42LB7DF TV Repair: Common Faults and Solutions.
Search: 42LB7DF
Results: 5
Results: 5
42LB7DF Repair Guide: Common Issues and Fixes
Brand | Model | Fault | Detailed Problem | Solution | By |
---|---|---|---|---|---|
LG | 42LB7DF | Does not tune dtv channels | Ripple in food | C817 replace | Marcos infotron-ltda |
LG | 42LB7DF | Sometimes it turns on, often it doesn't, the LED blinks, activates the inverter but tsound is no image | C401 reset circuit open | Replace c401 10μF/16 v | Roney Nogueira |
LG | 42LB7DF | Sometimes it turns on but the image stays dark | Power transistor 07n60c3 location q706 check q707 too | Swapping for a 12n50 power mosfet, solved the problem | CELSOKAYRAN |
LG | 42LB7DF-SB LJ-81A | Takes time to call | Secondary power supply with puffed caps | Replace inflated caps on the secondary, c202, c217, c218, c226, c210 and c206, all 105 degrees | Romolo Filho |
LG | 42LB7DF-SB LJ-81A | Takes time to call | Secondary power supply with puffed caps | Replace inflated caps on the secondary, c202, c217, c218, c226, c210 and c206, all 105 degrees | Romolo Filho |