Schematic Diagrams
Card Reader/LAN JMC251C B - 25
B.Sch
e
m
a
tic D
iag
rams
Card Reader/LAN JMC251C
LA N _ SC L
LA N _ SD A
S
D
_
C
LK
_C
R 42 5
* 4. 7K _ 04
R 42 6
* 4. 7K _ 04
U 35
*A T2 4C 0 2B N
S C L
6
A0
1
A1
2
A2
3
W P
7
S D A
5
V C C
8
GN D
4
3. 3V _ LA N
S D _B S
IS
O
N
_
25
1C
S D _D 1
P R 1 15
*0 _0 4
DV
DD
4 IN 1 SO CKET SD/MM C/MS/ MS Pr o
R 43 1
*0_ 06
V D D 3
V D D 3
C 45 0
0 . 1u _16 V _Y 5 V_ 04
C 19 5
* 10u _6 . 3V _X 5R _ 06
P in #2
P in #2
For JMC251 C
3. 3 V_ LA N
SD
_D
1
.
L3 7
S WF 25 20 C F -4R 7M-M
D V D D
Pi n# 33
Pi n#3 3
R E G LX
(>20mil)
For JMC251/261 only
Switch ing Regulator
close to PIN33
C 17 7
10 u_ 6. 3 V_ X5 R _0 6
C 44 8
0. 1 u_ 16 V_ Y 5V _0 4
(>20 mil)
D VD D
R 2 07
* 28m il _0 6
ne ar P in# 41
R 1 90
*10 0K _0 4
C 4 80
*0 . 1u _1 6V _Y 5 V_ 04
LA N _ MD I P2
[2 5]
LA N _ MD I N 2
[2 5]
LA N _ MD I N 3
[2 5]
LA N _ MD I P3
[2 5]
C 4 81
*0 . 1u _1 6V _Y 5 V_ 04
BU F _ PL T_ R ST # [ 17 , 22 ,2 6, 2 7]
I S ON _2 51 C
3 . 3V S
[ 3, 9 , 10 ,1 1, 1 2, 13 , 14 , 15, 1 6, 1 7, 18 , 19 ,2 0, 2 3, 25 , 27 , 28, 2 9, 3 0, 31 , 36 ]
D VD D
[ 25 ]
C 44 5
0. 1u _1 6V _Y 5 V _0 4
C 43 5
0. 1u _1 6V _Y 5 V _0 4
C 13 4
0. 1u _1 6V _Y 5 V _0 4
C 15 7
0. 1u _1 6V _Y 5V _0 4
C 43 7
0. 1 u_ 16 V_ Y 5V _0 4
C 18 9
*0. 1 u_ 16 V_ Y 5V _0 4
C 14 5
0. 1 u_1 6V _ Y 5V _0 4
C 13 6
*1 0u_ 6. 3 V_ X5 R _0 6
C 13 5
*0. 1 u_ 16V _ Y 5V _0 4
Pi n#7
Pi n#5 2
P lac e a ll c a p ac ito rs c lo se d to c h ip .
T h e s u b sc rip t in e ac h CA P in c ic ate s th e p in
n u mb er o f J M C 25 1 /JM C2 6 1 t h at s h o u ld b e
c lo s e d to .
A
V
D
D
12
_1
3
Pi n# 7
Pi n#5 5
Pi n#4 3
Re se rv ed
Pi n#4 3
Pi n# 62
Re ser ve d
Pi n# 21
Pi n#5 9
Pi n#5 9
Pi n# 2
C 14 8
0. 1u _1 6V _Y 5V _0 4
C 13 3
*10 u_ 6. 3V _ X5R _06
3. 3 V_ LA N
3. 3 V_ LA N
AV D D 1 2_ 52
AV D D 1 2_ 7
C 13 9
0. 1u _1 6V _Y 5V _0 4
Pi n#1 3
AV D D 1 2_ 13
LA
N
X
IN
SD _ C LK
LA N _ MD I N 2
A V D D 12 _55
A V D D 12 _52
MD I O 8
A V D D 12 _62
LA N _ MD I P3
LA N _ MD I P2
PCIe D ifferential
Pairs = 100 Ohm
MD I O14
(LQFP 64)
J MC251 C
U 36
J MC 25 1-LG B Z 0C
R
EXT
1
AV
D
D
33
2
XI
N
3
XO
U
T
4
GN
D
10
LX
33
AV
D
D
1
2
7
C PP E N
2 3
CL
K
N
5
CL
K
P
6
AV
D
D
12
13
RX
P
8
GN D
2 2
TX
N
11
TX
P
12
P W R C R
3 0
R ST N
2 4
W AK E N
2 7
MP D
2 8
IS
O
N
45
LA N _L ED 2
2 6
CR
_CD
1
N
16
C R _C D 0 N
1 7
RX
N
9
MD I O8
51
LA
N
_
LE
D
0
47
MD
IO
7
15
MD IO 6
2 0
GN
D
44
MD
IO
5
41
MD
IO
4
40
MD
IO3
39
VD
D
IO
43
MD
IO2
38
MD
IO
1
37
MD
IO
0
36
MD I O9
50
MD I O1 0
49
MD
IO
1
1
48
MD I O1 2
1 9
V D D R E G
3 2
MD
IO
1
3
14
MD I O1 4
1 8
C R _ LE D
2 5
TE S T
2 9
V D D I O
2 1
GN
D
34
V C C 3V
3 1
FB
1
2
35
LA
N
_
LE
D
1
46
VD
D
O
42
V D D
52
V I P _1
53
V I N _1
54
A V D D 12
55
V I P _2
56
V I N _2
57
GN D
58
A V D D 33
59
V I P _3
60
V I N _3
61
A V D D 12
62
V I P _4
63
V I N _4
64
VC C _C A R D
SD
_
BS
3. 3 V_ LA N
LA N _ MD I P0
[2 5]
LA N _ MD I N 1
[2 5]
LA N _ MD I P1
[2 5]
LA N _ MD I N 0
[2 5]
JMC251C
VD D R EG
DV
DD
1 0/29
S D _B S
(>20mil)
P in #3 1
3. 3 V S
C 44 2
0. 1u _1 6V _ Y 5V _0 4
C 44 3
*10 u_ 6. 3V _ Y 5V _0 6
P in #3 2
P in# 32
(>20mi l)
V D D R EG
C 198
0 . 1u _1 6V _Y 5 V _04
C 1 99
1 0u _6 . 3V _X 5R _ 06
R 42 7
*2 0m il _0 4
Pi n# 31
11 /0 2
5 V
[ 2 0, 23 , 26 , 30, 3 1, 3 3, 34 , 35 ]
(>20mil)
LA N _S C L
R 13 6
*0 _0 4
P C I E_ TX P4 _GL A N [ 1 4]
C L K_ P C I E_ GLA N [ 14 ]
C LK _ PC I E _GL A N # [ 14 ]
P C I E _TX N 4_ GLA N [ 14 ]
MS _I N S #
AV
D
D
1
2_
7
R E X T_C
3. 3 V_ LA N
LA
N
X
O
U
T
R 14 2
12 K_ 1% _0 4
MD
IO
1
3
P C I E_ R XP _4 _GL A N
P C I E _R X P 4_GL A N [ 1 4]
MD
IO
7
C 4 34
0. 1 u_ 10 V_ X7 R _0 4
PC I E _ R XN 4 _GLA N [ 14 ]
C 4 33
0. 1 u_ 10 V_ X7 R _0 4
(>20mil)
P C I E_ R XN _ 4_ G LA N
6-22- 25R00 -1B4
6-22- 25R00 -1B5
V D D 3
3 . 3V S
R1
4
5
*2
0m
il_0
4
LA N _S D A
C PP E N
S D _C L K
MD I O 10
R 1 91
*20 mi l_ 04
R 49 3
1 0K _0 4
SD
_D
0
P C I E_ WA K E #
[ 15 , 22, 2 6]
LA N _ PC I E _W A K E#
R 434
1 0K _0 4
P C I E_ WA K E #
3. 3 V_ LA N
C 16 5
0. 1 u_ 16 V_ Y 5V _0 4
C 17 0
2. 2 u_ 6. 3V _ Y 5V _0 6
S D X C _P O WE R
MPD
C 4 78
* 0. 1u _1 6V _Y 5 V _0 4
Near Ca rdr ead er CON N
V C C _C A R D
AV D D 1 2_ 55
S D _D 3
LA
N
_
LE
D
1
A VD D 1 2_ 62
3.
3V
_
LA
N
S D _C L K
3 . 3V _L AN
A VD D 12_ 7
MD I O 9
MS _I N S #
MD
IO
1
1
RE
G
L
X
3 . 3V _L A N
SD _ C D #
V D D 3
SD
_D
2
LA N _P C I E _W AK E # [ 27 ]
MS _I N S #
R1
46
*2
0m
il_0
4
11 /0 2
V D D 3
[ 13, 2 2, 2 7, 31 , 32 ,3 8]
LA N _P C I E _W A KE #
C 48 2
0. 1u _1 6V _Y 5 V _0 4
C 47 9
0. 1u _1 6V _Y 5 V _0 4
P C 9 8
* 82 p_5 0V _ N PO _ 04
U 20
*A X 6 6 1 0
GN D
1
V C N TL
6
V OU T
3
V I N
5
V OU T
4
V F B
2
P OK
7
E N
8
V I N
9
P R 1 16
* 1. 27 K _1 %_0 4
P C 99
*0
.1
u_1
6V
_
Y
5V
_04
J_ C AR D -R E V 1
MD R 01 9-C 0 -1 04 2
D A T2 _S D
P 2
V S S_ MS
P 21
C D / D A T3 _S D
P 3
C MD _ SD
P 4
V S S_ S D
P 5
V D D _S D
P 6
C L K_ S D
P 7
V S S_ S D
P 8
D A T0 _S D
P 9
D A T1 _S D
P 10
W P _S D
P 11
V S S_ MS
P 12
V C C _MS
P 13
S C LK _ MS
P 14
D A T3 _MS
P 15
I N S _MS
P 16
D A T2 _MS
P 17
S D I O/ D A T0_ MS
P 18
D A T1 _MS
P 19
B S _MS
P 20
C D _ SD
P 1
GN D
P2 3
GN D
P2 2
P C 1 02
*1 u_ 10 V_ Y 5V _ 06
D VD D
PR 1 14
*2. 4 9K _1 %_ 04
VD D 3
S D _D 2
1.2V
1A
2A
GS 711 3
6- 02- 071 13- 320
AX 661 0
6- 02- 066 10- 320
S D _W P
V C C _C A R D
R 49 6
*7 5_ 04
Card Reader
Power
V C C _ C A R D
V C C _ C A R D
10/2 9
S D _D 0
S D _D 0
1 . 5V
[3 , 6, 8 ,9 , 10 , 20, 2 6, 2 8, 31 , 33 ]
MD I O12
SD
X
C
_
PO
W
E
R
10/ 29
LA N _ MD I N 3
R 4 48
*2 0mi l _0 4
DV
DD
SD
_D
3
C 43 1
2 2p _50 V _N P O _0 4
C 432
22p _5 0V _N PO_ 04
L AN X OU T
R 144
*2 0mi l _04
LA N X IN
X 10
FS X 5L_ 25 MH Z
1
2
R 428
*1 M_04
S D _D 1
C 44 0
0 . 1u _16 V _Y 5 V_ 04
D VD D
D VD D
D VD D
MP D
R 21 7
* 4. 7K _0 4
V D D 3
R 21 6
1 0K _0 4
3 .3 V S
X9
* FS X5 L_ 25 MH z
1
2
3
4
S D _C D #
D 1 6
R B 7 51 S-4 0C 2
A
C
S D _D 2
R 156
*2 0mi l _04
CR
_CD
1
N
S D _C L K
C 4 54
*1 0p _5 0V _N P O_0 6
S D _D 3
V C C _ C AR D
R 162
*2 0mi l _04
LA
N
_
LE
D
0
SD _ WP
R 15 8
1 K_ 04
Ca rd Rea der Pu ll High /Lo w
Re sis tor s
R 49 7
*4 . 7K _0 4
3 .3 V S
S D _W P
V C C _ C AR D
S D _C D #
11 /0 2
Sheet 24 of 43
Card Reader/LAN
JMC251C
Summary of Contents for W270HUQ Series
Page 1: ...W270HUQ Series ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W270HUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 42: ...Disassembly 2 18 2 Disassembly ...
Page 45: ...Top A 3 A Part Lists Top 灰 色 Figure A 1 Top ...
Page 46: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 47: ...SATA BLU RAY COMBO A 5 A Part Lists SATA BLU RAY COMBO 志精 Figure 3 SATA BLU RAY COMBO ...
Page 48: ...A 6 SATA DVD DUAL A Part Lists SATA DVD DUAL Figure 4 SATA DVD DUAL 志精 ...
Page 49: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 50: ...A 8 LCD A Part Lists ...
Page 95: ...www s manuals com ...