Service manual

Schematic Diagrams
B-39
Schematic Diags
Vcore
Sheet 38 of 42
Vcore
VCC3
VDD5
VIN
AUX3
+12V
AUX2
VCORE
AUX3
VIN
VIN
SYS5V
VCC5S
AUX1
VIN
AUX1
DRP_N
VIN
VIN
AUX4
VCORE
+12V
VIN
VCORE
VIN
VCORE
AUX2
DRP_P
VCC5
AUX4
VCORE
SYS3V
SYS3V
VCC5S
VCORE-
VCORE-
BGOUT
CPU_PSC_HI
DRN4
VCORE+
CPU_PSC_HI
BGOUT
VCORE+
VSS_SENSE
CPU_NWD_HI
VCC_SENSE
PQ45
2N7002
G
DS
PR91
100K
PR190
100K
PQ44
2N7002
G
DS
PQ27
IRLR7833
G
DS
PQ66
2N7002
G
DS
PR157
100K
PJ9 2mm
PR84
0
PC124
*270PF
PC85
0.1U(0805)
PR87
*100K
PC213
470PF
PR192 10
PC194
15nF
PR158
10K
PR65 0(0805)
PD9
SM340B
A C
PC75
0.1U(0805)
PR195
40.2K 1%
+
PC55
*220U
PC100
10P
PR90 *0
PR83 0
PQ62
2N3904
B
E
C
PC218
0.1uF
PR86
40.2K 1%
PC103
1U(0805)
PR206 33K_1%PR205 5.1K_1%
PR59
*10K
PR24
0
PD34
RB751V
A C
PU13
SX420
12
1
2
3
4 6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VIN2 VPN
N/C
VIN
BG
PGND
EN
CDLY
PAD
PR176 100
PR82
0
PD41
RB751V
A C
PR165
301 1%
PC202
1000P
+
PC54
*220U
+
PC158
2200U
12
PR88 10
PL7 0.5UH
PL9 0.5UH
PC98
10P
+
PC159
2200U
12
+
PC171
2200U
12
PC96
0.47U/25V(0805)
PR179
40.2K 1%
PL8 0.5UH
PQ35
IRLR7821
G
DS
PC123
6.8nF
PQ32
IRLR7821
G
DS
PR23
0
PU10 SC2643VX
1
2
3
4
5
6
7
8
9
10
11
12 17
18
19
20
21
22
23
24
25
26
27
28
13
14 15
16
OS3
OS2
OS1
BGOUT
ERROUT
GSENS
FB
DACSL
VCC
VID4
VID3
VID2 VID1
VID0
VID5
PGOOD
OSCR
AGND
OUT1
OUT2
OUT3
OUT4
OUTSEN
OS4
EN
DPSLP DPRSLP
DAC
PC206
*6.8nF
PC95
0.1U(0805)
RT1
*1K
PC189 0.1uF
+
PC185
470U/35V
PR181
*301 1%
PR73 *1K
PC122
6.8nF
PR196
40.2K 1%
+
PC186
470U/35V
+
PC178
470U/35V
PR63
40.2K 1%
PU14
SX420
12
1
2
3
4 6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VIN2 VPN
N/C
VIN
BG
PGND
EN
CDLY
PAD
PU12
SX420
12
1
2
3
4 6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VIN2 VPN
N/C
VIN
BG
PGND
EN
CDLY
PAD
PR81 0
PC111
0.1U(0805)
PC190
2.2u(0805)
PU11
SX420
12
1
2
3
4 6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VIN2 VPN
N/C
VIN
BG
PGND
EN
CDLY
PAD
PR180
40.2K 1%
PR160 1.5K
PR94 0
PR64 *0
PR162
40.2K 1%
PD47 1SS355
C A
PC112
0.47U/25V(0805)
PR159 360K 1%
PR178
10
PR161 *0
PC89
6.8nF
+
PC49
*220U
PQ82
2N7002
G
DS
+
PC169
2200U
12
+
PC168
2200U
12
+
PC176
2200U
12
PR193
20K 1%
PC193 0.15uF
+
PC53
*220U
PC90
0.1uF(R)
PR236
5.1K_1%
PR95
0
PC102
0.47U/25V(0805)
PC205
6.8nF
PC99
1U(0805)
PR93
0
+
PC52
*220U
+
PC48
*220U
PL6 0.5UH
PR164 301 1%
+
PC51
*220U
PC77
0.1U(0805)
PD36
RB751V
A C
+
PC183
470U/35V
+
PC184
470U/35V
+
PC161
2200U
12
PC203
1000P
PR191 10
PD37
RB751V
A C
PR177 100
PR89 10
PC204
1U(0805)
+
PC160
2200U
12
+
PC164
2200U
12
+
PC162
2200U
12
+
PC50
*220U
PC110
0.47U/25V(0805)
PD12
SM340B
A C
+
PC163
2200U
12
PD35
RB751V
A C
+
PC188
470U/35V
PC94
10P
+
PC187
470U/35V
PC101
0.1U(0805)
PC97
1U(0805)
PC104
10P
PC113
0.1U(0805)
PC93
1U(0805)
PR92 0
PC76
0.1U(0805)
PD11
SM340B
A C
PR194
40.2K 1%
PD39
RB751V
A C
PQ23
IRLR7833
G
DS
PD10
SM340B
A C
PR58 0(0805)
PR163 *0(0805)
PR66
10K
PR61 33K
PR60
10K
PQ69
2N7002
G
DS
PC207
1000P
PR182 100
PR62
2.7K
PD40
RB751V
A C
T528
PC195
1000P
PD38
RB751V
A C
PR183 100
PC92
0.1UF
PR85 1.6K 1%
PC192
1UF
T529
PQ63
2N3906
B
E
C
PC91
1UF
PQ24
IRLR7833
G
DS
PQ34
IRLR7821
G
DS
PR218
100K
PR219
100K
PQ81
2N7002
G
DS
PQ80
2N7002
G
DS
T530
PR220
*100K
PQ28
IRLR7833
G
DS
PQ33
IRLR7821
G
DS
VID3[2]
VID1[2]
VID4[2]
VID5[2]
VCC_SENSE [3]
VR_ON[42]
VSS_SENSE [3]
TEST[39,41,42]
CPU_NWD_HI
CPU_PSC_HI
VID2[2]
PGOOD[19,27]
PRE/NOR#[2,40]
VID0[2]
CPU_PSC_HI
V_ADJ#[19]
CPU_PSC_HI