9-4
4. LED Backlight Drive Block Diagram
VLED1
1
ILED1
3
PO
WER SUPPL
Y CB
A
LCD P
ANEL
ASSEMBL
Y
ILED2
4
ILED3
5
ILED4
7
ILED5
8
ILED6
9
VLED2
11
IC1001
(LED BACKLIGHT DRIVER)
OV
P
CN1001
DRIVE
Q1001
CONTR
OL
LOGIC
10
16
14
24
13
1
DRIVE
3
2
DRIVE
5
P-ON+21V
PR
O
TECT3
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
TO
SYSTEM CONTROL
BLOCK DIAGRAM
IC1002
(LED BACKLIGHT DRIVER)
OV
P
DRIVE
Q1002
CONTR
OL
LOGIC
10
16
14
24
13
1
DRIVE
3
2
DRIVE
5
PL13.11BLBD