LG LAS950M - One Point Repair Guide

2-2
ONE POINT REPAIR GUIDE
1. NO POWER PROBLEM
If the unit doesn’t work by no power problem, repair the set according to the following guide.
1-1. No power
1-1-1. Solution
Replace F901, BD901, TH901 on SMPS board.
1-1-2. How to troubleshoot (Countermeasure)
1) Check if the fuse F901 is open or short-circuit.
2) Check if the bridge diode BD901 is short-circuit by over current with a digital multimeter.
3) Check if the NTC thermistor TH901 is normal or open.
1-1-3. Service hint (Any picture / Remark)
F901
If F901 is not
short-circuit,
replace it with a
same specifi cations
one.
BD901
If BD901 is short-circuit,
replace it with a new one.
TH901
If TH901 is open,
replace it with a new one.