Power System - EUROCOM P570WM Service Manual

Schematic Diagrams

POWER SYSTEM

Sheet 41 of 63
POWER SYSTEM
SYS_PWROK
DRAM_PWR_OK
26,46
25,41
25,41
B - 42 POWER SYSTEM
PCH_PWROK
5/18
V_CPU_PLL VDD3 3.3VS
R465 R458 R435
R1086
1K_04 10K_04 1K_04
PLL_PD
PQ15
2N3904
PQ14
B G
MTN7002ZHS3
R466
C522
2.7K_04
*0.22U_06
3.3VS
R104
1K_04
R103
26,52 VR_RDY
*0_04
C1105
5/18
*0.1u_6.3V_X5R_04
VDD3
R115 4.7K_04 C147 2.2u_6.3V_X5R_04
3.3V
R119 4.7K_04
3.3V
U5
74AHC1G08GW
1
VCCD_01_PG
4 R933 470_04
2
PCH_DRAM_PWRGD
R934 C1106
430_1%_04
0.1u_10V_X7R_04
120311-J
R931 *0_04 R933
1.2K¡÷470
R932 *0_04
R934
1K¡÷430
VDD3
R1090 4.7K_04 C1117 2.2u_6.3V_X5R_04
3.3V
U67
74AHC1G08GW
1
26,46 VCCD_23_PG
4
R1091 470_04
2
PCH_DRAM_PW RGD
R1092 C1118
430_1%_04
*0.1u_6.3V_X7R_04
R1093 *0_04
R1094 *0_04
5/18
U8
2
25 PCH_GP8 D Q*
1
25,41 PCH_GP65
CP GND
8
VDD3
VCC
*0_04
V_CPU_PLL_PD 33
R1087
4.7K_04
PLL_PD 26
0813
5/18
U11
2
25 PCH_GP26 D Q*
1
25,41 PCH_GP65
CP GND
8
VDD3 VCC
R1089
4.7K_04
5/18
R251 4.7K_04
PCH_SY SPWROK 25,26 VDD3
U13
2
25 PCH_GP64 D Q*
1
25,41 PCH_GP65 CP GND
8
VDD3 VCC
VDD5
120311-J
Add
R262 R286 4.7K_04
VDD3
10K_04
DRAM_PWROK_ANDGATE01 5
U14
2
D Q*
1
25,33,41,46 SUSC#
CP GND
8
VDD3 VCC
74AUP1G74GM
CP clock input
D data input
DRAM_PWROK_ANDGATE23 5 Q* complement output
Q true output
RD asynchronous reset input (active LOW)
SD asynchronous set input (active LOW)
Input
SD RD CP D
H H ¡ô L
H H ¡ô H
VDD3 V_CPU_VTT
R212 R206
0806
R1128 *10K_04 10K_04
CK_PWR_TOGGLE 0_04
PQ92
MTN7002ZHS3
5 LGSPARE_0_R G G
PQ7
4 *MTN7002ZHS3
3
LGSPARE_0_Q+
Q
74AUP1G74GM
VDD3 V_CPU_VTT
R220 R215
10K_04 10K_04
CK_PWR_TOGGLE
PQ8
MTN7002ZHS3
PQ93
MTN7002ZHS3
5 G G
LGSPARE_1_R
4
3
Q
74AUP1G74GM
VDD3
R1117
0815
5/18 *0_06
R217 10K_04
VDD3 VDD3
G
U12
25,33,41,46 SUSC#
74AHC1G32GW
1
PQ9
4 CK_PWR_TOGGLE G MTN7002ZHS3
5 2
CHANGE_REQ_BIT_R
4
1A
3
Q
74AUP1G74GM 74AHC1G32 GW
B data input
WDT_RST_N
A data input
Y data output
Input Output
A B Y
5
L L L
4
L H H
3
Q
H L H
74AUP1G74GM
H H H
WDT_RST_R
R263 1K_04
C348
0.47u_16V_Y5V_06
Output
Qn+1 Qn*+1
L H
H L
LGSPARE_0 5
LGSPARE_1 5
3.3V 3.3VS
R1118 R1127
*0_06 0_06
PQ10
QM3009K
VDD_CLK