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Philips PL22.06 - LED Backlight Drive Block Diagram

Philips PL22.06
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9-4
4. LED Backlight Drive Block Diagram
POWER SUPLLY CBA
LCD PANEL
ASSEMBLY
BACKLIGHT-SW
P-ON+13V
TO
SYSTEM CONTROL
BLOCKDIAGRAM
VLED11
ILED24
CN1001
BACKLIGHT-ADJ
TO
POWER SUPPLY
BLOCK DIAGRAM
VLED
ILED
Q752
Q751
Q757
Q753, Q754
SW+13V
LED
BACKLIGHT
DRIVE
IC752
SHUNT
REGULATOR
Q756
Q755
SW+13V
PL22.06BLBD

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