Cam Board Circuit - LG LSS-3200A Service Manual
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Also See for LSS-3200A:
- Owner's manual (125 pages) ,
- Specifications (2 pages) ,
- Owner's manual (112 pages)
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12. CAM Board CIRCUIT
1. If smart card does not operate normally
START
YES
The satellite channel setup is
succeeded?
YES
The IC 5V, 3.3V powers are supplied
normally?
YES
The smart card is inserted?
YES
The clock #1 operates normally?
YES
END
FIG. 01
IC100(15) : Smart Card Clock 4.608MHz
NO
Refer the TP- Demux Troubleshooting
page.
NO
Check IC100(6) voltage : 5V
Check IC100(21) voltage : 3.3V
NO
Check IC100(10) voltage : 3.1V
NO
Check IC100(15) clock waveform
: See FIG. 01
3-46
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