Service manual

Schematic Diagrams
JMC 251 Card Reader B - 33
B.Schematic Diagrams
JMC 251 Card Reader
Sheet 32 of 53
JMC 251 Card
Reader
Near Cardreader CONN
SD_CLK
MS_INS#
SD_BS
SD_CLK
SD_D3
SD_D2
SD_D3
SD_WP
SD_CD#
SD_D2
SD_CLK
SD_BS
SD_D1
SD_D0
SD_D0
SD_D1
C214
0.1u_16V_Y5V_04
Card Reader
Connector
MDI O14
SD_CD#
MS_INS#
MDI O12
MDI O7
SD_WP
C226
10u_10V_Y5V_08
R149 4.7K_04
C645
0.1u_16V_Y5V_04
R142 4.7K_04
C224
0.1u_16V_Y5V_04
R141 *200K_04
R161 1M_04
R144 4.7K_04
C181
0.1u_16V_Y5V_04
C416
10u_10V_Y5V_08
C198
0.1u_16V_Y5V_04
.
L15
SWF2520CF-4R7M-M
C221
22p_50V_NPO_04
C646
0.1u_16V_Y5V_04
C178
0.1u_16V_Y5V_04
R512 75_1%_04
C213 *.1U_16V_04
X1
FSX_5L_25MHz
12
R160 0_04
C658
4.7u_25V_X5R_08
R150 *0_04
R152
12K_1%_04
C215
22p_50V_NPO_04
C220
10u_10V_Y5V_08
R146 10K_04
C209
0.1u_16V_Y5V_04
R151 *100K_04
C205
0.1u_16V_Y5V_04
R126 22_04
C218 0.1u_10V_X7R_04
C227
10u_10V_Y5V_08
J_CARD-REV1
MDR019-C0-1042
DAT2_SD
P2
VSS_MS
P21
CD/DAT3_SD
P3
CMD_SD
P4
VSS_SD
P5
VDD_SD
P6
CLK_SD
P7
VSS_SD
P8
DAT0_SD
P9
DAT1_SD
P10
WP_SD
P11
VSS_MS
P12
VCC_MS
P13
SCLK_MS
P14
DAT3_MS
P15
INS_MS
P16
DAT2_MS
P17
SDIO/DAT0_MS
P18
DAT1_MS
P19
BS_MS
P20
CD_SD
P1
GND
P23
GND
P22
C216
0.1u_16V_Y5V_04
RN2
10K_8P4R_04
1
2
3
45
6
7
8
C644
0.1u_16V_Y5V_04
C219 0.1u_10V_X7R_04
C452
0.1u_16V_Y5V_04
C217
0.1u_16V_Y5V_04
C632
*10P_50V_04
R140 *200K_04
(LQFP 64)
JMC251
JMC261
U9
JMC251
REXT
1
VDDX33
2
XIN
3
XOUT
4
GND
5
LX
6
FB12
7
VDDREG
8
CLKN
9
CLKP
10
AVDDH
11
RXP
12
GND
14
TXN
15
TXP
16
AVDDX
17
RSTN
18
WAKEN
19
MP D
20
CREQN
21
SMB_SCL/LED2
22
CR_CD1N
23
CR_CD0N
24
RXN
13
MDIO8
37
VDDIO
38
MDIO7
39
MDIO6
40
GND
41
MDIO5
42
MDIO4
43
MDIO3
44
VDDIO
45
MDIO2
46
MDIO1
47
MDIO0
48
MDIO9
36
MDIO10
35
MDIO11
34
MDIO12
33
GND
32
MD IO13
31
MD IO14
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
C642
0.1u_16V_Y5V_04
C203
0.1u_16V_Y5V_04
C640
0.1u_16V_Y5V_04
R127 *10K_04
VCC_CARD
VCC_CARD
VCC_CARD
3.3V
3.3VS
VCC_CARD
VCC_CARD
VCC_CARD
3.3V
3.3V
3.3V3.3V
3.3V3.3V
DVDD
DVDD
DVDD
DVDD
DVDD
3.3V
DVDD
3.3VS
3.3V
DVDD
DVDD
3.3V
3.3V
LAN_MDIP134
LAN_MDIN034
LAN_MDIP034
3.3V
3.3V3,4,12,13,17,19,20,21,23,24,26,28,29,31,33,34,37,39,40,41,44
LAN_MDIN134
CLK_PCI E_GLAN 20
PCIE_WAKE# 21,28,31
BUF_PLT_RST# 4,23,28,31,36
CLK_PCIE_GLAN# 20
PCIE_TXN2_GLAN 20
PCIE_TXP2_GLAN 20
LAN_MDIP234
PCIE_RXN2_GLAN 20
PCIE_RXP2_GLAN 20
Card Reader
Power
LAN_MDIN334
LAN_MDIP334
LAN_MDIN234
CR1_LEDN
LAN_LED2
LANXOUT
Card Reader Pull
High/Low
Resistors
Pin#26
Pin#51
Place all capacitors closed to chip.
The subscript in each CAP incicates the pin
number of JMC251/JMC261 that should be
closed to.
Pin#55
Pin#38
Reserved
Pin#55Pin#62
Pin#27
Pin#2
Reserved
Pin#11Pin#59Pin#59
SD_BS
Pin#7Pin#7
ARFB12
For JMC251/261
only
Switching Regulator
REGLX
(>20mil)
SD_D0
MDI O13
SD_D2 SD_D1
SD_C D#
MS_ IN S#
CR1_PCTLN
SD_CLK
LAN_LED0
LAN_LED1
LAN_MDIN2
LAN_MDIP3
LAN_MDIN3
LAN_MDIP2
Pin#8Pin#8
NC
FunctionC566
NC Enable D3E(2)
NC
NC
NC
100K
NC
R178
NC
Enable D3E(1)0
R188
NC
0.1u
0 Disable D3E
R432
SD_D3
For JMC251/261
only
MDIO8 SD_WP MDIO7 SD_BS
1. For JMC251/JMC261 only.
2. MPD connect to Main Power or
RSTN for D3E applicaion, to AUX
power otherwise.
MDIO12 MDIO10
MDIO9
MDIO11
LAN_LED2
CR1_PCTLN
MD IO13
MD IO14
CR1_LEDN
MDIO Single
End = 50
Ohm
PCIe Differential
Pairs = 100 Ohm
REGLX ARFB12
LANXOUT LANXIN
(>20mil)
JMC251
LANXIN
3.3VS2,10,11,12,13,19,20,21,22,23,24,25,26,28,29,30,33,35,36,37,42,43,46