9-4
4. LED Backlight Drive Block Diagram
IC1001
(LED BACKLIGHT DRIVER)
OV
P
CN1001
DRIVE
Q1001
CONTR
OL
LOGIC
4
9
8
6
1
14
2
DRIVE
5
ILED1
6
VLED
4
ILED1
7
ILED2
2
ILED2
1
PO
WER SUPPL
Y CB
A
LCD P
ANEL
ASSEMBL
Y
PR
O
TECT3
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
TO
SYSTEM CONTROL
BLOCK DIAGRAM
P-ON+21V
PL13.9BLBD