One Point Repair Guide - LG FH2 Service Manual

1. NO POWER PROBLEM
No power problem occurs when you power on the unit.
1-1. CON4 22 VA
1-1-1. Solution
Replace F1, IC8 on SMPS board.
1-1-2. How to troubleshoot (Countermeasure)
Case 1) AC/DC OUT has no voltage (Battery's voltage): Check F1, R6, R8 and replace it.
Case 2) CON4 22 VA Abnormal: Check IC8, Q6, D10 and replace it.
1-1-3. Service hint (Any picture/ Remark)
D10 D10
Q6 Q6

ONE POINT REPAIR GUIDE

IC8 IC8
< SMPS circuit >
Case 1 Case 1
IC8 IC8
< SMPS board view >
AC/DC OUT AC/DC OUT
F1 F1
R6 R6
R8 R8
Case 1 Case 1
D10 D10
Q6 Q6
3-2
Case 2 Case 2
R8 R8
R6 R6
Case 2 Case 2