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FO-2970MU
6 – 5
1
2
6
4
3
5
BD
E
F
G
I
H
C
A
BD
E
F
G
I
H
C
A
1
2
6
4
3
5
83
73
8
81
87
88
89
90
91
93
94
95
6
5
21
46
17
20
39
96
97
2
3
4
7
D4
D5
D6
D7
48
34
18
54
/MDMRST
60
19
IRQ
N.C
N.C
N.C
N.C
POR
RESET
N.C
N.C
M_TXSIN
74
45
72
30
31
1
14
32
SR4OUT
M_SCK
EYEXY
RDCLK
YCLK
RIN
VREF
VC
RESERVED
RESERVED
92
26
62
11
67
68
75
64
10
35
40
42
61
56
23
47
36
78
12
TP208
TP212
VDD1
MAVDD
VCORE
D0
D1
D2
D3
D4
D5
D6
D7
RS0
RS1
RS2
RS3
RS4
RD
WR
CS
M_RXOUT
SR4IN
TXD
RXD
RTS
CTS
DTR
DSR
XTCLK
TDCLK
RESERVED
RESERVED
RESERVED
M_CNTRL_SIN
SR1IO
SLEEP
M_STROBE
EYESYNC
38
50
71
69
63
13
57
84
37
76
49
77
27
TP206
SPKRP
IC8
FM336
33600 bps FAX MODEM
VDD
VDD
VGG
VDD1
VDD1
VDD1
VDD1
VDD1
TALK
RI
OH
RINGD
SPKR
SIGRX
(2-1D)
(6-3A)
(6-3D)
C61
10/50
C388
0.1
TP205
+5V
R382
10K
R383
10K
TP209
9
TP210
TP207
70
TP211
24
29
28
TXA2
TXA1
(6-5B)
(6-5B)
C60
10/50
C386
0.1
15
58
59
66
82
51
33
25
98
100
+3.3V
DG
R381
0
L102
0
12
C59
10/50
C53
0.1
MAG
DG
MAG
R384
0
79
41
55
44
43
22
85
86
52
16
53
65
80
99
+5V
C45 0.1
C46 0.1
C47 0.1
C48 0.1
C371 0.1
C49 0.1
DG
C50 0.1
C51 0.1
C52 0.1
DG
D3
D2
D1
D0
D[7:0]
A4
A3
A2
A1
A0
A[4:0]
/MDMCS
(2-1D)
/MDMWR
(2-1D)
/MDMRD
(2-1D)
R374 100
R375 100
R376 68
TP204
MAG
DG
R380
100
R390
18P
C382
18P
2
1
X2
28.224MHz
C380
2200P
C381
2200P
R379
47K
DG
DG
R398
N.M
+3.3V
DG
/MDMINT
(2-1D)
IC18C
74HCU04
5
6
R377
4.7K
R378
10
+5VA
MAG
MAG
C379
0.1
C58
22/50
L101
10
+3.3V
DG
C376
0.1
C57
22/50
C322
1
DG
+5V
C104
1
REG1
XC62FP3302P
12
(1-6I)
(1-5I)
DG
C389
0.1
D100
1SS355
KA
2
1
3
+3.3V
N.C
N.C
M_CLKIN
CLK_OUT
XTALI/CLKIN
XTALO
VSUB
VSS
VSS
VSS
VSS
RLSD
IA_SLEEP
EYECLK
GRO0
XCLK
TXA2
TXA1
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
MAVSS
MAVSS
PLL_VDD
PLL_GND
VSS
Modem block
5/9
Summary of Contents for FO-2970M
Page 70: ...FO 2970MU 6 10 Control PWB parts layout Top side ...
Page 71: ...FO 2970MU Control PWB parts layout Bottom side 6 11 ...
Page 73: ...FO 2970MU 6 13 TEL LIU and Hook SW PWB parts layout Top side ...
Page 74: ...FO 2970MU 6 14 TEL LIU and Hook SW PWB parts layout Bottom side ...