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9-4
4. LED Backlight Drive Block Diagram
IC1101
(LED BACKLIGHT DRIVER)
OV
P
DRIVE
LOGIC
ISW
Q1101
3
2
6
LOGIC
14
DRIVE
LDO
F
AIL
DETECT
13
15
11
VLED1
1
ILED1
2
VLED2
3
ILED2
4
Q1103
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
VIN
Q1203
Q1303
CN1101
CN1101
IC1201
(LED BACKLIGHT DRIVER)
OV
P
DRIVE
LOGIC
ISW
Q1201
3
2
6
LOGIC
14
DRIVE
LDO
F
AIL
DETECT
13
15
11
IC1301
(LED BACKLIGHT DRIVER)
OV
P
DRIVE
LOGIC
ISW
Q1301
3
2
6
LOGIC
14
DRIVE
LDO
F
AIL
DETECT
13
15
11
VLED3
1
ILED3
2
CN1301
PL14.24BLBD
Summary of Contents for 50PFL4909/F7
Page 16: ...4 4 PL14 24 A_DC 4 Power Supply CBA S 9 5 Digital Main CBA Unit S 8 Jack Holder Fig D2 ...
Page 58: ...2014 02 27 13 6 A4DU2EL fm T1701 TRANS POWER BCK 35DH LTT3PCMEK031 Ref No Description Part No ...
Page 60: ...PL14 24COM COMPARISON LIST OF MODEL NAMES Chassis PL14 24 50PFL4909 F7 DS1 A4DU2UH ...