Vcore - EUROCOM Mirage D870P Service Manual

Schematic Diagrams

Vcore

Sheet 33 of 39
Vcore
[18] V_ADJ#
B - 34
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AUX1 AUX2 AUX3
PR28 PR37 PR151
40.2K 1% 40.2K 1% 40.2K 1%
PC38 PC129
PC127 PR32 PR36 PR152
6.8nF 6.8nF
6.8nF 40.2K 1% 40.2K 1% 40.2K 1%
BGOUT PR27 1.5K
SYS3V
PC35 +12V
PR16 PR26
PR24 2.2u(0805)
PR25
100K PC33 20K 1% PC34 0.1uF
100K
57.6K PC37 PR149
PQ51 *270PF
G 2N7002
470PF 10
PQ50
G 2N7002
PC128
PR23
1U(0805)
*100K
T341
[2] VID0
[2] VID1
[2] VID2
[2] VID3
[2] VID4
PD21 1SS355
C A
[2] VID5
VCC5S
PR142 5.1K_1% PR141 33K_1%
VCC3 PC29
0.1uF
PR18 Modify 5/31
10K
[18] PGOOD
PC30
0.1uF(R)
DRP_N
PR33 0(0805)
PR29 *0
SYS3V
BGOUT
PR150
VDD5
100K
G PQ10
2N7002
G PQ52
[37] VR_ON
2N7002
G PQ9
[34,37] TEST
2N7002
[2,35] PRE/NOR#
PR38
PJ2 2mm
SYS5V
100K
PR34
100K
CPU_PSC_HI
VCORE
PR19 PC31
22nF
301 1%
PQ47
G
S D PR21 1.6K 1% PR143 0(0805)
VCC5
2N7002 PR144 *0(0805)
VCC5S
RT1
*1K
PR22 *1K
PC122
+12V PD19 0.47U/25V(0805)
PR20 301 1% A C
RB751V
PC32 0.15uF PR145 0
PR139 PR133
PC121
0
PU9 SC2643VX 1U(0805)
10K
1 28 1
OS3 OS4
2 27 3
OS2 OUTSEN
3 26 2
OS1 OUT4
4 25
BGOUT OUT3
5 24
ERROUT OUT2
VIN
6 23
GSENS OUT1
7 22
FB AGND
8 21 PR140 357K 1%
DACSL OSCR
9 20
VCC PGOOD
10 19
VID4 VID5
11 18
VID3 VID0
12 17
VID2 VID1
13 16
EN DAC
14 15
DPSLP DPRSLP
T327 PC123
PD20 0.47U/25V(0805)
A C
RB751V
PC120
1U(0805) PR136
0
1
TG
PR17
3
5.1K_1% CO
Modify 5/31
2
BST
PQ48
G 2N7002
CPU_PSC_HI
VIN
Modify 5/31
PR147 10 VSS_SENSE
VSS_SENSE [3]
PR31 10 VCORE-
PR148 10 VCC_SENSE
VCC_SENSE [3]
PC125
PD22 0.47U/25V(0805)
A C
PR30 10 VCORE+ RB751V
PC124
PR134
1U(0805)
0
1
TG
PC126 E
B PQ49 3
CO
C
2N3906
0.1UF PR14 2
BST
PR15
10K
2.7K
CPU_NWD_HI VIN
CPU_NWD_HI
PQ8
C
B
PR146 33K E CPU_PSC_HI
CPU_PSC_HI
PC28 PC36
2N3904 PR13
10K 1UF 1UF
10UF/25V(1210) 10UF/25V(1210)
D4 PC20 PC21
PQ7
PR135 0 G
IRF6604
10UF/25V(1210)
PU6
PL5 0.9UH
9
TG BG
8
CO VIN
7
BST CDLY
D4
PQ4
SX420 PC111 G
IRF6603
AUX3
10P
PC113 PD2
RB751V
0.1U(0805)
PC112 1000P
PR130 100
10UF/25V(1210) 10UF/25V(1210)
PC23 PC24 PC25
D4
PQ6
PR137 0 G
IRF6604
10UF/25V(1210)
PL6 0.9UH
PU7
9
BG
8
VIN
7
CDLY
D4
PQ3
G
IRF6603
SX420
PC114
AUX2
10P PD18
PC116
RB751V
0.1U(0805)
PC115 1000P
PR131 100
10UF/25V(1210)
PC19 PC26 PC27
D4 0.1U(50V)
PQ5
PR138 0 G
IRF6604
10UF/25V(1210)
PU8
9 PL7 0.9UH
BG
8
VIN
7
CDLY
SX420 PC117 D4
PQ2
AUX1
10P G
IRF6603
PC119
PD1
0.1U(0805)
RB751V
PC118 1000P
PR132 100
VIN
PC22
VCORE
PC11 PC12 PC105 PC108
+ + + +
330UF 330UF 330UF 330UF
VIN
VCORE
PC13 PC14 PC107 PC104
+ + + +
330UF 330UF 330UF 330UF
VIN
PR9
VCORE
0
PC15 PC16 PC17 PC18
+ + + +
330UF 330UF 330UF 330UF
PR10
0