XE-A203U/XE-A203A
CIRCUIT DIAGRAM AND PWB LAYOUT
– 17 –
Q1:HEAT SINK
IPEAK>12A :100%
NOT
INSTALL
6,8pin:N.C
NOT
INSTALL
L:ON
NOT
INSTALL
P-OFF
H:OFF
FROM BATTERY
L:OFF
FROM TRANSFORMER
VCC +5V
H,OPEN:ON
VCC +5V
VO:23.8V
HEAT SINK
HEAT SINK
VLED +5.8V
with FUSE
KRC106S
21
3
BE
C
BE
C
1
2
3
KTD998
KRA106S
BE
2
C
1
3
/VOFF
VO
/VOFF
TCOFF
2
VO
1
/VOFF
VO
1
/POFF
1
/VON
2
VBAT
1
/POFF
1
VPON
1
VP
VLED
VDD
VLED
VCC
VCC
C54
0.022uF(M)
R84
22K
+
C49
10uF/10V OS
1
2
Q5
KTD998
1
3
2
Q6
KRC106S
2
1
3
+
C46
330uF
16V
1
2
R107
33
R98
0
D10
1SS133
1
2
F2
3.15A
R6
10K
D7
1SS133
1
2
IC12
LM2574
1
5
7
3
4
2
D8
1SS133
1
2
R91
9.1KF
C55
0.1uF
R95
56K
ZD3
UDZS5.1B
1
2
C51
0.1uF
D14
RB060L40
1
2
R88
0
+
-
IC14B
BA10393
5
6
7
8
4
R99
100
R8
10K
CN8
TJC3-2A(BLUE)
1
2
D15
RB060L40
1
2
D17
1SS133
1
2
D6
FMB-G24H
1
2
R7
10K
F3
1.0A
R105
560
R83
17.8KF
Q8
KRC106S
2
1
3
R101
3.9KF
D13
RB721Q
1
2
R96
910F
R92
2.7KF
R93
2.7K
Q7
KRA106S
2
1
3
CN7
VH-2A
1
2
R86
18K
L2
180uH
+
C47
220uF/50V
1
2
D12
1N4002
1
2
R82
10(FUSE)
R85
3.3KF
ZD5
UDZS4.3B
1
2
ZD1
PTZ9.1B
1
2
L1
63uH
R89
2.2K
D9
RB060L40
1
2
ZD4
UDZS5.1B
1
2
+
-
IC14A
BA10393
3
2
1
8
4
IC13
PQ1CG2032FZ
1
4
2
5
3
VIN
ADJ
VOUT
ON/OFF
COM
+
C43
3300uF
50V
1
2
R9
10K
C42
MYLAR
0.033uF
+
C44
4700uF
16V
1
2
+
C53
1000uF/35V
1
2
ZD2
PTZ6.2B
1
2
+
C45
1000uF
16V
1
2
+
C48
1uF/50V
1
2
R97
220
R100
3.3M
R90
2.7K
D11
1N4002
1
2
L3
220uH
C50
0.1uF(M)
D16
RB060L40
1
2
IC15
PQ1CG2032FZ
1
4
2
5
3
VIN
ADJ
VOUT
ON/OFF
COM
R94
22K
R87
24K
+
C52
220uF/50V
1
2
-+
D5
BR32
4
1
2
3
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
3/4
PO
WER CIRCUIT