Philips 32PFL4007D/78 Service Manual page 48

Circuit Diagrams and PWB Layouts
10-2-3 LED Driver
LED Driver
A03
IC8501
1 8
DIM
DIM COMP
2 7
EN FLAG GM
3 6
12V_LED
VCC ISET
4 5
LED-1
LED GND
PF7703S
C8158 + C8157
100N 50V
NC
IC8504
1 8
DIM LED-COMP
DIM COMP
2 7
EN FLAG GM
3 6
12V_LED
VCC ISET
4 5
LED-5 LED GND
R8504
11K 1%
PF7703S
C8518
100N 50V
IC8507
1 8
DIM DIM COMP LED-COMP
2 7
EN
FLAG GM
3 6
12V_LED VCC ISET
4 5
LED-8 LED GND
R8507
11K 1%
NC
C8519
100N 50V
IC8510
1 8
DIM LED-COMP
DIM COMP
2 7
EN FLAG GM
3 6
12V_LED
VCC ISET
4 5
LED-15 LED GND
R8510
11K 1%
PF7703S
C8520
100N 50V
IC8513
1 8
DIM LED-COMP
DIM COMP
2 7
EN
FLAG GM
3 6
12V_LED VCC ISET
4 5 R8513
LED-9
LED GND
11K 1%
NC
C8521
100N 50V
IC8515
1 8
DIM DIM COMP LED-COMP
2 7
EN FLAG GM
3 6
12V_LED
VCC ISET
4 5
LED-11 LED GND
R8515
11K 1%
PF7703S
C8522
100N 50V
TPM9.2L LA 10.
IC8502
LED-COMP
1
DIM DIM COMP
2
EN
FLAG GM
3
12V_LED
VCC ISET
R8501 4
LED-6 LED GND
11K 1% C8501
1UF 16V
PF7703S
C8523
100N 50V
IC8505
1
DIM DIM COMP
2
EN
FLAG GM
3
12V_LED VCC ISET
C8504 4
LED-3 LED GND
1UF 16V
PF7703S
C8524
100N 50V
IC8508
1
DIM
DIM COMP
2
EN FLAG GM
3
12V_LED VCC ISET
C8507 4
LED-7
LED GND
1UF 16V
NC
C8525
100N 50V
IC8511
1
DIM DIM COMP
2
EN
FLAG GM
3
12V_LED VCC ISET
C8510 4
LED-12 LED GND
1UF 16V
PF7703S
C8526
100N 50V
IC8514
1
DIM
DIM COMP
2
EN FLAG GM
3
12V_LED
VCC ISET
4
LED-10 LED GND
C8513
1UF 16V
NC
C8527
100N 50V
IC8516
1
DIM
DIM COMP
2
EN FLAG GM
3
12V_LED VCC ISET
4
LED-13
LED GND
C8515
PF7703S
1UF 16V
C8528
100N 50V
EN 48
8
LED-COMP DIM
7
EN
6
12V_LED
5
LED-2
R8502
11K 1% C8502
1UF 16V
DIM
8
LED-COMP EN
7
12V_LED
6
LED-4
5
R8505
11K 1% C8505
1UF 16V
8
LED-COMP
7
DIM
6
EN
5
12V_LED
R8508 C8508
LED-14
1UF 16V
11K 1%
8
LED-COMP DIM
7
EN
6
12V_LED
5 R8511
LED-16
11K 1% C8511
1UF 16V
8
LED-COMP
7
VLED
6
5
R8514 C8514
11K 1% 1UF 16V
LED-9
LED-10
LED-11
LED-12
LED-13
8
LED-COMP LED-14
7
LED-15
6
LED-16
5 C8516
1UF 16V
R8516
11K 1%
VLED
back to
2012-Mar-30
div. table
IC8503
1 8
DIM COMP LED-COMP
2 7
FLAG GM
3 6
VCC ISET
4 5
LED GND
R8503
11K 1% C8503
PF7703S
1UF 16V
C8529
100N 50V
IC8506
1 8
LED-COMP
DIM COMP
2 7
FLAG GM
3 6
VCC ISET
4 5
LED GND
R8506 C8506
11K 1% 1UF 16V
PF7703S
C8530
100N 50V
IC8509
1 8
DIM COMP LED-COMP
2 7
FLAG GM
3 6
VCC ISET
4 5
LED GND
R8509 C8509
11K 1% 1UF 16V
PF7703S
C8531
100N 50V
IC8512
1 8
DIM COMP LED-COMP
2 7
FLAG GM
3 6
VCC ISET
4 5 R8512 C8512
LED GND LED-11
11K 1% 1UF 16V
LED-16
PF7703S
LED-12
LED-15
LED-13
C8532
LED-14
100N 50V
VLED
VLED
CN8501
CN8502
12 12
11 11
10 10
LED-1 VLED
9 9
LED-2
8 8
LED-3 LED-4
7 7
LED-4 LED-3
6 6
LED-5 LED-5
5 5
LED-6 LED-2
4 4
LED-7 LED-6
3 3
LED-8 LED-1
2 2
1 1
NC NC
VLED
LED Driver
A03
CN8503
1
2
3
4
5
6
7
8
NC
CN8504
1
2
3
4
5
6
7
8
NC
1 2012-01-10
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