on the drv-tp, unless it is on top. of the connector that goes to the main board. | Mariano | |
| LG | CK56 MGC65219103 | Turns on but no sound comes out | I've checked all the voltages and they're normal. | Marcos Aurélio Correa de Souza | |
| LG | 50PK550 | Tsound is sound without image with a small burning smell | 100n capacitor shorted in parallel to a diode on the y-sus buffer board | Eletrônica mauro | |
| LG | OLED55C1PSA | Does not turn on - flashing 3x standby | The power supply turns on and off, the STB flashes 3x, TCON board with high heat, disconnecting the LVDS cables from the main TV turns on, but without image. this way it is possible to identify the heating of the tcon | Replace the tcon and run for the hug. | LEDTECH - CDS |
| LG | 32LF585B | League without video | C104 shorted on the vcon board kills vgh | Replace | Maurilio |
| LG | 21FU1RL | LED turned on and off at high power | R842, r816, q840 ,foto | R816 of 91k r842 of 27k open replace q840 and the photo just thank God for each day and for another job completed | Rogério TV |
| LG | 14FK3RB MC059D | Vertical closed | R313 amended. | jr_TEC | |
| LG | 21FU1RK-LS MC-059C | Image with excessive width and elongated cushion effect in the corners | Ic401 reference: tda8145 was shorted after changing the ci it was still a little soft and the ci was heating up quickly, I checked it and found the l401 coil toasted! | Replace them... | GS OLÍVEIRA |
| LG | 42LP560M 60LN549E 55LN549E 55LN541C 47LN549E 47LN541C 42LN549E 42LN541C 39LN549E 32LP560M 32LN549E 32LN541C | TV restarts constantly, works for a while and restarts again. | Poor contact in the power line connector. | Andreas | |
| LG | 32LF57 49LF51 49LH57 49UF64 49UH60 | Blue image | The problem arises due to the lack of silicone in the LED strips. | Check and replace LED lines | Andreas |
| LG | 49UH60XX 49UH61XX | No backlight, dark display, white spots in the image. | Problem with the LED strips, replace the LEDs | Andreas | |
| LG | 32LH550B-UA 32LH570B-UC 43LH5500-UA 43LH570A-UE 43LH5700-UD 49LH570A 49LH5700-UD 55LH5750-UB 55LH575A-UE | When it is connected via the RF input, and if it turns on and off, tsound is no audio. | Atualizar para simplesmart-atsc-m2-builds-agrafe-m2-16-03.00.21- usb_v2_secured.epk | Andreas | |
| LG | 19LU55-UB 19LH20-UA 22LH20-UA 22LU55-UB 26LH20-UA 32LH20-UA 32LH30-UA 32LH40-UA 37LF11-UA 37LH20 37LH30-UA 37LH55-UA 42LF11-UA 42LH20-UA 42LH30-UA 42LH55-UA, 47LF11-UA 47LH30-UA 55LH40-UA EAX56738102/3 EAX55729301/2 | No image, red on/off LED blinking | This problem originates from the mlcc capacitor. remove capacitor from circuit. | Pcb:eax55729301/2 remover c848; pcb:eax56738102/3 remover c755. | Andreas |
| 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 |