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 | 32LX2R YP2632T | Standby light on - TV does not turn on or show any signal when pressing the button | Replacedos 14 capacitadores da power supply c221 c222 c213 c214 c210 c211 c207 c208 c218 c219 c202 c203 c204 c205 | DIOGO | |
| LG | 32LK450 EAX63985401 EAX63985401 | Standby light on - TV does not turn on or show any signal when pressing the button | Changed 12 power supply capacitors (tsound were none with signs of being damaged) c509, c506, c507, c508, c202, c259, c253, c203, c205, c252, c250, c204 | DIOGO | |
| LG | 42LK450 42LK450 | Grainy image | Cabo lvds | Damaged lvds cable replace it or fix it | |
| LG | 21FS4RLG | Image flickers, with retrace lines and even color flaws... the problem is intermittent and only occurs when the equipment is cold and turned off for hours and after some time of use the image stabilizes and the retrace lines disappear | Check leakage and esr of capacitors *c814, c835 and c850 which are technically close | Thiago | |
| LG | 14FK3RB MC059D | Vertical closed 2cm top and 4cm bottom | R 313 from 47k altered to 69k | Replace | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 32LE5300 | No sound, it appears that the phone is on | Resoldering the headphone connector. just run for a hug | Elizeu. DF | |
| LG | 47LEX8 | Hitting the relay, sometimes it would turn on, the logo would appear and it would restart | Capacitors on the 24v line changed, after the change, the defect continued, I replaced all the power supply capacitors, and did a complete resoldering of the board and the TV started working again | levy souza | |
| LG | 32LJ601C | Tsound is no 12 volts for the display | Ci of the back light circuit that generates the 12 volts, change it | ze maria tvs | |
| LG | RP1CB25A MC059A | Horizontal synchronism | Diode d 501, aberto | After changing the TV ok. | George Pontes |
| LG | 52LG70YD | TV with back light on, no sound, no characters or image | Do reballing, remove the heatsink from the ic100 and heat the processor at 450 degrees with a thermal blower on the top of the IC, for around a minute, doing it in a circle. | ||
| LG | 37LD460 | Does not turn on, nor does the standby LED light up | Ceramic capacitor c458 shorted | Replace capacitor c458 | |
| LG | 42LK450 32LK450 | It doesn't tune the channels and when it tunes it works for a while and then disappears | Lack of 12 volt voltage on the varicap selector.. touch ic3701 | Rv Eletronica (Ricardo) | |
| LG | 50PQ30TD | Hdmi inputs inoperative/image flickering or no signal | Leaks in several metallic smd capacitors around the ddr2 memory ic-300 and ic-301 | Replace c-810 and c-826 (22x16v) / c-834 and c-2102 (47x16v) c-323 (100x16v) and that's it, it's great, only one case had to go into the service menu and rename the hdmi inputs. | ROBUSTO63 |
| LG | CL87 | When turned on, it comes with audio, but with a high-pitched horn sound. | The cause of the defect is the clock oscillation x600 crystal. located next to two capacitors on the left facing away from the device. | Replace of the same. With the device turned on, place your finger on the indicated crystal and it will make a different noise. | JC Eletrônica Cícero |
| LG | 50PQ30TD | Hdmi inputs inoperative/image flickering or no signal | Leaks in several metallic smd capacitors around the ddr2 memory ic-300 and ic-301 | Replace c-810 and c-826 (22x16v) / c-834 and c-2102 (47x16v) c-323 (100x16v) and that's it, it's great, only one case had to go into the service menu and rename the hdmi inputs. | ROBUSTO63 |
| LG | 50UN7310 | Turns on normally, but turns off, turns on but no image, normal sound. | Main screen of the display heating up. put heatsink with thermal paste. measures; This main ci, the one that seems to be working, however, does not give commands to the vcc of the vgl, vgh of the panel. | LEANDRO | |
| LG | 43LJ5500 | Does not connect wifi | Wifi card supply voltage less than 3.3 volts | Leaky transistor, on the main board next to the connector that comes from the q2300 (za) power supply, lowering the voltage to 2.8. | |
| LG | 32LE5300 | No sound. TV informs you that the phone is connected. | Ceramic capacitor shorted on the main board c1119 - close to the phone connector on the side of the board. | Just remove the capacitor. | Filipe Furtado |
| LG | 49LJ5500 | Wifi off / can't find wifi | Update software over lan network | Success to all | marigwr |
| LG | 60PA6550 | Turning off after a while | Complete resoldering of PCBs y, z and power supply was carried out. The problem was resolved and another one appeared. 1 fixed horizontal line on the screen. | Flat bμFfet cleaner next to the line. not resolved. cleaning of the 3 flats close to the line was carried out and it was resolved. good luck ! |