Mainboard Failure Check - Haier HL32XSL2 Service Manual

9-3. Mainboard Failure Check

No Sound
(All Mode)
Check the input
Source
Pass
Check
input/output
Of IC U13 of Main
B/D
Pass
Check
input/output
Of IC U55 of Main
B/D
Pass
Source
Check
input/output
Of IC U2 of Main B/D
Pass
Source
Check
Speaker
Source
Pass
Check
Sperker wire
Symptom: No Sound
Fail
Fail
the
Fail
the
Fail
the
Fail
the
the
Service Manual
Model No.: HL32XSL2
Change Source input
Re-soldering or change
IC U13
Re-soldering or change
IC U55
Re-soldering or change
IC U2
Change the Speaker
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