Philips 32” LCD TV - LED Backlight Drive Block Diagram

9-4
4. LED Backlight Drive Block Diagram
IC1001 (LED BACKLIGHT DRIVER)
DRIVE
OVP
Q1001
3
2 6
14
DRIVE
VREG
13 15 11
VLED12 ILED11
Q1002
POWER SUPPLY CBA
LCD PANEL ASSEMBLY
PROTECT3
BACKLIGHT-ADJ BACKLIGHT-SW
TO SYSTEM CONTROL BLOCK DIAGRAM
P-ON+21V
CN1001
CONTROL LOGIC
PL14.12BLBD