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17.9. SPK SMPS Circuit (SB-NE5)
1
2
3
SCHEMATIC DIAGRAM - 19
A
K
SPK SMPS CIRCUIT
B
C
P1700
D
PW_XSW16R7V
7
I
TO
GND
6
MAIN (DIGINET)
PW_XSW16R7V
5
CIRCUIT (CN58001)
GND
4
IN SCHEMATIC
REGION
3
R1707
DIAGRAM - 11
PCONT
2
10K
STBY_CTRL
1
E
F
Q1700
B1ABGC000001
R1725
22K
PCONT SWITCH
R1727
C1716
100K
0.01
G
NOTE: " * " REF IS FOR INDICATION ONLY
H
1
2
3
4
5
6
: +B SIGNAL LINE
C1710
F1BAF471A013
470P
T1700
G4DYZ0000059
TRANSFORMER
D1700
B0ABSM000008
12
1
11
2
1
2
3
10
3
9
ZA1701*
HEATSINK
8
5
J0JHC0000048
7
6
G1
G2
C1703
25V1000
C1713
R1717
220P
1.2K
Q1701
R1701
DSA500100L
1.5K
STANDBY SWITCH
C1719
C1714
R1706
C1709
0.47
0.1
22K
0.1
R1710
R1711
R1703
R1705
R1716
47K
10K
3.3K
10K
390K
R1728
8.2K
QR1700
B1GBCFJJ0041
4
3
STANDBY CONTROL
R1729
22
1
2
R1730
6.8K
C1704
1000P
1
2
3
ZJ1702
4
5
6
7
8
9
D1701
B0EBNR000049
+ 1
~
2
C1702
F0CAF224A105
~
3
0.22
-
4
R1704
C1705
33K
4700P
C1717
C1706
400V47
200V100
R1708
22
D1703
B0EAKT000063
L1700
R1700
D1708
4.7
DA22F2100L
8
7
6
5
D
D
D
D
IC1700
C0DACYY00012
C1720
10P
SWITCHING REGULATOR
FB/
S/OCP
VCC
GND
OLP
1
2
3
4
PC1701
FEEDBACK
1
4
C1715
2
3
0.1
R1718
R1702
0.22
6.8K
C1701
C1708
50V10
1000P
IC1701
C0DBZMC00006
SHUNT REGULATOR
7
8
9
121
10
11
12
R1726
L1702
C1725
1M
G0B183E00004
F0CAF154A105
Z1752
K1700*
0.15
ERZE08A471CS
2
1
3
4
K1701*
R1724
TH1701*
1M
F1
T2A 250V
C1727
C1728
F1BAF1020020
F1BAF1020020
1000P
1000P
1
2
3
ZJ1701
C1712
C1700
0.1
390P
SC-NE5EF/EG (SB-NE5EF/EG) SPK SMPS CIRCUIT
10
11
12
13
14
A
B
P1751
AC IN
220V ~ 240V 50Hz
C
D
E
F
G
H
13
14
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