9-9
4. LED Backlight Drive Block Diagram
IC1001
(LED BACKLIGHT DRIVER)
OV
P
CN1001
DRIVE
Q1001
CONTR
OL
LOGIC
10
16
14
13
1
DRIVE
3
2
DRIVE
5
DRIVE
4
ILED1
6
VLED
4
ILED2
7
ILED3
2
ILED4
1
P-ON+21V
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
PL12.0BBLBD