Front Board - LG SB95TX-S Service Manual
Network blu-ray disc / dvd wireless home theater system
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Also See for SB95TX-S:
- Owner's manual (94 pages) ,
- Owner's manual (96 pages) ,
- Owner's manual (96 pages)
Table of Contents
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ELECTRICAL TROUBLESHOOTING GUIDE
3. FRONT BOARD
3-1. FRONT BOARD (HB905 / HT905)
Power on
"WELCOME
PLEASE WAIT" Display
on VFD ok?
YES
When you turn
the volume knob, count
is change?
YES
FRONT board ok
NO
CN307 cable
connection ok?
CN306 pin4, 5, 6
power ok?
CN307 pin14,15,16
data signal ok?
IC301
check ok?
Digitron (DIS301) ok?
NO
CN307 pin24, 25
signal ok?
Check MAIN board
2-71
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
Connect 26p FFC cable
Check SMPS board
Check MAIN board
Replace IC301
Replace DIS301
Replace VR301
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Chapters
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