Philips 32PFL2507/F8 - LED Backlight Drive Block Diagram

9-4
4. LED Backlight Drive Block Diagram
IC1001 (LED BACKLIGHT DRIVER)
OVP
CN1001
DRIVE
Q1001
CONTROL LOGIC
10 16 14 13
1
DRIVE 3
2
DRIVE 5
4
DRIVE
ILED16 VLED4 ILED27 ILED32 ILED41
POWER SUPPLY CBA
LCD PANEL ASSEMBLY
PROTECT3
BACKLIGHT-ADJ BACKLIGHT-SW
TO SYSTEM CONTROL BLOCK DIAGRAM
P-ON+21V
PL12.6BLBD