HBD-E385/E390/T39
HBD-E385/E390/T39
40
40
5-11. SCHEMATIC DIAGRAM - MB148 Board (4/9) -
• See page 55 for IC Block Diagrams. • See page 61 for IC Pin Function Descriptions.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MB148 BOARD (4/9)
DCDC5V
WIFI_PCONT
5.2
5.2
0.4
3.3
5.2
3.3 3.3
3.3
3.3 3.3
5.2
5.2
0.4
3.3
3.3
1
2
3
4
5
CN602
5P
C632
10
JL608
JL607
JL605
JL606
C603
10
5.1k
R609
22k
R5603
1k
R5601
10k
R5605
100k
R5613
0
R5604
C5602
10
C5603
10
C5601
0.1
AA3
W4
U3
W2
W1
Y2
Y1
V2
V1
GND
DM
VBUS
GND
DP
DM0
DP0
GND
C6412
0.001
J6401
1P
JL6404
JL6403
JL6402
0
R6403
JL6401
4.7k
R6406
CPU_XRST
4.7k
R6407
0
R6411
C6405
0.1
L6402
1.8uH
C6413
47p
C6410
47p
0
R6416
75
R6420
C6403
10
C6401
0.1
C6402
0.1
0
R6421
3.3V
B18
C18
A18
C17
D16
F14
E16
G14
D12
E11
1
2
3
4
5
6
0
R1023
0
R1037
10k
R1038
10k
R1028
10k
R1033
100
R1021
100
R1020
0
R1022
CN1001
6P
3.3V
GND
RXD
TXD
JIG_MODE1
JIG_MODE0
CPU_XRST
OPWRSB
JL1005
JL1006
JL1002
JL1004
JL1003
JL1001
JL1013
JL1012
JL1018
JL1017
JL1016
JL1015
JL1007
JL1008
JL1019
JL1020
JL1010
JL1009
JL1011
JL1027
JL1028
CPU_TDI
CPU_TMS
CPU_TCK
CPU_TDO
RB1001
10k
RB1002
10k
IF_SDI
START_BIT
MIC_DET
DIR_XRST
UPG_STATUS
KRMOD
KRMOD
IF_SCK
IF_SDI
IF_SDO
START_BIT
UPG_STATUS
CPU_XRST
MIC_DET
OPWRSB
JIG_MODE1
JL1029
CPU_XRST
OPWRSB
SIRCS
100
R1019
100
R1018
IF_SDO
UPG_STATUS
MIC_DET
IF_SCK
IF_SDI
KRMOD
IF_SDO
IF_SCK
START_BIT
0
R1036
JL1030
U5
B23
A23
A22
D22
D20
E18
C22
AA5
AA4
AB1
AB2
Y6
AA1
AA2
E20
F19
A21
B22
W7
B21
IC101 (5/12)
CXD90008G-AA
IC101
BD DECODER (VIDEO)
IC101 (6/12)
CXD90008G-AA
IC101
BD DECODER
(UART/GPIO)
IC101 (7/12)
CXD90008G-AA
IC101
BD DECODER (USB)
NCP380HSNAJAAT1G
IC5601
IC5601
FRONT USB VBUS
12
MB148 BOARD
(3/9), (9/9)
(Page 39),
DIR_XRST
DIR_XRST
(NC)
VIDEO OUT
1
2
3
4
5
CN603
5P
JL611
C633
10
JL609
JL612
JL610
C5605
10
0
R5609
NCP380HSNAJAAT1G
IC5602
10k
R5606
C5604
1
47k
R5608
C5606
10
GND
DM
GND
DP
DM1
DP1
VBUS
IC5602
USB WLAN VBUS
WLC1
WIRELESS
LAN CARD
WIFI_PCONT
WIFI_PCONT
10k
R5611
Note 1:
IC101 on the MB148 board cannot exchange with
single. When this part is damaged, exchange the
complete mounted board.
Note 2:
When replacing the wireless LAN card (WLC1), refer to
“CHECKING METHOD OF NETWORK OPERATION”
(page 10).