Haier L22C360 Service Manual page 40

9-2. Main board failure check
State: No Sound
No Sound
(All Mode)
Check the input
Source
pass
Check
input/output
pass
Check
input/output
pass
Check
input/output
pass
Check
Speaker
pass
Check
Sperker wire
fail
fail
the
fail
the
fail
the
fail
the
the
-40 -
Service Manual
Model No.:
Change Source input
Re-soldering or change
IC U705
IC U13
Re-soldering or change
IC U706
IC U55
Re-soldering or change
IC U10
IC U2
Change the Speaker