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 | 42LG64FR | Turning off by itself | Replacement of smd capacitors c1128,c109,c1118 and preferably replace all close to them and the memory cis are 100 uf and 10uf | reginaldo moronte,eletronica junior caldas novas | |
| LG | 32LK330 | No audio and video | No audio and video | ||
| LG | RP-29CC | High power supply with 140v | With 140 | Replace se 140 for se110 | Eudes Viana |
| LG | MCD606 | I'm sound | Without 12v | Replace diodes d934 and d935 | Eletronica Mirage |
| LG | 50PN6500 00000 | Turns on and off and goes back to standby | Q401 and q565 and q402 and q559 and q564 and q403 and d603 and q509 | nj eletronica lucie | |
| LG | 42LD420 | Whitish image | C659 smd 22uf x 25v | As a friend already posted on this site. | Agripino, Belém/Pá |
| LG | 42PJ 350 | Turns on normally and then turns off, sometimes it doesn't log back in | Power supply transformer t901 and r920 with cold welding | Just resolve | Cabeça |
| LG | 32LV3700 | Turns on, but no screen appears. | Shorted processor did not pass voltage to tcom. left some capacitors shorted. | Preheat the oven and place the plate with a ball of aluminum foil below the processor for 10 minutes. | Ricardo |
| LG | 32LN549C 32LN5400 | The power supply works with a strong noise as if it were a flyback with the 12v voltage changed to 14.5 on the secondary which are: 3.5, 12, 24v | Resistor smd r235.56k aberto e r239 10k aberto | Replace the respective resistors and the voltage returns to normal. unfortunately the voltage replace caused by the power supply burned the board...I had to make the repair. | ALVES.TEC ELETRONICA ESCADA PERNAMBUCO |
| LG | 32LN549C 32LN5400 | The power supply works with a strong noise as if it were a flyback with the 12v voltage changed to 14.5 on the secondary which are 3.5,12,24v | Resistor smd r235.56k aberto e r239 10k aberto | Replace the respective resistors and the voltage returns to normal. unfortunately the voltage replace caused by the power supply burned the board...I had to make the repair. | ALVES.TEC ELETRONICA ESCADA PERNAMBUCO |
| LG | 42LB5600 EAX6569320 EAX6569320 | TV turns on but no picture | All LEDs short, voltage and high currents around 215v. | Replace all the LEDs and remove the SMD 817 and 817 resistors to lower the voltage and current | Anderson Carlos Conceição de Oliveira |
| LG | 42LS5700 | Turning on and off without stopping, standby blinking | Oxidation on the touch control sensor, the board harness was crushed by the cover | Clean or replace the sensor board and replace the path of the harness so that, when screwing the TV, the cover does not crush the harness | WORLD TV - Sorocaba |
| LG | 43LK5750 | Gray screen, with sound, no video. Normal tcom board voltages. | Tcom board | Replace of it. | arock |
| LG | 42PG20R | Links with strange characters, distorted menu. | Change lc 802 memory | Mariano | |
| LG | 55LA9650 | Turns on but does not light up the screen, normal 3.5v, 12v and 24v power supply, normal power on with 3.5v, but drv on without voltage | Defect on the main board, but as he couldn't find this board to buy, the solution was to heat the processor at 400 degrees for 4 minutes with the consent of the customer who was warned that the problem could return. | Mário Fernandes Testoni Junior | |
| LG | 14FK3RB | The league has 110 volts but does not have 15 kz. | Measuring the processor, a fault was found in the voltage of hor vcc pin 19. solution to change c523 1000uf/10v | ELETRONICA OURICURI | |
| LG | 32LK615BPSB | When turned on, the remote works for about 30 seconds, then stops working. | Remove or replace c4010, main pci. | electronicssupplyparts - Gramado/RS | |
| LG | 14SB1RB | Black lines horizontally (vertical defect) | C314 ceramic capacitor 100nf with broken or open terminal | After changing the TV ok. | George Pontes |
| LG | 47LV5500 | TV turns on without sound and doesn't light up blacklit | Check if tsound is 12v on the tcon, if not, reflux the processor | Went for the hug | ELET. MARINHO |
| LG | 42LK450-SA | Turning off by itself | Lack of grounding on the power supply plates with the main | Solder the grounding edges of the main and power supply plates | Alex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |