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 | LN5400 | Doesn't start | Power supply | Ic101 (ssc1s311a), r107 (22Ω), r108 (100Ω), q101 (mdf11n65b), c102 (330pf 1kv), f100 (t5a h 250v) - em curto/abertos | Carlos Modesto |
| LG | LN5400 | Doesn't start | Power supply | Ic101 (ssc1s311a) | Carlos Modesto |
| LG | 42LD460 | Does not turn on or standby | C-457 and c460 shorted, leading to c-405, 459 and which are in parallel with the same symptom, also killing the 3.5v power supply. | Replace of c-457 and c-460. | EVALDO DE OLIVEIRA |
| LG | 55LA6210 | Stand bay flashing and won't turn on | C 2430 shorted is close to the connector that comes from the power supply | Roberto | |
| LG | RAD225B | The device turned on but after a while it turned off, with the functions locked. | Missing panel buttons, replace all buttons with new buttons. | ||
| LG | RAD 225B | The device turned on but after a while it turned off, with the functions locked. | Missing panel buttons, replace all buttons with new buttons. | ||
| LG | 21FJ8RL CW81B | Dark image giving the impression of a weak tube but if you set the screen to maximum the image looks good | This LG chassis and some other 14, 20 and 21 inch chassis have a habit of corroding the kinescope board, tsound's no point trying to recover it because if it doesn't return | The solution is to replace the kinescope board, you can put the kinescope board from any 20 and 21 inch LG TV. If the kinescope board has showing signs of corrosion, replace to avoid future returns | El Cuajinais Vintage |
| LG | 21FU6TL CW81B | Dark image giving the impression of a weak tube but if you set the screen to maximum the image looks good | This LG chassis and some other 14, 20 and 21 inch chassis have a habit of corroding the kinescope board, tsound's no point trying to recover it because if it doesn't return | The solution is to replace the kinescope board, you can put the kinescope board from any 20 and 21 inch LG TV. If the kinescope board has showing signs of corrosion, replace to avoid future returns | El Cuajinais Vintage |
| LG | 21FU6TL CW81B | Dark image giving the impression of a weak tube but if you set the screen to maximum the image looks good | This LG chassis and some other 14, 20 and 21 inch chassis have a habit of corroding the kinescope board, tsound's no point trying to recover it because if it doesn't return | The solution is to replace the kinescope board, you can put the kinescope board from any 20 and 21 inch LG TV. If the board has 9 or 12 it will work fine, this 12 or 9 V is in the harness that comes from the main board, this harness is what receives the RGB signal from the micro, | El Cuajinais Vintage |
| LG | 42PW350 | Image all grainy | Resistor on the board ysus r424 or 426,470 man next to the transistor q706 under the board | ||
| LG | 50PT250 | Turn on the image appears and disappears only the sound | Remove the 2-man and 10-man resistors, sand the terminals and resolder | Cabeça | |
| LG | 42PG20R | Turns on for a few minutes, loses sound and turns off | Change the capacitors on the main board. c879,875 of 10mf/10v and capacitors 1110,1118,1128 of 100mf/16v | Flavio | |
| LG | 32LM627 | Control doesn't work | Remove capacitor c4010 right next to the lvds connector tracks on the main board | Eletrônica Mirage | |
| LG | 49UK6310PSE LC490DGJ.ABLA1 | Dead, no standby, 12v line with only 3v | Shorted LED bus killing the voltages on the power supply board | LED kit replacement | World TV - Sorocaba |
| LG | 32LN549C EAX65284601 EAX65284601 | Turns off randomly. | Cold solder on diode d203 (chopper output) and t101 (chopper). | Resolder | Eletrônica R-TEC |
| LG | OM7560 706AZWS4Q425 | Some key stuck | Defect in any function of the keys | Severino Ramos Nunes Juvenal | |
| LG | 32LH35FD | Takes time to call | Replace c831, c889 and c829 on mainboard | Can put capacitors for 6.3v | Mitzko BNU |
| LG | 32LV3500 | Takes time to call | C105 smd no pino 7 do ic101 power supply | Pardal-x | |
| LG | LG32LE5300 | No sound or no sound | In my case it was an open track near the sound output. | Luciano Fontes | |
| LG | 42LB6200 | TV doesn't turn on | Transistor q601 (k10a60w) shorted | Replace the mosfet | Robson RJM |