9-3. Mainboard Failure Check
Symptom: No Sound
No Sound
(All Mode)
Check the input
Source
Change Source input
Check
the
input/output
Of IC U13 of Main
B/D
Source
Re-soldering or change
IC U13
Check
the
input/output
Of IC U55 of Main
B/D
Source
Re-soldering or change
IC U55
Check
the
input/output
Of IC U2 of Main B/D
Source
Re-soldering or change
IC U2
Check
the
Speaker
Change the Speaker
Check
the
Sperker wire
Fail
Pass
Fail
Fail
Fail
Fail
Pass
Pass
Pass
Pass
Service Manual
Model No.: HLC32K2
54
Summary of Contents for HL32K2
Page 10: ...Service Manual Model No HLC32K2 9 2 2 External pictures four faces Front Side Left Side ...
Page 11: ...Service Manual Model No HLC32K2 10 Right Side Back Side ...
Page 47: ...8 2 2 Video Service Manual Model No HLC32K2 46 ...
Page 48: ...8 2 3 Audio 8 2 4 Picture Mode Service Manual Model No HLC32K2 47 ...
Page 50: ...8 2 7 Back Light 8 2 8 Mod_Param Service Manual Model No HLC32K2 49 ...
Page 51: ...8 2 9 Function 8 2 10 Reste to default Service Manual Model No HLC32K2 50 ...
Page 52: ...Service Manual Model No HLC32K2 51 ...
Page 54: ...9 2 Power Supply Board Failure Check Service Manual Model No HLC32K2 53 ...