
Schematic Diagrams
PCIE Card Reader/LAN JMC251 B - 31
B.Sch
e
m
a
tic D
iag
rams
PCIE Card Reader/LAN JMC251
Sheet 30 of 52
PCIE Card Reader/
LAN JMC251
R447
75_1%_04
SD_CLK
C293
10u_10V_X5R_08
C279
0.1u_16V_Y 5V_04
R232
1M_04
C768
0.1u_16V_Y5V_04
Z2903
L28
*WCM2012F2S-161T03-SHORT
1
4
2
3
SD_D1
SD_BS
MS_INS#
SD_CLK
SD_D0
VCC_CARD
SD_CD#
SD_D3
J_CR1
88025-200L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SD_D2
SD_WP
L29
*WCM2012F2S-161T03-SHORT
1
4
2
3
L30
*WCM2012F2S-161T03-SHORT
1
4
2
3
L31
*WCM2012F2S-161T03-SHORT
1
4
2
3
PCIE_CLK_JMB#
19
PCIE_CLK_JMB
19
3VS
3V
3V
3V
3V
LAN_MDIN4
D03
LAN_MDIP3
3V
3V
3V
3V
MDIO14
MS_INS#
MDIO12
MDIO7
3V
3V
3VS
3V
S1
SHORT_1MM
2
1
CR1_PCTLN
30 mil
30 mil
MX3-
MX4+
MX1+
MX2+
MX2-
MX1-
MX4-
MX3+
LAN_MDIN1
LMX2-
LAN_MDIN3
CLOSE TO TRANSFORMER
LAN_MDIP1
SD_CD#
L35
LFE9219C-R
TCT1
1
TD1+
2
TD1-
3
TCT2
4
TD2+
5
TD2-
6
TCT3
7
TD3+
8
TD3-
9
TCT4
10
TD4+
11
TD4-
12
MX4-
13
MX4+
14
MCT4
15
MX3-
16
MX3+
17
MCT3
18
MX2-
19
MX2+
20
MCT2
21
MX1-
22
MX1+
23
MCT1
24
LAN_MDIN2
Z2908
LMX3-
3V
6,12,13,15..17,20,21,25,28,29,34,35,37..41
3VS
7..9,12,13,15..28,31..34,36,37,40,41
Z2905
Z2909
Z2901
LAN_LED2
CR1_LEDN
Z2904
Z2906
Z2907
LAN_MDIP4
.
L61
SWF2520CF-4R7M-M
LANXOUT
R446
75_1%_04
R444
75_1%_04
R445
75_1%_04
R561
*200K_04
Z2912
Z2913
C263
0.1u_16V_Y5V_04
C100DB-10805_L
J_RJ45
DD-
8
DD+
7
DB-
6
DC-
5
DC+
4
DB+
3
DA-
2
DA+
1
shield
GND1
shield
GND2
C269
10u_10V_X5R_08
C305
22p_50V_NPO_04
C742
0.1u_16V_Y5V_04
C880
0.1u_16V_Y5V_04
C261
0.1u_16V_Y5V_04
R257
75_1%_04
C765
*0.1u_16V_Y5V_04
BUF_PLT_RST#
15,29,31,34
R560
0_04
X1
25MHz
1
2
C879
4.7u_25V_X5R_08
R537
12K_1%_04
R565
*0_04
C277
10u_10V_X5R_08
C280
22p_50V_NPO_04
RN6
8P4RX4.7K_04
1
2
3
4
5
6
7
8
R563
0_04
R562
10K_04
C262
0.1u_16V_Y5V_04
R564
*100K_04
R221
22_04
C295
0.1u_16V_Y5V_04
C753
0.1u_10V_X7R_04
Pin#38
Pin#62
C299
10u_6.3V_X5R_08
Pin#59
NC
NC
RN5
8P4RX10K_04
1
2
3
4
5
6
7
8
C566
C766
0.1u_16V_Y5V_04
Pin#7
C761
0.1u_10V_X7R_04
C770
0.1u_16V_Y5V_04
C289
0.1u_16V_Y5V_04
Pin#51
0
PCIe Differential
Pairs = 100 Ohm
MDIO Single
End = 50
Ohm
C767
0.1u_16V_Y5V_04
Function
R241
*200K_04
C459
*10p_50V_NPO_04
C769
0.1u_16V_Y5V_04
For JMC251/261
only
7mm X 7mm
NC
Pin#26
(LQFP 64)
JMC251
JMC261
U41
JMC251
RE
X
T
1
V
DDX
3
3
2
XI
N
3
XO
U
T
4
GN
D
5
LX
6
FB
1
2
7
V
DDR
E
G
8
CL
K
N
9
CL
K
P
10
AV
D
D
H
11
RX
P
12
GN
D
14
TX
N
15
TX
P
16
AVDDX
17
RSTN
18
WAKEN
19
MPD
20
CREQN
21
SMB_SCL/LED2
22
CR_CD1N
23
CR_CD0N
24
RX
N
13
MD
IO
8
37
V
DDI
O
38
MD
IO
7
39
MD
IO
6
40
GN
D
41
MD
IO
5
42
MD
IO
4
43
MD
IO
3
44
V
DDIO
45
MD
IO
2
46
MD
IO
1
47
MD
IO
0
48
MD
IO
9
36
MD
IO
1
0
35
MD
IO
1
1
34
MD
IO
1
2
33
GND
32
MDIO13
31
MDIO14
30
SMB_SDA/CR_LEDN
29
TESTN
28
VDDIO
27
VDD
26
VCC3O
25
LED0
49
LED1
50
VDD
51
GND
52
VIP_1
53
VIN_1
54
AVDD12
55
VIP_2
56
VIN_2
57
GND
58
AVDD33
59
VIP_3(NC)
60
VIN_3(NC)
61
AVDD12(NC)
62
VIP_4(NC)
63
VIN_4(NC)
64
NC
Pin#55
Enable D3E(2)
C264
0.1u_16V_Y5V_04
JMC261--PN: 6-03-00261-0P2
R227
*10K_04
(>20mil)
DVDD
(>20mil)
Place all capacitors closed to chip.
The subscript in each CAP incicates the pin
number of JMC251/JMC261 that should be
closed to.
NC
0
VCC_CARD
DVDD
DVDD
REGLX
DVDD
SD
_
D
0
SD
_D
1
SD
_D
2
MDIO13
SD_CD#
MS_INS#
DVDD
SD_CLK
VCC_CARD
ARFB12
LMX1+
LMX3+
LMX4-
LMX4+
DVDD
LAN_LED1
Z2911
LAN_LED0
LMX2+
LMX1-
LAN_MDIP1
LAN_MDIP2
LAN_MDIN1
LAN_MDIN3
LAN_MDIN2
DVDD
LAN_MDIN4
LAN_MDIP3
LAN_MDIP4
Pin#8
JMC251--PN: 6-03-00251-0P0
3V
3VS
Z2910
XRSTN
Pin#2
VCC_CARD
R432
Disable D3E
VCC_CARD
JMC251 GIGA LAN
R178
SD
_D
3
NC
SD
_W
P
MDIO
8
SD
_B
S
MDIO
7
Card Reader
Power
DVDD
MDIO
1
2
MDIO
1
0
MDI
O
9
MDI
O
1
1
Pin#55
100K
Enable D3E(1)
LAN_CLKREQ#
LAN_LED2
Card Reader Pull
High/Low
Resistors
MDIO13
CR1_PCTLN
MDIO14
CR1_LEDN
Pin#59
RE
G
L
X
AR
F
B
1
2
LA
N
X
O
U
T
LA
N
X
IN
MX4-
MX2-
MX1-
0.1u
MX4+
MX1+
MX2+
MX3-
MX3+
1. For JMC251/JMC261 only.
2. MPD connect to Main Power or
RSTN for D3E applicaion, to AUX
power otherwise.
Pin#7
NC
NC
Pin#11
Near Cardreader CONN
R188
Pin#27
Switching Regulator
Pin#8
For JMC251/261
only
LMX4+
LMX4-
LMX1-
LMX3+
LMX2-
LMX2+
LMX1+
LMX3-
C131
1000p_2KV_X7R_12_H125
Z291
4
SD_BS
SD_WP
PE4_TX_JMB#
15
PE4_TX_JMB
15
PE4_RX_JMB#
15
PE4_RX_JMB
15
LAN_MDIP2
C699
0.01u_16V_X7R_04
Z2902
C696
0.01u_16V_X7R_04
Layout note:
Place under the common
choke body and same as
PHY layout requirment
C697
0.01u_16V_X7R_04
C698
0.01u_16V_X7R_04
LANXIN
PE_WAKE#
16,29,34
Summary of Contents for X7200
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer X7200 Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 52: ...Disassembly 2 28 2 Disassembly ...
Page 55: ...Part Lists Top A 3 A Part Lists Top Figure A 1 Top 黑色 凱碩 藍天 互億 非耐落 非耐落 ...
Page 56: ...Part Lists A 4 Bottom A Part Lists Bottom Figure A 2 Bottom 非耐落 ...
Page 57: ...Part Lists LCD A 5 A Part Lists LCD Figure A 3 LCD ...
Page 60: ...Part Lists A 8 VGA GTX1 A Part Lists VGA GTX1 Figure A 6 VGA GTX1 增加 半卡 半卡 非耐落 ...
Page 114: ...Schematic Diagrams B 54 B Schematic Diagrams ...