Service manual
Schematic Diagrams
B - 36
Schematic Diags
System Power 2
Sheet 35 of 39
System Power 2
SYS5V
VIN1
VIN
SYS5V
INTVCC
VCC3
SGND2
SGND2
VIN1
1.2V +1.2VS
SGND2
VIN
+2.5V2.5V
+1.5V1.5V
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
PR124 2K
PQ59
2N7002
G
DS
PC182 *180pF
PC102
10U/1210
PR84 10
PC67
0.1uF
PC80
0.1uF
PR3
10.5K 1%
PD6
SM240A
AC
T389
PC185 33pF
PC78
1UF
PC171
0.1uF
PC74
0.1uF
PD7
SM240A
A C
PQ27
2N7002
G
DS
PR70 10K
PC56 0.1uF
PC181
1000pF
PC52
10UF
PJ3
4mm
1 2
PQ62
RSS090N03
4
6 2
7 3
8
5
1
PR68 0
T247
PR81
19.1K 1%
PU14
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
PQ19
RSS090N03
4
62
73
8
5
1
PR177
6.98K 1%
PC50
*330uF/3V
PC46
330uF/3V
PJ5
10mm
1 2
PU1
CM8562
1 6
3
5
4
2
7
8
VIN VCCA
VOUT
REFEN
VOUT
VFB
AGND
PGND
PC57
*0.1uF
PC6
0.1uF
PD29
RB751V
AC
PR79 0
PC155
10UF
PC163
10UF/25V(1210)
PC172
0.1UF/50V_0805
PU3
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
+
PC55
330U/3V
PR4 0
PR85
*10K
PQ45
2N3904
B
E
C
PR72
100K
PC101
0.01UF
PR2
35.7K 1%
PC51
10UF/25V(1210)
PR194 10K
PC84 220pF
PC158
10UF/25V(1210)
PR95
1M
PR125
26.1K 1%
PC69
*0.1U(0603)
PC180
1000pF
PJ7
6mm
1 2
PR126
10K_1%
PC58
2.2UF(0805)
PQ14
2N7002
G
DS
PQ32
2N7002
G
DS
PR189 10
PC82 220pF
PR190
1M
PR66
5m(2010)
PR91 20K 1%
PR94
100K
PC3
10nF
PR191
100K
PR75
10
PR82 15K
PL2 2.0UH(AX05)
PC156
330uF/3V(D)
PR164
10K 1%
PR93 0
PR6 *10K
PC179 0.01uF
T246
PC165
10U_1210(25V)
1
2
PR7 10K
PR87 20K 1%
PQ29
2N7002G
DS
PQ61
AO4422
4
6 2
7 3
8
5
1
PR78 0
PR92
0
PC70
0.1UF/50V_0805
+
PC150
47U/6.3V
PR1
100K
+
PC159
*330U/3V
PR123
15.4K 1%
PU4 SC338
1
2
3
4
5 6
7
8
9
10
DRV1
ADJ1
EN1
PGD1
GND PGD2
EN2
ADJ2
DRV2
IN
PQ43
2N7002
G
DS
PL9 2.2UH
PQ1
FDD6035AL/TO252
G
DS
PQ28
2N7002
G
DS
PQ63
AO4422
4
62
73
8
5
1
PR97
*1M
PR88 15K
PQ67
2N7002
G
DS
PJ6
6mm
1 2
T391
PC68
*0.1U(0603)
PQ44
2N7002
G
DS
PR176
4.99K 1%
PR5 100K
PC72
1000P
1
2
PR80 10
PD11
RB751V
AC
PC174
0.1uF
PC9
*0.1uF
PC144
1uF/50V
1
2
PC145
10UF
T390
PR188
*10K
PR168
15K
PR167 0
PC81 *33pF
PC47
1uF/50V
1
2
+
PC2
220U/4V
PR65
5m(1206)
PR62
10K 1%
PD12
RB751V
AC
PR74 100K
PC173
4.7UF/10V(0805)
PL10 2.0UH(AX05)
PR90 45.3K 1%
PC8
0.1uF
PQ60
RSS090N03
4
62
73
8
5
1
PD32
SM240A
A C
PR86
100K
PC184
0.01uF
PC60
330uF/3V(D)
PQ46
IRLR3410TR
G
D S
PC73
0.1uF
PC175
0.1uF/50V
1
2
PC85
0.01uF
PR77 10
PC183
0.01uF
PR195 0
PC100
10U/1210
PR96 *0 PR98 0
PC7
0.1UF
PC65
*0.1U(0603)
PC48
1uF/50V
1
2
PC59
10UF/25V(1210)
PR89 *0
PR160 100K
PC186
*1000PF
PR83 10
PQ33
2N7002
G
DS
PC66
*0.1U(0603)
PC79
0.01uF
PQ16
RSS090N03
4
62
73
8
5
1
PC64
0.1uF
+
PC103
47U/6.3V
PR8 2K
PC146
0.01U
1
2
PC164
10U_1210(25V)
1
2
SUS#[37]
DD_ONH[34,36,37]
DD_ONH[34,36,37]
DD_ONH[34,36,37]
2.5VPG[32]
PRE/NOR#[2,33]
SUSB[37]
PS_ON[28,32,37]
PG [32]
8A
8A
7A
2A
2A3A
Modify 5/31
Modify 5/31