8
2.6.
LD-Board Schematic Diagram
+
+
Thermal Pad
LD-BOARD TXNLD1NYUJ
C9505
25V
0.01u
C9518
25V
0.01u
C9506
4.7u
10V
C9503
25V
0.01u
C9501
2.2u
50V
C9516
1800p
50V
C9515
1800p
50V
C9514
1800p
50V
C9513
1800p
50V
C9512
1800p
50V
C9509
1800p
50V
C9507
0.47u
16V
C9510
1800p
50V
C9511
1800p
50V
C9502
16V
0.47u
C9524
0.1u
250V
C9500
470u
35V
C9517
56u
160V
D9522
B0ECKM000048
D9521
B0ECKM000048
D9520
DB2J41100L
D9500
B0FCAM000001
D9509
DZ2J120M0L
D9510
B0BC6R600005
C0ZBZ0001816
IC9500
1
VCC
2
FAIL
3
VREG
4
N
5
PGND
6
CS
7
OVP
8
STB
9
LED1
10
LED2
11
LED3
12
LED4
13
LED5
14
LED6
15
LED7
16
LED8
17
PWM1
18
PWM2
19
PWM3
20
PWM4
21
PWM5
22
PWM6
23
PWM7
24
PWM8
25
S8
26
S7
27
S6
28
S5
29
S4
30
S3
31
S2
32
S1
33
VREF
34
CP
35
SS
36
FB
37
RT
38
LSP
39
UVLO
40
AGND
41
PAD
L9503
J0JHC0000075
L9500
G1C470MA0490
L9501
G1C470MA0490
LED24V
LED24V
LED24V
TP9525
TP9528
TP9529
TP9523
TP9520
TP9519
TP9527
TP9521
TP9522
TP9526
TP9518
TP9517
TP9501
TP9500
TP9502
TP9503
TP9504
TP9505
TP9506
TP9507
TP9508
TP9509
TP9510
TP9511
TP9512
TP9513
TP9514
TP9515
TP9516
TP9524
Q9504
B1MBCMA00001
S1
G1
S2
G2
D2
D2
D1
D1
Q9500
B1MBCMA00001
S1
G1
S2
G2
D2
D2
D1
D1
Q9501
B1MBCMA00001
S1
G1
S2
G2
D2
D2
D1
D1
Q9505
B1MBCMA00001
S1
G1
S2
G2
D2
D2
D1
D1
Q9506
B1CFRM000024
Q9503
B1CFRM000024
Q9502
DSC200100L
R9543
0
R9542
0
R9544
0
R9506
3.3
1%
R9526
130k
R9541
240k
R9702
0
R9540
1
R9548
100
R9547
0
R9549
100
1%
R9512
11k
R9509
3.3
1%
R9550
22
R9551
47k
R9507
3.3
1%
1%
R9511
21.5k
R9521
0.2
R9515
470k
1%
R9556
2.2
R9525
20k
R9523
300k
R9557
2.2
1%
R9513
18.2k
R9510
47k
R9519
0.2
R9539
0
R9504
3.3
R9514
330
R9502
3.3
R9527
20k
R9529
47k
R9508
3.3
1%
R9528
22
R9500
47k
R9503
3.3
R9505
3.3
R9524
240k
R9501
0
R9520
0.2
LD2
K1KY12BA0322
1
2
3
4
5
6
7
8
9
10
11
12
LD4
K1KY14BA0302
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OPERATE
SOS
ANODE1
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
NC
NC
ANODE2
GND
LED_SOS
GND
VCC(24V)
BL_ON
VCC(24V)
VCC(24V)
GND
VCC(24V)
GND
GND
VCC(24V)
NC
PWM1
SUFIX
AC
6
8
7
3
D
4
C
1
2
F
5
A
B
E
9
TO
P-BOARD
(P4)
TO
LCD PANEL
LED DRIVER
!
R9517
20k
R9516
47k