
FO-5700U
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
–
+
–
+
–
+
–
+
D7
IC41
R288F
33600bps FAX MODEM
D6
D5
D4
D3
D2
D1
D0
RS4
RS3
RS2
RS1
RS0
READ
WRITE
CS
TMODE
RMODE
IRQ
IRQ
DSP_IRQ
N.C.
POR
RES
DSP_RESET
RESET
CLKIN
IA_CLKIN
XTAL1
XTAL2
TALK
RI
OHRC
RINGD
SPKR
TXD
RXD
RTS
CTS
RLSD
DTR
DSR
XTCLK
TDCLK
RDCLK
RXOUT
TXDAT
EYSYNC
EYECLK
EYEXY
GP0
TXA2
TXA1
RIN
VREF
VC
5VA
AGND1
AGND2
VDD1
VDD2
VDD3
VDD4
DGND1
DGND2
DGND3
DGND4
DGND5
18
67
17
68
16
15
9
14
R501 10
R502 10
R503 10
R504 10
R505 10
R506 10
R507 10
R508 10
MD15
MD14
MD13
MD12
MD11
MD10
MD9
MD8
(1-6H)
MD[15:0]
(1-6H)
MA[21:0]
MA5
MA4
MA3
MA2
MA1
R509 10
R510 10
R511 10
R512 10
R513 10
(1-2D)
/MRD
(1-1D)
/MWRH
(6-4G)
/MDMCS
R515 10
R514 10
R516 10
63
64
65
66
20
60
61
62
45
44
TP500
(6-4G)
/MDMINT
IC42A
TC7S04FU
42
8
38
4
TP501
TP502
R517 10
1
32
C500
2200P
DG
(6-4G)
/MDMRST
C501
2200P
R518
N.M.
TP503
39
2
59
33
3
12
L500
1.0
C502
0.01(K)
C504
3P
X4
56.448MHz
R519
100
DG
DG
DG
12
13
10
19
40
43
55
11
36
41
56
22
30
21
24
25
23
27
26
53
48
47
46
49
42
52
50
54
58
34
51
37
7
35
57
29
6
TP504
TP505
TP506
R520
10K
R521
10K
R522
10K
R523
10K
R524
10K
DG
C505
0.1
TP507
TP508
TP509
TP510
C509
0.1(K)
C510
180P(SL)
R529
68.1K(F)
8
9
10
4
+12V
DG
11
DG
R550
3.3K
IC43C
NJM2902M
SIGRX
(4-3A)
R530
137K(F)
C511
0.1(K)
MAG
DG
C515
0.1
C516
0.1
C14
10/25
C15
10/25
R534
0
+5VA
DG
MAG
C16
10/25
C517
1
C518
0.1
R535
20(1/8W)
R536
0
+5V
12
L501
0
12
L502
0
DG
R520
0.1
C519
0.1
C18
10/25
C17
10/25
7
5
4
+12V
DG
6
11
DG
C529
0.1
R549
3.3K
C508
0.1(K)
R526
44.2K(F)
IC43B
NJM2902M
SIGTX
(4-5A)
R525
44.2K(F)
R527
44.2K(F)
R528
44.2K(F)
VRED
C506
0.1(K)
C507
0.1(K)
R531
0
VRED
7
5
6
8
+12V
DG
4
DG
DG
DG
C512
0.1
R556
N.M.
C513
2.2
R533
33K
R532
33K
C514
0.1
VCC
GND
N.C.
IC42B
TC7S04FU
DG
+5V
C421
1
MAG
DG
R537
0
DG
DG
+12V
1
3
2
8
4
+12V
R5
91(1/2W)
1
3
2
IC500
NJM78L05UA
D501
1SS355
C523
0.1
C524
0.1
+5VA
DG
C20
47/16
+24VA
R4
91(1/2W)
3
1
2
IC45
NJM78M12
D500
1SS355
C521
0.1/50
C522
0.1
+12V
DG
C19
47/25
R6
0(1/4W)
31
5
28
+5V
1
2
C503
10P
1
5
3
IC44B
NJM2904M
IC44A
NJM2904M
IN
G
OUT
OUT
G
IN
Modem block 1
3/16
6 – 3
Содержание FO-5700
Страница 83: ...FO 5700U LIU PWB parts layout 6 20 ...
Страница 86: ...FO 5700U Printer PWB parts layout Top side 6 23 ...
Страница 87: ...FO 5700U Printer PWB parts layout Bottom side 6 24 ...
Страница 89: ...FO 5700U Power supply PWB parts layout 6 26 ...
Страница 100: ...FO 5700U 6 37 Memory PWB parts layout Top side Memory PWB parts layout Bottom side ...