System Power Control - EUROCOM D400V Service Manual

System Power Control

+3V
R589
U10C S3AUXSW#
1K 14
PSON# 5 6
15,29 PSON#
7
74LVC14
+3V
U11C
14
9
6 S3AUXSW#
8
PSON# 10
7
74(A)HC08
+5V Q19 +5VS
4800
8
7
6 3
5 2
1
+12V
+12V
R241
C839 R660
100K
10UF/10V
330K 330K
C247
Q21 D 0.1UF
PSON# G S
2N7002
H28 H27 H23 H10
2 2 2 2
3 3 3 3
4 4 4 4 7
1 1 1 1
5 5 6 5 5 6
MTH276D107-5 MTH276D107 MTH276D107-5 MTH335D165
H38 H1 H4 H9 H2 H11
C335D165 C315D111 C315D111 C315D111 C315D111 C315D111
H20 H21 H34 H35
C315D111 C315D111 C315D111 C315D111
+3V
U11B
14
4
SUSB#
6
SUSB# 13,24
5
7
74(A)HC08
SLP S3
PSON
PSON 29,40
+3V
U10F
14
13 12
SUSC# 24
7 SLP S5
74LVC14
AS SIS AP NOTE 002
+3V
Q8 +3VS
4800
8
7
6 3
5 2
1
R213
C225 R212
10UF/10V
100K
C226
Q10 D 0.1UF
PSON# G S
2N7002
H7 H19 H16 H8 H15
2 2 2 2 2
3 3 3 3 3
4 7 4 7 4 7 4 7 4
1 1 1 1 1
5 6 5 6 5 6 5 6 5
MTH335D165 MTH335D165 MTH335D165 MTH335D165 MTH335D165
H13 H6 H25 H32 H26 H33
C394D189 C394D189 C315D111 C315D111 C315D111 C315D111
H17
2
3
4
5
MTH335D165
H12 H5
C394D189 C394D189
H3 H36 H22
2 9 2 9 2
3 8 3 8 3
4 7 4 7 4
1 1 1
5 6 5 6 5
MTH315D111 MTH315D111 MTH315D111
+3V
+2.5V
U10B
14 8
7
3 4 6
T
5
7
+12V
74LVC14
R203
U10D
14
330K
9 8
T
7 Q41
PSON#
74LVC14 G
2N7002
U10E
14
11 10
T
7
74LVC14
+3V
H24
2
3
7 4 7 D40
1
6 5 6 C A
MTH335D165 F01J2E
R602 1K
+
R601
100K
H14
2
3
1 7 4 1 7
6 5 6
MTH335D165
9
8
7
6
System Power Control (71-D40U0-D03) B - 29
Schematic Diagrams
Q40
+2.5VS
4800
3
2
1
C758
R204
10UF/10V
100K
C222
0.1UF
D
S
Sheet 28 of 42
System Power
Control
AUXOK
AUXOK 9,15,24,27
C231
22UF