Service manual

AL-1651CS CIRCUIT DIAGRAM 13 - 24
R306 10kJ
21
CN38 20FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
CN37 26FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
C359
OPEN
12
C360
OPEN
12
C361
OPEN
12
C362
OPEN
12
C363
OPEN
12
C364
OPEN
12
C365
OPEN
12
C366
OPEN
12
C367
OPEN
12
C368
OPEN
12
C369
OPEN
12
C370
OPEN
12
C371
OPEN
12
C372
OPEN
12
C373
OPEN
12
C374
OPEN
12
C375
OPEN
12
C376
OPEN
12
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
/RD
/CS4
MSU_ST1
MDM_IRQ
PB_ADDR[7:0]
PB_NAE0 PB_NCS1
PB_NOE
PB_NWE
(/ASIC_RST)
MODEM_IN
PB_DATA[7:0]
D[15..0]
To Modem PWB To Modem PWB
(9-B3)(8-A3) (8-A3) (9-B3)(9-B3)
(9-A2) (8-A3) (9-B2)
(4-D3) (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)
AB CD AB CD
4 3 2 1
4 3 2 1
MCU PWB (Modem I/F Connector) 13/14