FUNAI LF320EM4F - Page 32

9-5
4. LED Backlight Drive Block Diagram
IC1001 (LED BACKLIGHT DRIVER)
OVP
CN1001
DRIVE
Q1001
CONTROL LOGIC
1
13
5 6 7
12
DRIVE
VREG
FAIL DETECT
11 17 15
VLED1 ILED2
Q1003
POWER SUPPLY CBA
LCD PANEL ASSEMBLY
PROTECT3
BACKLIGHT-ADJ BACKLIGHT-SW
TO SYSTEM CONTROL BLOCK DIAGRAM
P-ON+21V
FL13.8BLBD