Search: 42LB9RTB
Results: 3
Results: 3
42LB9RTB Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
42LB9RTB
|
Picture failure | 6870c0119a can be placed 6870c0170b | Despite the size difference, the functions of the two boards are the same. | orlando lott |
| LG |
42LB9RTB
|
No image, hdmi problems | The lack of image was related to the cable that connects the power supply and the inverter board, the cable was completely charred, while the problem with the hdmi ports was caused by a lightning strike in the decoder | Replace the inverter board cable and connector, replacement of the ic1200 (sil9021ctu) hdmi controller, q1202 (aly - 2sc3875), r1215 to r1222 (3r3), ic1202 ( 24lc02b) - note: record data with content from the ic1201, d1201 (b3 - kds 184s), r1237 and r1238 (100r), r1279 and r1208 (1k), r1255 and r1254 (100r) | CDS_DIAS |
| LG |
42LB9RTB
|
Doesn't start. | Power supply blowing 5 amp fuse. | Replacing the sd20n60 mosfets. if you can't find it, use the 30n60. | BICHARA |