Haier HL42XK1, Service Manual

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44
Horiaontal/vertical bars or
picture shaking
Check for local interference such as an electrical appliance or
power tool.
Television out of control
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.
9-2. Power Supply Board failure check.
&KHFN)$IRU9˛
&KHFN)DQGSHULSKHUDOSRZHUVXSSO\
&KHFN(­)9IRU9
)LVGDPDJHG˛
Were those
LDO(U10,U13,U16,U18,U19,
etc.)worked normal?
2.
7XUQRQWKH79VHW%\ EXWWRQRU
UHPRWHFRQWURO
&KHFNSRZHU
VXSSO\QHW
IROORZ)
&KHFN80&8
3RZHUVXSSO\8ǃ8
5HVHWVLJQDO
&U\VWDO
LDO was damaged
or the loader is in
short circuit
2.
&KHFN8IRU9
RXWSXW
Change U1/MP1410ES-LF or
D17/SK34A-SMA
Check L9/47 ­ H
It’s normal but the
voltage is high
It’s normal but the
voltage is Low
Check Pin No.4 of
U1/MP1410-ES or
change U1
E33 was damaged
or the loader is in
short circuit
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