3/7
Mo
de
m bl
o
c
k
6 – 3
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
–
+
–
+
–
+
–
+
+5V
D7
D7~D0
R270
10
A0
C185
0.01
NC
R247
10
D6
D5
D4
D3
D2
D1
D0
A1
A2
A3
A4
1
2
3
4
5
RS4
RS3
RS2
RS1
RS0
7
D7
8
D6
9
D5
10
D4
11
D3
12
D2
13
D1
14
D0
52
CS
53
READ
15
WRITE
68
IRQ1
72
RESET
47
POR
(3-5H)
CNLIUA-7
CNRBN-1
RHS
HS
RBN
60
59
57
56
55
54
6
16
97
58
66
77
80
81
32,33
34,41
42,49
51,91
R263
R287
30K
R237
L111
Z2131
C177
0.1
GPI7
GPI6
GPI5
GPI4
GPI3
GPI2
VDD1
DGND1
DGND5
VDD2
DGND2
VDD3
DGND3
DGND4
NC
NC
NC
NC
NC
NC
NC
NC
AVDD
VAA1
VAA2
DGNDA1
DGNDA2
DGNDA3
25
AGND2
RIN
CH
TALK
C187
0.22
TXA1
TXA2
C213
0.1
VREF
VC
SR3OUT
SR4IN
SPKR
L125
Z2133
DG
(1-6F)
35
45
21
30
43
C225
0.1
37
38
46
26
D105
1SS355
28
29
R235
100K
40
39
83
82
44
C214
0.1
14
13
IC13
NJM2902
C5
10/16
R299
3
+5V
R250
68.1K
MAG
SYSCLK
L126
+5V
R329
150
C128
R180
470
IC101
HCU04
14
7
5, 9, 11, 13
C170
0.1
+5V
7
IC104
NJM4558
C3
10/16
C4
10/16
3
R241
DG
SIGTX
C188
1000P
R240
39.2K
1
R1
R264
10K
(3-6C)
TTICONT
61
62
63
64
65
69
70
NC
88
23
18
79
GP07
GP06
GP05
GP04
GP03
GP02
GP01
SR1IO
TMODE
RMODE
SR3IN
R332
270
DG
VOL C
(6-4H)
(4-4A)
(6-1H)
(6-1H)
R290
10K
X2
49.92MHZ
C181
1000P
X3
19.66MHz
C136
15P
R190
1M
C130
15P
L107
Z2139
IC4
R144V24
+5V
MAG
IC105
NJM2902
MAG
DG
C198
0.1
R238
10K
11
6
NC
DG
DG
C249
DG
IC101
HCU04
1
C172
5P
R225
L110
3.3µH
C180
5P
DG
DG
(5-5E)
PIN
(5-5C)
TTICONT
R253
MCS
RD
WR
MIRQ
(1-3H)
(1-3H)
(1-3H)
(1-6F)
R246
10K
R239
10K
TR108
A4~A0
MDMRST
NC
C174
0.1
C190
1000P
DG
CNMT-1
C114
1000P
DG
CSWSNS
N.M.
(6-5H)
CNLIUB-7
(4-4A)
(5-3E)
(6-1H)
VOL B
VOL A
PDOWN2
VREFCONT
PDOWN1
RXCONT
DG
(6-5H)
98
GPI1
95
GPI0
99
TXD
96
RTS
100
RXD
67
CTS
92
RLSD
93
DCLK
C196
0.1
+5V
L112
Z2131
DG
C197
0.1
C171
0.1
+5V
L109
Z2131
DG
C169
0.1
22,31
NC
NC
NC
NC
NC
NC
+5V
R220
10K
R222
R261
R219
R262
10K x 5
R218
R248
R265
R223
DG
C100
1000P
DG
C168
1000P
POUT
OPT
CNOPT-37
CNLIUA-8
78
IRQ2
71
GP00
DG
E
B
C
E
B
C
E
B
C
DG
RESET
(1-4A)
TR106
TR107
R334
270
R336
270
R338
270
R339
270
R337
270
R335
270
R333
270
(6-3H)
MONITOR
36
SLEEP
94
EN85
75
XCLK
76
YCLK
NC
89
EYEXY
85
EYECLK
84
EYESYNC
NC
NC
NC
73
XTLI
74
XTLO
0Ω
DG
17
RXOUT
90
SR4OUT
24
TXDAT
50
IACLK
48
CLKIN
86
IAICLK
19
TSTROBE
87
SAICLK
20
TRESET
NC
NC
MAG
C191
0.22
R254
10K
5
DG
DG
2
R224
33K
R221
15K
1
VREF1
VREF1
N.M.
NC
AGND2
27
DG
D106
1SS355
+5V
4
2
3
AG
IC105
NJM2902
R236
10K
R234
137K
SIGRX
(6-4H)
C184
0.1
R249
DG
N.M.
C186
1000P
+24VA
C176
0.1
2
DG
34
C135
1
12
270 x 5
IC101
HCU04
N.M.
N.M.
0Ω
N.M.
R359
0
N.M.
R183
68
FO-1850TH
Содержание FO-1850
Страница 65: ...M E M O FO 1850TH 5 13 ...
Страница 73: ...Control PWB parts layout Top side 6 8 FO 1850TH ...
Страница 74: ...Control PWB parts layout Bottom side 6 9 FO 1850TH ...
Страница 76: ...TEL LIU PWB parts layout 6 11 FO 1850TH ...
Страница 78: ...6 13 Power supply PWB parts layout FO 1850TH ...
Страница 81: ...Operation panel PWB parts layout 6 16 FO 1850TH ...
Страница 83: ...Joint PWB parts layout 6 18 FO 1850TH ...
Страница 96: ...M E M O FO 1850TH 8 9 ...