Power Controller 1; Power Controller 2 - AMD D900K Service Manual

POWER CONTROLLER 1

VDD3
VDD5 (13,14,16,18,23,24,26,27,32)
VDD3 (3,11,12,14,16,18,21,24,26,31,32,33,34,35)
+12V (14,18,25,26,28,32,34)
R649
R650
47K
47K
(31) +1.2VLDT_PG
Q17
B
E Q16
2N3904
B
E
2N3904
VDD3
U21A
14
VCORE_PWRGD
1
(31,33) VCORE_PWRGD
3
SUSBG
2
(31) SUSBG
7
74HC08
S1 ON S3 OFF
VDDA_EN High: Enable Low :disable
U15
VCORE_PWRGD
1
IN
2
IN
3
VDD3 GND
TC7S32F
C286
U16 0.1U
2
(31) SUSBG
RUN_MODE
4
1
(31,34) DUAL_PG
3
TC7SZ08
C305
0.1U
RUN_MODE
Z3528
VDD3
U21C
14
9
(31,34) DUAL_PG
8
2.5VDDA_PG 10
7
74HC08
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+1.2VLDT
+1.2VLDT
(3,8,33) +1.2VLDT
R647
4.7K
1.2VLDT_PG
1.2VLDT_PG(33)
C908
0.22U(R)
D36 1N4148
C A
R648 1M EN_+1.2VLDT
EN_+1.2VLDT(33)
D04 C906
0.47U
VDD3
C285
0.1U
5
VCC
4 EN_2.5VDDA
OUT
EN_2.5VDDA(33)
C284
0.1U(R)
VDD3
ENABLE VCORE POWER VDD3
C907
14 U21B
4
U23 0.1U
6 Z3533 1 5
IN VCC
5
7 2
IN
74HC08
3 4 EN_VCORE (33)
GND OUT
TC7S32F
(31) +1.2VLDT_PG
R669 10K VDD3
VDD3
R668 0(R)
(24) PS_ON
U29
SUSBG R667 0 Z3724 1 5
(31) SUSBG IN VCC
2.5VDDA_PGD
2
IN
3 4 SUSB#
GND OUT
74AHC1G08
VDD3 VDD3
U26A U26B
14 14
2.5VDDA_PG 1 2 Z3711 R666 0 Z3722 3
7 C912 7
74LVC14 0.1U(R) 74LVC14
+2.5VDDA
VDD3
(3,33) +2.5VDDA
R222
R211
47K
4.7K
+2.5VDDA B Q13
R25
B 2N3904
15K Q3
DTC114EUA
VDD3
U21D
14
12
T
13
T
7
74HC08
Schematic Diagrams
C326
0.1U
SUSB# (14,17,21,24,32)
Sheet 30 of 40
4 2.5VDDA_PGD
POWER
CONTROLLER 1
2.5VDDA_PG (31)
11
T
POWER CONTROLLER 1 B - 31