Service manual

Schematic Diagrams
B - 34
Schematic Diags
Vcore
Sheet 33 of 39
Vcore
VCC3
VDD5
VIN
AUX3
+12V
AUX2 AUX3
VIN
SYS5V
VCC5S
AUX1
VIN
AUX1
DRP_N
VIN
VCORE
+12V
VIN
VCORE
VIN
VCORE
AUX2
VCC5
VCORE
SYS3V
SYS3V
VCC5S
VCORE-
VCORE-
BGOUT
CPU_PSC_HI
CPU_PSC_HI
BGOUT
VCORE+
VSS_SENSE
CPU_NWD_HI
VCC_SENSE
VCORE+
PC23
10UF/25V(1210)
PQ52
2N7002
G
DS
PD2
RB751V
A C
PQ47
2N7002
G
DS
PQ4
IRF6603
G
D2S2 D1 D3
S1
D4
PR28
40.2K 1%
PC118
1000P
PQ8
2N3904
B
E
C
PU9 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
PR137 0
PR138 0
PR37
40.2K 1%
+ PC17
330UF
12
PR21 1.6K 1%
PC26
10UF/25V(1210)
PC112
1000P
PC122
0.47U/25V(0805)
PQ6
IRF6604
G
D2S2 D1 D3
S1
D4
PC37
470PF
PC27
10UF/25V(1210)
PQ51
2N7002
G
DS
+ PC14
330UF
12
PR15
10K
PR13
10K
PC111
10P
PC33
*270PF
+ PC11
330UF
12
PC120
1U(0805)
T341
PQ5
IRF6604
G
D2S2 D1 D3
S1
D4
PD21 1SS355
C A
PR22 *1K
PC123
0.47U/25V(0805)
PR145 0
PC127
6.8nF
PR132 100
PR134
0
PC128
1U(0805)
PR135 0
PC115
1000P
PR141 33K_1%
T327
RT1
*1K
PC116
0.1U(0805)
PR136
0
PL5 0.9UH
PR149
10
PL7 0.9UH
PC129
6.8nF
PU7
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
PR147 10
PC31
22nF
PC28
1UF
PR27 1.5K
PR131 100
PC124
1U(0805)
PR139
10K
PD19
RB751V
A C
PR152
40.2K 1%
PQ48
2N7002
G
DS
PR32
40.2K 1%
PD22
RB751V
A C
PR18
10K
PR9
0
PJ2 2mm
+ PC105
330UF
12
PQ3
IRF6603
G
D2S2 D1 D3
S1
D4
+ PC104
330UF
12
PR29 *0
PR31 10
+ PC12
330UF
12
PC121
1U(0805)
PD18
RB751V
A C
PR143 0(0805)
PR140 357K 1%
PQ7
IRF6604
G
D2S2 D1 D3
S1
D4
PC32 0.15uF
PR16
100K
PC114
10P
PC21
10UF/25V(1210)
PC25
10UF/25V(1210)
PR20 301 1%
PR24
100K
PR130 100
PR150
100K
PC113
0.1U(0805)
PR33 0(0805)
+ PC15
330UF
12
+ PC13
330UF
12
PR151
40.2K 1%
PC35
2.2u(0805)
PQ2
IRF6603
G
D2S2 D1 D3
S1
D4
PC126
0.1UF
PR26
20K 1%
PR17
5.1K_1%
PC125
0.47U/25V(0805)
PR142 5.1K_1%
PQ49
2N3906
B
E
C
PR34
100K
PR14
2.7K
PD20
RB751V
A C
PR19
301 1%
PC36
1UF
PQ10
2N7002
G
DS
PR25
57.6K
PC117
10P
PR133
0
+ PC108
330UF
12
PC30
0.1uF(R)
PC29
0.1uF
PR10
0
PL6 0.9UH
PR23
*100K
PC34 0.1uF
PC119
0.1U(0805)
PC22
10UF/25V(1210)
PC20
10UF/25V(1210)
PU6
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
PR38
100K
PQ9
2N7002
G
DS
+ PC16
330UF
12
PD1
RB751V
A C
PU8
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
PR148 10
PC38
6.8nF
+ PC18
330UF
12
PR36
40.2K 1%
PQ50
2N7002
G
DS
PC19
0.1U(50V)
+ PC107
330UF
12
PC24
10UF/25V(1210)
PR146 33K
PR144 *0(0805)
PR30 10
VID3[2]
VID1[2]
VID4[2]
VID5[2]
VCC_SENSE [3]
VR_ON[37]
VSS_SENSE [3]
TEST[34,37]
CPU_NWD_HI
CPU_PSC_HI
VID2[2]
PGOOD[18]
PRE/NOR#[2,35]
VID0[2]
CPU_PSC_HI
V_ADJ#[18]
CPU_PSC_HI
Modify 5/31
Modify 5/31
Modify 5/31