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AL-1661CS CIRCUIT DIAGRAM 13 - 23
MCU PWB (Modem I/F Connector)
C359
OPEN
C366
OPEN
R306
10kJ
C363
OPEN
C365
OPEN
R357 N.M.
C367
OPEN
C368
OPEN
C369
OPEN
IC46
NC7S32M5X
1
2
4
5
3
C370
OPEN
C371
OPEN
C372
OPEN
C362
OPEN
C373
OPEN
C374
OPEN
C361
OPEN
C375
OPEN
C376
OPEN
C402
0.1u
C360
OPEN
C364
OPEN
CN37
26FE-BT-VK-N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
CN38
20FE-BT-VK-N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PB_ADDR7
PB_ADDR3
PB_ADDR2
PB_ADDR0
PB_ADDR5
PB_ADDR6
PB_ADDR1
PB_ADDR4
PB_DATA7
PB_DATA3
PB_DATA0
PB_DATA1
PB_DATA4
PB_DATA6
PB_DATA5
PB_DATA2
MDM_IRQ
MSU_ST1
D1
D0
D4
D7
D2
D3
D5
D6
PB_DATA7
PB_DATA3
PB_DATA0
PB_DATA1
PB_DATA4
PB_DATA6
PB_DATA5
PB_DATA2
MDM_IRQ
D1
D0
D4
D7
D2
D3
D5
D6
MSU_ST1
VCC324V
PGND
EN5V
VCC3
VCC3
VCC3
/RD
/CS4
MSU_ST1
MDM_IRQ
PB_ADDR[7:0]
PB_NAE0
PB_NCS1
PB_NOE
MODEM_IN
PB_DATA[7:0]
D[15..0]
/OA_RST
PB_NWE
/FWREN
To Modem PWB
To Modem PWB
(9-B3)(8-A3)
(8-A3) (9-B3)(9-B3)
(9-A2) (8-A3)
(9-B2)
(8-A3)
(8-A3)
(8-A3)
(8-A2)
(9-B2)
(4-A2)(2-A1) (3-A1)(1-D2)
(4-A3)
(1-D3)
(3-A2)(2-C1)(1-B3)
(1-A3)
(2-D1)
(2-D1)
A
A
B
B
C
C
D
D
4 4
3 3
2 2
1 1
E
E
13/14