Troubleshooting Block Diagram
1
．
Panel doesn
’
t light up.
Yes
Red
No
Blue
No
Yes
No
No
Yes
Supply with power,
check if red indicator
lights up in STANDBY
state?
Check backlight
board.
Check STANDBY
circuits on power
board.
Press key POWER
on remote control or
the unit, check
indicator.
Check if level of
X101-PIN1 on main
board is high?
Check if level of
X101-PIN5 on main
board is high?
Check power
board.
Check if 5V is supplied
to X101-PIN3 ?
Check power
control circuits on
main board.
Check power
control circuits on
main board.
Summary of Contents for 1 682 351 01
Page 17: ...Speakers Block Diagram N204 NB08 BH3547F NV01 1 ...
Page 30: ...Power board ...
Page 31: ...Backlight board ...
Page 33: ...APPENDIX B Explodedview LED 22XR11F ...
Page 38: ...June 2011 ...
