Service manual

Schematic Diagrams
B - 38
Schematic Diags
3VH8, VDD1.8
Sheet 37 of 39
3VH8, VDD1.8
3VH8
VA
VIN
SYS3V
SYS3VVCC3S
SYS5V
VIN1
VCC3
VCCVID
VCC5
12V
VCC5S
+12V
SYS5V
2.8V 2.8/2.5VS
SYS5V
VIN
VIN1
VCC3
VCC32.8/2.5VS
SYS3V
1.25VS+1.25VS
Z166
PR11
10K
PR162 10
PQ53
2N7002
G
DS
PC151
0.1uF
PC167
10U_1210(25V)
1
2
PC166
10U_1210(25V)
1
2
PR202
100K
PQ36
352AP
PU12
CM2831SIM25
1
2
3 4
5
VIN
GND
SD BP
VO
PR127 0
PR186
*20K
PR76
20K
PQ21
IRF7811AV
4
62 73 8 5
1
PQ56
2N7002
G
DS
PC90
0.47UF
+
PC160
330U/3V
PR184
10K
PC177
*1U
PR178
5.1K
PC42
0.01U
1
2
PC139
1uF/50V
1
2
PQ23
2N7002G
DS
PR158 0
PQ35
DTC114EUA
C
E
B
PD3 F01J2E
AC
PU10
CM8562
1 6
3
5
4
2
7
8
VIN VCCA
VOUT
REFEN
VOUT
VFB
AGND
PGND
PR185
10K
PR55 0(R)
PC77
10U_1210(25V)
1
2
PQ64
2N7002
G
DS
PQ54
2N7002
G
DS
PC154
0.01U
PR51 0
PC170 0.1uF
PQ66
DTA114EUA
C
E
B
PC109
1U
PR187
10K
PR128
10K
PR163
1M
PQ24 2SB1198
PR157 100K
PR42
10K 1%
PD33
SM240A
A C
+
PC135
47U/6.3V
PQ20
IRF7831
4
62 73 8 5
1
PR129
47K PC168
2.2UF(0805)
PC153
0.47U
1
2
PD30
RB751V
AC
PJ8
2mm
1 2
PR12 2.43K
PC91
100P
PC169
*0.1uF
PR165 10K
PD9
1N4148
A C
PR105 *0
PR61
20K 1%
PC131
10UF
PU13
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
PC76
0.1U
PC110
1U(R)
PU5
CM2841ACIM25
1
2
3 4
5
VIN
GND
EN PG
VO
PC106
2.2U(0805)
PD13
1SS355
CA
PQ57
2N7002
G
DS
PC133
1uF/50V
1
2
PJ11
4mm
1 2
PR161
4.99K 1%
PR54 0
PC148
2.2U(0805)
PR53 100K
PC134
*10UF
PC138
1uF/50V
1
2
PC176
0.1uF/50V
1
2
PC136
330uF/3V
PQ65
2N7002
G
DS
PJ4
10mm
1 2
PR44
10K 1%
PC152
0.1uF
PR112 30K
PL1 2.0UH(AX05)
PC147
1U
PR52
10K
PR169 0
+
PC54
330U/3V
PQ22
2N7002
G
DS
PD35
1N4148
A C
PC193
4.7UF/16V(1206)
PS_ON[28,32,35]
SUS# [35]
DD_ONH [34,35,36]PWRS[27,32]
TEST [33,34]
VID_PWRGD [3]
VR_ON[33]
1.5VPG[32]
DD_ONH[34,35,36]
SUS#[35]
SUSB[35]
SUS#[35]
100mA
30 mil
30 mil
10A
2A
modify 5/26
Modify 5/31
NEAR H8