One Point Repair Instruction; No Power Problem - LG BD550 Service Manual

ONE POINT REPAIR INSTRUCTION

1. NO POWER PROBLEM

No power problem occurs when you power on the unit.
1-1. F101, BD101 and R101
1-1-1. Solution
replace F101, Bd101, r101 on SMPS board.
1-1-2. How to troubleshoot (Countermeasure)
1) look at the physical of fuse.
2) check the bridge diode.
3) check the r101 short or open.
1-1-3. Service hint (Any picture / Remark)
< Fuse, F101>
can look at the physical condition
< Bridge diode, Bd101 >
3-68
< resistor, r101 >
if r101 open state,
it is change new component
2010