Service manual
Schematic Diagrams
B-41
Schematic Diags
System Power 2
Sheet 40 of 42
System Power 2
SYS5V
VIN1
VIN
SYS5V
INTVCC
VCC3
SGND2
SGND2
VIN1
2.5V +2.5V
SGND2
VIN
+1.2VS1.2V
2.8/2.5VS2.8V
VCC3+2.5V
SYS3V
+1.25V1.25V
SYS3V
SYS3V
SGND2
VCC3
+1.5V
VDD5
+2.5V
VCC1.8S
VCC3
GMCHVCCP
SGND2
+2.5V
RUN_SS 1
PG
RUN_SS 2
Z2854
Z2854
RUN_SS 1
RUN_SS 2
PR217 *10K
PR134 10K
T522T521
PC236
0.1U(0603)
PR21
100K
PC234
0.1U(0603)
PC233
0.1U(0603)
PQ8
2N3904
B
E
C
PC235
0.1U(0603)
PR235
0
T519
T520
PC4
10UF/25V(1210)
T523
PQ1
RSS090N03
4
6 2
7 3
8
5
1
PC139
10U/1210
PC7
1000pF
PC12
0.01uF
PC19
330uF/3V
PC43
1uF
1
2
PC11
0.01uF
PC138
10nF
PR22 100K
PJ3
4mm
1 2
PL2 2.2UH
PR29 0
PJ2
6mm
1 2
PR131 0
+
PC149
330U/3V
PC131
0.1UF
PR114
15.4K 1%
PR112
10.5K 1%
PC16 220pF
PU5
SC1470
1
2
3
4
5
6
7 8
9
10
11
12
13
14
EN/PSV
VIN
VOUT
VCCA
FBK
PGOOD
GND PGND
DL
VDDP
ILIM
LX
DH
BST
PC127
4.7UF/10V(0805)
PL4
4.7UH(SRC-1206)
PR10 20K 1%
PR12
26.1K 1%
PR109
10K_1%
PU2 SC338
1
2
3
4
5 6
7
8
9
10
DRV1
ADJ1
EN1
PGD1
GND PGD2
EN2
ADJ2
DRV2
IN
PQ3
2N7002
G
DS
PD27
RB751V
AC
+
PC155
10U/25V_O
PR14 15K
PR11 2KPR16 2K
+
PC144
47U/6.3V
PC18
1UF
PR136
100K
PQ14
2N7002
G
DS
PQ47
2N7002
G
DS
PQ52
2N7002
G
DS
PQ49
2N7002
G
DS
PC17
0.1UF/50V_0805
PR132 10
PC9
0.1uF(R)
PR99 10K 1%
PD28
RB751V
AC
PR30 100K
PR105
10
PC24
0.01uF
PQ7
IRF7822
4
6 2
7 3
8
5
1
PD4
20QS04
A C
PC129
0.1uF
PD25
20QS04
A C
PC27
0.01U
1
2
PR135
1M
PQ53
IRF7811AV
4
62
73
8
5
1
PR97
10K
PC29
1uF/50V
1
2
PC134
*1000PF
PR7
100K
PR8
100K
PR18
43.2K 1%
PR15 0
PR98
*10K
PC217
0.01UF
PR113
35.7K 1%
+
PC146
220U/4V
PC137
0.1uF
PR102 *0
PQ2
2N7002
G
DS
PR104 0
PQ48
2N7002G
DS
PR13 0
PC132
*0.1uF
PD26
RB751V
AC
PU1
LTC3728LX
28
30
31
1
2
3
4
5
6
15
17
14
19
20
21
22
23
24
27
187
8
9
11
12 13
25
26
32
29
10
16
RUN/SS1
SENSE1+
SENSE1-
VOSENSE1
PLLFLTR
PLLIN
FCB
ITH1
SGND
SW2
BOOST2
TG2
PGND
INTVCC
EXTVCC
BG1
VIN
BOOST1
PGOOD
BG23.3VOUT
ITH2
VOSENSE2
SENSE2-
SENSE2+ RUN/SS2
SW1
TG1
NC
NC
NC
NC
PC28
1uF/50V
1
2
PC126
10UF/25V(1210)
PR26
10K 1%
PR100 0
PQ10
FDD6035AL/TO252
G
DS
PC140
10UF
PC10
330uF/3V(D)
PC125
22U/25V_OS10*5
PC21
1000pF
PC5
0.1UF/50V_0805
PC26
1uF/50V
1
2
PQ4
RSS090N03
4
62
73
8
5
1
PU15
CM8562
1 6
3
5
4
2
7
8
VIN VCCA
VOUT
REFEN
VOUT
VFB
AGND
PGND
+
PC136
47U/6.3V
PC33
10U/1210
PR106
100K
PC128 33pF
PR5 10K
PC41 0.1uF
PR25
10K 1%
PR108 *0
PC145
*10UF
PC20 30pF
PJ1
6mm
1 2
PC44
0.1uF
PC133 33pF
+
PC148
*330U/3V
PC6 *180pF
PQ6
IRLR3410TR
G
D S
PR31
20.5K 1%
PC22
0.1uF
PC23
0.1uF
PR107 0
PR110 15K
PC45
0.1uF
PC8 0.01uF
PR20 10
PR17 20K 1%
PL3 2.5UH
PC151
2.2UF(0805)
PR4 10
PQ54
IRF7822
4
62
73
8
5
1
PR3 10
PC15
0.01uF
PC135
*330uF/3V
PR133
4.87K 1%
PR6 0
PQ50
2N7002
G
DS
PC13
0.1uF
PR19 10
PQ5
RSS090N03
4
62
73
8
5
1
PD1
20QS04
AC
PC130
*330uF/3V(D)
PC47
10U_1210(25V)
1
2
PR117 100K
PR9
5m(1206)
PR130
9.1K
PJ5
6mm
1 2
PQ9
2N7002
G
DS
PC14
0.1uF
PC150
*0.1uF
PR103
*1M
PR101
1M
PC141
*10UF
PC46
0.1uF/50V
1
2
PR111
5m(2010)
PR115 10K
PQ79
2N7002
G
DS
DD_ONH[39,41,42]
DD_ONH[39,41,42]
SUS#[41,42]
SUS#[41,42]
2.5VPG[27]
PRE/NOR#[2,38]
SUSB[42]
PS_ON[31,37,42]
8A
10A
10A
2A
2A3A