Search: 42LB7DF
Results: 5

42LB7DF Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG42LB7DF
Does not tune dtv channelsRipple in foodC817 replaceMarcos infotron-ltda
LG 42LB7DF
Sometimes it turns on, often it doesn't, the LED blinks, activates the inverter but tsound is no imageC401 reset circuit openReplace c401 10μF/16 vRoney Nogueira
LG42LB7DF
Sometimes it turns on but the image stays darkPower transistor 07n60c3 location q706 check q707 tooSwapping for a 12n50 power mosfet, solved the problemCELSOKAYRAN
LG42LB7DF-SB
LJ-81A
Takes time to callSecondary power supply with puffed capsReplace inflated caps on the secondary, c202, c217, c218, c226, c210 and c206, all 105 degreesRomolo Filho
LG42LB7DF-SB
LJ-81A
Takes time to callSecondary power supply with puffed capsReplace inflated caps on the secondary, c202, c217, c218, c226, c210 and c206, all 105 degreesRomolo Filho