GND1
GND2
1
3
SW4
SW440064
2
4
5
6
1
2
HDR322074
P7
HDR322074
P10
1
2
1
2
HDR322074
P11
HDR322074
P12
1
2
R1186
4.99
R1187
4.99
R1188
4.99
R1189
4.99
R1223
12.1K
L133
600
1
2
B2P-VH(LF)(SN)
P8
R1224
12.1K
12.1K
R1225
10uF
35V
C939
10uF
C940
35V
39.2K
R1229
1K
R470
R1230
33K
22.1K
R1233
R1231
33K
1
D
C
B
A
2
3
4
SCALE
ASY/SCH PART NO.
REV
SHEET
SIZE
B
NONE
SCH DOC NO.
PCB PART NO.
SHEET NAME
REVISE STAMP
1000237999
20/12/2017:13:57
5069500
19_POWER_SUPPLY
5069499
F
+3.3V
COMP
SS
EN
GND
FB
SW
FSEL
IN
4
3
U55
1
8
MP1542
7
6
5
2
+12V_PSU
AGND
AGND
+12V
-12V
0.0022uF
C347
AGND
AGND
RED 0603
DS20
BST
FB
EN/SYNC
SW
GND
VCC
AAM
IN
U58
1
2
4
7
6
3
5
8
MP1494DJ-LF-Z
+12V_PSU
AGND
BST
FB
EN/SYNC
SW
GND
VCC
AAM
IN
3
8
6
5
U57
MP1494DJ-LF-Z
2
7
1
4
+12V_PSU
AGND
+5.0VA
0.1uF
C140
+
C594
100uF
25V
10uF
C564
16V
0.1uF
C141
0.1uF
C142
100K
R92
100K
R93
10K
R561
R94
100K
R666
4.99K
R399
0
0
R400
0
R419
0
R450
10uH
L63
R1232
33K
12.1K
R1221
SS14_NL
D4
SS14_NL
D5
D6
SS14_NL
D7
SS14_NL
0.1uF
C143
0.1uF
C144
16V
10uF
C565
16V
10uF
C566
+
C595
25V
100uF
+
C596
100uF
25V
+
C597
100uF
25V
+
25V
100uF
C598
10
R1238
L19
600
C567
10uF
16V
0.1uF
C145
C146
0.1uF
R97
100K
R98
100K
0.1uF
C147
R1237
10
4.02K
R692
3.32K
R660
C148
0.1uF
16V
10uF
C568
+
C574
220uF
16V
16V
10uF
C569
0.1uF
C149
C166
0.1uF
C169
0.1uF
+
16V
220uF
C961
4.99K
R928
0.1uF
C170
10uF
C490
C491
10uF
COMP
SS
EN
GND
FB
SW
FSEL
IN
MP1542
U75
6
7
5
2
4
3
8
1
+12V_PSU
AGND
AGND
+12V_2
-12V_2
C890
0.0022uF
AGND
AGND
10uF
16V
C883
C879
0.1uF
C880
0.1uF
100K
R1130
R1131
100K
R1133
22.1K
R1129
10K
R1134
4.99
4.99
R1135
4.99
R1136
4.99
R1137
100K
R1132
4.99K
R1128
R1138
12.1K
0
R1126
R1127
0
L131
10uH
C891
10uF
35V
10uF
C892
35V
D9
SS14_NL
SS14_NL
D10
SS14_NL
D12
SS14_NL
D13
C881
0.1uF
C882
0.1uF
C884
10uF
16V
C885
10uF
16V
+
100uF
25V
C886
+
C887
100uF
25V
+
25V
100uF
C888
+
C889
100uF
25V
C897
0.001uF
0.001uF
C898
0
R531
+5.0VD
10uH
L65
32:(56:%2$5'
%52:1
%52:1
)52032:(5&211(&725
7R368
%/8(
%/8(
FROM PSU(+12V,2.5A)
I=100mA
I=100mA
I=400mA
Imax=1.3A?
I=100mA
I=100mA
19 of 19
POWER LED
GND
OUT
CD
IN
AGND
AGND
AGND
2
1
1
3
2
5
UNCP303LSN30T1-S
U56
MUTE_M
+12V
OUTPUT_MUTE
-12V
+12V_PSU
2
3
1
MMBT3904
Q10
+12V
EDZTE615.6B
D1
10K
R562
49.9
R719
R689
634
24.9K
R595
10K
R563
1K
R592
R564
10K
10K
R565
100K
R95
2
3
1
Q1
MMBT3904
2
3
1
Q2
MMBT2907
R1228
1.21K
R1227
49.9K
R1220
15K
OUTPUT_MUTE
D20
DSS36-S
+12V_PSU
DSS36-S
D21
DSS36-S
D22
D23
DSS36-S
MAIN POWER
BACKUP POWER
+12V_MAIN
+12V_BACKUP
100K
R2
+12V_MAIN
MAIN_POWER_DET_M
MAIN_POWER_DET_M
R3
100K
BACKUP_POWER_DET_M
BACKUP_POWER_DET_M
+12V_BACKUP
22.1K
R14
R15
22.1K
JP1
2
3
1
5
4
NC4MBH
D24
12
10uH
L64
16V
10uF
C12
CLOSE TO INDUCTOR
CLOSE TO INDUCTOR
R96
0
0
R100
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
19
CPi2000 Service Manual
Version A - 01/19
29
Table of Contents