One Point Repair Guide; Power Problem (Pvdd) - LG SJ3 Service Manual

1. NO POWER PROBLEM (PVDD)
No power problem occurs when you power on the unit.
1-1. Solution
Replace SMPS board.
1-2. How to troubleshoot (Countermeasure)
1) Check the PVDD voltage 24.5 V at pin4, 5, 6.
When you check the no power at this point, then replace SMPS board.
1-3. Service hint (Any picture / Remark)

ONE POINT REPAIR GUIDE

< PVDD circuit >
< MAIN board top view >
PVDD PVDD
CN601 pin4, 5, 6 CN601 pin4, 5, 6
3-2