Power Plane - EUROCOM D870P Series Service Manual

Power Plane

12V
Q37 Modify 5/31
VDD5
AO4422
VCC5
8
7 3
6 2
R290 R312 5 1
4
100K 100K
SUSB+ C383
0.1U
C371
10U(0805)
0.1U
G G
[28,35,37] PS_ON
Q13
Q12 2N7002
2N7002
12V
Q32 Modify 5/31
AO4422
VCC3
8
7 3
6 2
R620 5 1
4
SUSB+
100K
C307
0.1U
C799
0.1U
G
Q10
2N7002
+1.5V
L19 1
12V
Q7 Modify 5/31
AO4422
8
R254 7 3
6 2
100K 5 1
4
C775
0.1U
C302
0.1U
G
Q8
2N7002
C342
0.1U
VCC3
VCC5S
R259
1K
D16 1SS355
C A
[37] 1.5VPG
C304
C372 D15 1SS355
C A 0.1U(R)
[35] 2.5VPG
D17 1SS355
C A
[35] PG
D50
C
VCC3S
R642
VDD3
D48 R627
A C PWRS_1
[27,37] PWRS
C306
1SS355 330K
10U(0805)
R628
100K
VCC1.5S
H1 H3 H2 H11 H25
2 L(R)(1206) C315D111 C315D111N C315D111 C315D111 C315D111
C766
H21 H18 H14 H16 H4
10U(0805) C276D110 C276D110 C276D110 C276D110 C276D110
H26 H31
2 5 2 5 2
3
1 1
4
3 4 3 4 5
HOLEC276D107-5A HOLEC276D107-5A HOLEC276D107-6
VCC3
R260
10K(R)
U7
3 2 PWROK
PWROK [6,18]
VCC RESET#
1
GND
R257
VDD3
MAX809_SOT23
R614
VA
330K
1SS355
A
D49
10K C A
PWRSW# [27,28]
1SS355
Q33
G
2N7002
C805
0.1U
H27 H24 H36 H37 H35 H23 H10 H9 H8
C315D111 C315D111 C315D111N C315D111 C315D111N C354D110 C354D110 C354D165 C354D165
H19 H5 H12 H13 H6 H17 H29 H34
C276B134D110 C394D189 C394D189 C394D189 C394D189 C354D165 C276D110 C276D110
H30
1
6
12V [17,23,29,34,37]
VCORE [2,3,4,5,18,19,33]
VCC1.5S [6,10,16,19]
VCC3 [6,18,19,20,21,22,25,27,29,30,33,34,35,36,37]
VCC3S [2,5,9,10,11,12,16,17,18,19,20,23,25,26,27,28,31,37]
VCC5 [17,20,21,22,26,27,28,29,33,34,36,37]
VCC5S [17,18,19,22,23,24,26,27,33,37]
Schematic Diagrams
10K
ACIN# [28]
Q9
G
2N7002
R615 Sheet 32 of 39
100K
Power Plane
H7 H15 H22
C354D165 C354D165 C354D165
B - 33