9-4
4. LED Backlight Drive Block Diagram
IC1001
(LED BACKLIGHT DRIVER)
DRIVE
OV
P
Q1001
3
2
6
14
DRIVE
VREG
13
15
11
VLED1
2
ILED1
1
Q1002
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
CN1001
CONTR
OL
LOGIC
PL14.12BLBD