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LST-3100A
Service manual
LG LST-3100A Service Manual page 29
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Also See for LST-3100A
:
Owner's manual
(44 pages)
,
Specifications
(2 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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(F)
YES
Is RS- 232C port setup OK?
(Baudrate, Parity, Data Bit, Stop Bit)
YES
Is the pin 11 of IC102 OK?
(TxD signal) Fig. 08
YES
Is the pin 12 of IC102 OK?
(RxD signal)
Fig. 08
NO
Modify RS- 232C port setup
NO
Check IC109, IC102
NO
Check IC109, IC102
3-20
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Chapters
Section 1 Summary
3
Section 3 Electrical
10
Table of Contents
Troubleshooting
ELECTRICAL TROUBLESHOOTING GUIDE
14
CPU (SYSTEM CONTROL) TROUBLESHOOTING
23
VIDEO TROUBLESHOOTING FLOW
30
ATSC/ QAM FRONT- END TROUBLESHOOTING FLOW
39
FRONT PANEL TROUBLESHOOTING FLOW
40
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