Power Supply Board Failure Check - Haier HL42XK1 Service Manual

Horiaontal/vertical
picture shaking
Television out of control

9-2. Power Supply Board failure check.

bars or Check for local interference such as an electrical appliance or
power tool.
Disconnect the television from power supply and 10 seconds
later, connect the television to the power supply. If the problem
still exists, contact authorized after-sales service for technical
assistance.
Change U1/MP1410ES-LF or
D17/SK34A-SMA
Check L9/47 H
It's normal but the
voltage is high
Check Pin No.4 of
U1/MP1410-ES or
change U1
44
Were those
LDO(U10,U13,U16,U18,U19,
etc.)worked normal?
LDO was damaged
or the loader is in
short circuit
It's normal but the
voltage is Low
E33 was damaged
or the loader is in
short circuit