Clevo D900T Service Manual

Schematic Diagrams
DDR Power (71-D90T0-D05) B - 31
B.Schematic Diagrams
DDR Power
VL2
VL2
VIN1
VIN
SYS5V
VIN
DDRVCC
VL2
DDRVTT
VTT1.2VS
VIN
SYS5V
+1.5VS
VL3
VL3
VL3
VIN
VIN1
+3VS
VTT_VR
+3VS
+3V
+1.5VS
DDRVTT
DDRVCC
VIN
VIN1
SYS5V
VTT1.2VS
+1.8V
12V
DDRVCC
+1.8VS
DDRVCC
+12V
+1.8V
+1.8VS
+12V
12V
SUSB+ 29,31
SUSB+ 29,31
SUSB+ 29,31
VTT1.2VS_PWRGD 4,29
DD_ON# 29,31
+3VS 2,4,8,9,11,12,13,14,15,18,19,20,21,23,24,26,28,31
+3V 11,12,13,16,17,18,19,20,23,28,29,31
+1.5VS 5,7,11,12
VTT1.2VS 2,3,4,5,7,12
DDRVCC 6,7,8,9,10,31
DDRVTT 10
VIN 13,15,23,26,29,31,32
VIN1 13,29,31
SYS5V 29,31
+1.8V 20
+1.8VS 20
+12V 17,24,25,27,31
12V 15,31
VL2
VIN_A
VIN_B
VL3
SUSB+
SUSB+
SUSB+
DD_ON#
DD_ON#
SUSB+
PQ71
AO3400
G
D S
PQ41
IRF7831
4
62 73 8 5
1
PC149
10U/35V(1210)
PL6
1.5uH
1 2
PR38
0
PR153
0
PD44 1SS355
A C
PC166
10U/35V(1210)
PL3
1.5uH
1 2
PR147
45.3K_1%
PC50
.1u
PD43 1SS355
A C
PC47
100PF
PR136
20K_1%
PC168
33PF
PD46
SM140A
A C
PC53
.1u
PC68
1000PF
PR26
4m(2512)
PR45 0
PD41
SM140A
A C
PC154
10U/35V(1210)
PR135
10K_1%
PR43 0
PR46 2K
+
PC152
220U/4V(D)
PD18
RB751V
AC
PC164
0.1U
PR149
36K_1%
PC163
10U/10V(1206)
PC52
1000PF
+
PC150
220U/4V(D)
PJ2
12mm
PC169
33PF
PR158
17.8K_1%
PR134
4m(2512)
PR150 1M
PC63
33PF
PQ88
AO3400
G
D S
PC48
0.1U(0805)/25V
PC156
10U/35V(1210)
PD47
RB751V
A C
PR141 3.3K
PQ69
2N7002
G
DS
PR96 100K
+
PC145
220U(D)
+
PC140
*220U(D)
PC65
1000PF
PR137 1M
PJ4
6mm
PC51
0.1U
PR154 0
PC161
10U/10V(1206)
PR142 0
PR22
10m(2010)
PC57
0.1U(0805)/25V
PR133
10m(2010)
PQ36
AO4422
4
62 5 73
1
8
PC49
.1u
PR146
*0
PQ34
IRF7821
4
62 73 8 5
1
PQ30
AO4422
4
62 5 73
1
8
PC58
2200PF
PC70
*.01u
PC62
1000PF
PC183
0.1U
PR140 *0
PQ68
2N7002
G
DS
PR53 0
+
PC141
220U/4V(D)
PU5
LTC3728LXCUH
24
26
25
22
30
31
3
23
1
2
5
4
7
6
20
17
14
15
18
12
11
9
8
21
28
13
27
19
10
16
29
32
BOOST1
TG1
SW1
BG1
SENSE1+
SENSE1-
PLLIN
VIN
VOSENSE1
PLLFLTR
ITH1
FCB
3.3VOUT
SGND
INTVCC
BOOST2
TG2
SW2
BG2
SENSE2+
SENSE2-
VOSENSE2
ITH2
EXTVCC
RUN/SS1
RUN/SS2
PGOOD
PGND
NC
NC
NC
NC
PL2
4.7uH
12
PC160
0.1U
PC56
*.01u
PR50
20K_1%
PR182 100K
+
PC146
220U/4V(D)
PR39 1M
PD40
SM140A
A C
PQ35
AO4422
4
62 5 73
1
8
PR148 2K
PQ42
IRF7821
4
62 73 8 5
1
PC67
1000PF
PR156 2K
PR95 100K
PQ33
IRF7831
4
62 73 8 5
1
PJ6
12mm
PR49 2K
PQ26
AO4422
4
62 5 73
1
8
PR152
12.7K_1%
PC71
100PF
PD17
RB751V
AC
PC159
0.1U
PC61
1000PF
PC69
1000PF
PL4
4.7uH
12
PC59
1000PF
PC158
0.1U
PQ37
2N7002
G
S D
PC66
10U/35V(1210)
PJ3
6mm
PC182
0.1U
PC155
10U/35V(1210)
PR139 5.1K
PR47 *0
PC167
2200PF
PR138 0
+
PC139
220U(D)
PC64
.1u
+
PC144
*220U(D)
PD38
SM140A
A C
PC72
0.1U
PR155
*0
PQ78
2N7002
G
S D
PR181 100K
PR151
100K_1%
PD16
RB751V
A C
PC165
33PF
PR40 1M
PQ47
2N7002
G
S D
PU4
LTC3728LXCUH
24
26
25
22
30
31
3
23
1
2
5
4
7
6
20
17
14
15
18
12
11
9
8
21
28
13
27
19
10
16
29
32
BOOST1
TG1
SW1
BG1
SENSE1+
SENSE1-
PLLIN
VIN
VOSENSE1
PLLFLTR
ITH1
FCB
3.3VOUT
SGND
INTVCC
BOOST2
TG2
SW2
BG2
SENSE2+
SENSE2-
VOSENSE2
ITH2
EXTVCC
RUN/SS1
RUN/SS2
PGOOD
PGND
NC
NC
NC
NC
PQ79
2N7002
G
S D
4A
11A
5A
12A
Sheet 30 of 37
DDR Power

Clevo D900T Specifications

General

Brand	Clevo
Model	D900T
Category	Laptop
Language	English