UX-B20U/UX-B20C/B25C
6 – 16
[3] Power Supply PWB circuit
1. Power Supply PWB circuit
CNPW
+30V
+30V
1
+5V
+5V
7
8
6
5
4
3
DG
DG
MG
MG
2
P101
JUMPER
D104
HZ-36P
R108
7.5K
R105
7.5K
R102
7.5K
R101
7.5K
R107
5.6K
C103
C102
470/16
VR101
1K
R115
5.6K
C101
100/50
R2
180K
R3
180K
C5
120/200
D8
HZS30
D6
1SS133
D4
1SS133
R9
100
D5
HZS9
C8
220P
BEA1
BL02RN1
C6
4700P
R5
15K
R12
22K
PC1
PC123
R8
33K
R13
820
R11
10K
C9
4700P
R17
680
C11
100P
D12
D11
D13
R1
2.2M
R41
2.2M
C1
0.1
Z1
ENC241
R109
7.5K
R111
2.7K
PC1
PC123
R110
100
BEA101 BL02RN1
R112 820
R113
6.2K
IC101
TA76431AS
C110 0.1
D101
ERC91-02
D102
EC31QS03L
D10
L1
R7
R6 820
C10 0.033
R19 10
Q1
2SK3563
D3
1SS133
R10 6.8K
Q2
FG
C7
4700P
D7
N.M.
F1
250V/2.5A
CNAC
1
3
FG
C111
12
9
8
6
4
3
T1 07D1
2
N.M.
N.M.
NTC1
JUMPER
R4
0
D106
R106
7.5K
R103
5.6K
R104
5.6K
C104
120/16
D10
-D13
ERA15-06
x
4
N.M.
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6
6
5
5
4
4
3
3
2
2
1
1
Power
Supply
PWB
Circuit
Summary of Contents for UX-B20
Page 2: ... i UX B20U UX B20C B25C ...