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_DA
TA
7
PB_DA
TA
3
PB_DA
TA
0
PB_DA
TA
1
PB_DA
TA
4
PB_DA
TA
6
PB_DA
TA
5
PB_DA
TA
2
MDM_IRQ
MSU_ST1
D1 D0
D4
D7
D2
D3
D5
D6
PB_DA
TA
7
PB_DA
TA3
PB_DA
TA0
PB_DA
TA1
PB_DA
TA
4
PB_DA
TA
6
PB_DA
TA
5
PB_DA
TA2
MDM_IRQ
D1 D0
D4
D7
D2
D3
D5
D6
MSU_ST1
VCC3
24V
PGND
EN5V
VCC3
VCC3
VCC3
/RD /CS4
MSU_ST1
MDM_IRQ
PB_ADDR[7:0]
PB_NAE0
PB_NCS1
PB_NOE
MODEM_IN
PB_DA
TA
[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
Summary of Contents for AL-1661CS
Page 201: ...AL 1661CS CIRCUIT DIAGRAM 13 40 6 7 8 9 10 11 12 6 7 8 9 10 11 12 A B C D E F G H 1 1 ...
Page 212: ...Memo ...
Page 213: ...Memo ...