Sharp LC-23LE448RU Service Manual page 19

TROUBLESHOOTING GUIDE (continued)
Panel does not light.
CP2000 is connected
to the CNB802?
Does 1 3 pins of CNB802
have the voltage of 11V?
Does 1 pins of UB801 have
the voltage of 12V?
Change Main board
No
Yes
No
Yes
No
Connect CP2000 to CNB802
Change Panel
Change UB801
E-3