Service manual

Schematic Diagrams
B - 26 Card Reader/LAN JMB251C
B.Schematic Diagrams
Card Reader/LAN JMB251C
Sheet 25 of 42
Card Reader/LAN
JMB251C
LAN _SC L
LAN _SD A
R317 *4.7K_04
R318 *4.7K_04
U21
*AT24C02BN
SC L
6
A0
1
A1
2
A2
3
WP
7
SD A
5
VC C
8
GND
4
3.3V_LAN
SD _BS
ISON
SD _D 1
DV DD
4 IN 1 SOCKET SD/MMC/MS/MS Pro
R 357 *0_06
3. 3 V
V DD3
C268
0.1u_16V_Y5V_04
C422
10u_6.3V_X5R_06
Pin#2Pin#2
Fo r JM C2 51 C
3.3V_LA N
SD _D 1
.
L3 5
SWF2520C F-4R7M-M
DVDD
Pin#33Pin#33
REGLX
(> 20 mi l)
Fo r JM C2 51 /2 61 o nl y
Switching Regulator
close to PIN33
C4 5 0
10 u _ 6. 3V _ X 5 R _ 0 6
C457
0.1u_16V_Y5V_04
(> 20 mi l)
DVDD
R177
* 15m il_s ho rt_06
near Pin#41
R192 *100K_1%_04
C41 9
0 . 1u _ 1 6V _Y 5 V _ 04
LAN_M DIP226
R358
*0_06
LAN_M DIN 226
LAN_M DIN 326
LAN_M DIP326
C238
0.1u_16V_Y5V_04
BUF _PLT_RST# 4,18,23,28
ISON
3.3VS2, 10 ,1 1 ,1 2,13 ,1 4 ,15 ,16 ,1 7,1 8 ,19 ,20 ,2 1 ,23, 24,2 6 ,2 7,2 8,2 9 ,30 ,3 1,3 5,3 6
DVDD26
C286
0.1u_16V_Y5V_04
C449
0.1u_16V_Y5V_04
C288
0.1u_16V_Y5V_04
C2 8 7
0. 1 u _ 16 V _ Y 5V _0 4
C2 4 0
0.1u_16V_Y5V_04
C461
0.1u_16V_Y5V_04
C289
0.1u_16V_Y5V_04
C4 4 7
*10u_6.3V_ X5 R_06
C4 6 0
0. 1 u _ 16 V _ Y 5V _0 4
Pin#7
Pin#52
Pl ace all ca pacitors closed t o ch ip.
The s ub scrip t in each CAP inci cates the pin
nu mb er o f JMC251/ JMC261 t hat sho uld be
closed t o.
3.3V3,4,1 2 ,14,1 5 ,1 6 ,18,1 9 ,2 0, 21,2 3 ,2 4,29 ,3 0 ,31,3 3 ,3 4,35
AVD D12_13
Pin#7Pin#55
Pin#43
Reserved
Pin#43
Pin#62
Reserved
Pin#21Pin#59Pin#59 Pin#2
C4 6 3
*0.1u_1 6V_ Y5V_ 0 4
C285
*10u_6.3V_X5R_06
3.3V_LAN
3.3V_LAN
AVDD 12_52
AVDD 12_7
C4 4 4
0. 1 u _ 16 V _ Y 5V _0 4
Pin#13
AVD D12_13
LAN XIN
SD_CLK
LAN _MD IN2
AVDD12_55
AVDD12_52
MDIO8
AVDD12_62
LAN _MD IP3
LAN _MD IP2
P CI e Di ff er en ti al
Pairs = 100 Ohm
MD IO1 4
R 344 100K_1%_04
(LQFP 64)
JMC251 C
U13
JMC 251_C
REX T
1
AVDD33
2
XIN
3
XOU T
4
GN D
10
LX
33
AVD D12
7
CPPE N
23
CLKN
5
CL KP
6
AVDD12
13
RXP
8
GN D
22
TX N
11
TXP
12
PW RC R
30
RSTN
24
WAKE N
27
MP D
28
ISO N
45
LA N_ L ED2
26
CR_CD1N
16
CR_CD0N
17
RXN
9
MD IO8
51
LAN_LED 0
47
MD IO7
15
MD IO6
20
GN D
44
MDIO5
41
MDIO4
40
MDIO3
39
VD DIO
43
MDIO2
38
MDIO1
37
MDIO0
36
MD IO9
50
MD IO1 0
49
MDIO11
48
MD IO1 2
19
VDD RE G
32
MDIO13
14
MD IO1 4
18
CR _LE D
25
TEST
29
VDDIO
21
GND
34
VC C3 V
31
FB12
35
LA N _ LE D 1
46
VDD O
42
VDD
52
VIP_1
53
VIN _1
54
AVD D12
55
VIP_2
56
VIN _2
57
GN D
58
AVD D33
59
VIP_3
60
VIN _3
61
AVD D12
62
VIP_4
63
VIN _4
64
R187 22_1%_04
VCC_CARD
SD _BS
3.3V_LAN
LAN_M DIP026
LAN_M DIN 126
LAN_M DIP126
LAN_M DIN 026
JMC251C
DVD D
SD _BS
(> 20 mi l)
Pin#31
3. 3 V S
C237
0. 1u _ 1 6V _Y 5 V _0 4
C425
10u_6.3V_X5R _06
Pin#32Pin#32
(>20mil)
VD D3
C233
0.1u_16V_Y5V_04
C4 5 3
10u_6.3V_X5R_06
Pin#31
(> 20 mi l)
LA N _ S C L
PC IE_TXP4 _ GL AN 15
CLK_PCIE_GLAN 15
C LK_ PC IE_GLAN # 15
PCIE_TXN4_GLAN 15
MS _IN S # AVDD 12_7
3.3V_LAN
LANX OU T
R202
12K_1%_04
MD IO1 3
PC IE_RXP4_ GLAN 15
MDIO7
C 236 0.1u_10V_X7R_04
PCIE_RXN4_GLAN 15
C 235 0.1u_10V_X7R_04
(> 20 mi l)
6- 22 -2 5R 00 -1 B4
6- 22 -2 5R 00 -1 B5
3.3V
3.3VS
R337
*15mil_short_06
LA N _ S D A
SD _C L K
MDIO10
R354
*0_06
ISON28
SD_D0
PC IE_W AKE#16,23 LA N _ P C I E _W A K E # 2 8
LA N_PCIE _W AKE#
R31 9 10 K_ 0 4
PC IE_W AKE#
3. 3V _ L A N
C2 7 1
0.1u_16V_Y 5V_04
C276
2.2u_6.3V_X5R_06
SD XC_POW ER
MP D
R201
*2K_1%_04
R198
* 1 0K _1 % _ 04
U27
*G 91 4 1
IN
1
SET
4
GND
2
SHDN#
3
OUT
5
C469
1u_6.3V_X5R _04
DV DD
C4 2 3
0 . 1u _ 1 6V _Y 5 V _ 04
Near Cardreader CONN
VC C_CAR D
C4 1 0
4. 7u _ 6 . 3V _X 5 R _ 0 6
AVD D12_55
G9141
APL5603-12B(no R201,R198)
SD _D 3
LAN_LED 1
AVDD 12_62
3. 3V _ L A N
SD _C L K
3.3V_LAN
AVDD12_7
MDIO9
MS _IN S #
MDIO11 REGLX
3 . 3V _L A N
SD_C D#
VDD 3
SD_D2
R328
*15m il_short_06
LAN_PC IE_W AKE# 28
VD D314,23,28,29,31,32, 37
R348
* 15m il_s h ort_06
C42 0
0 . 1u _ 1 6V _Y 5 V _ 04
C41 3
0 . 1u _ 1 6V _Y 5 V _ 04
J_C ARD -RE V1
MD R019-C0-1042
DAT 2 _S D
P2
VSS_MS
P21
CD/ DAT3 _S D
P3
CMD _SD
P4
VSS_SD
P5
VDD _S D
P6
CLK_SD
P7
VSS_SD
P8
DAT 0 _S D
P9
DAT 1 _S D
P10
WP_SD
P11
VSS_MS
P12
VCC _M S
P13
SCLK_MS
P14
DAT 3 _M S
P15
INS_ MS
P16
DAT 2 _M S
P17
SDIO /DAT0 _ MS
P18
DAT 1 _M S
P19
BS_MS
P20
CD_ SD
P1
GN D
P23
GN D
P22
SD _D 2
SD _W P
VDD 3
VC C_CA RD
R316
75_1%_04
Ca rd R e ad er
Po we r
VC C_C ARD
VC C_C ARD
SD _D 0
SD _D 0
MDIO12
SD XC_PO W ER
LAN _MD IN3
3.3V
DVDD SD_D 3
C2 4 8
22p_50V_N PO _04
C26 1
22p_50V_N PO_04
LANXO UT
R349 *15m il_short_06
LA N X I N
X5
FSX5L_25MH z
12
R 184 *1M _04
SD _D 1
C239 0.1u_16V_Y 5V_04
DVD D
DVD D
DVD D
MPD
R321 * 4.7K_04
VD D3
R320 100K_1%_04
3. 3 V S
SD _C D#
D19
SCD 3 40
A C
SD _D 2
R350 *15m il_short_06
SD _C LK
C2 7 0
*10p_50V_NPO _06
SD _D 3
VC C_CAR D
R351 *15m il_short_06
LAN _LE D0
SD_W P
R 311 10K _04
R 313 *10K_04
Card Reader Pull High/Low
Resistors
R3 1 4 * 4 .7K _0 4
3.3VS
SD_WP
VC C_C ARD
MS_INS#
SD _ CD #