FO-50RA
FO-70RA
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit
1/6
Main control block
6 – 1
1
2
6
4
3
5
BD
E
F
G
I
H
C
A
1
2
6
4
3
5
BD
E
F
G
I
H
C
A
107
73
74
75
76
77
79
80
82
83
84
85
86
87
89
90
91
92
93
94
96
97
100
99
98
101
33
34
35
36
29
30
31
37
38
39
40
42
43
44
46
47
54
55
49
50
51
52
114
115
116
117
118
103
104
105
106
119
65
67
66
71
59
60
62
63
61
78
70
72
69
68
140
123
102
81
48
32
14
21
28
45
53.56
64.88
95.108
132
7.134
58
129
131
135
133
130
136
137
138
139
+5V
C145
0.1
C146
1
DG
+5V
141
142
143
144
(3-3A)
(3-3B)
SYSCLK
MIRQ
R150
10K
C116
1000P
DG
R108
33K
R109
33K
R111
33K
D7
D6
D5
D4
D3
D2
D1
D0
RA3
270 x 4
RA2
270 x 4
(2-5B)
(3-4B)
M
L
N
41
DG
DG
DG
DG
DG
DG
DG
DG
C127
1000P
C152 1000P
C175 1000P
C149 1000P
C147 1000P
C126 1000P
C114 1000P
C130 1000P
1
2
3
4
5
6
8
9
11
12
13
15
16
17
18
19
20
22
23
24
25
26
27
128
127
120
122
57
121
126
124
125
113
112
111
109
110
10
A
B
C
D
E
F
G
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
RA6
270 x 4
RA14
270 x 4
I
J
K
H
(2-5B)
(3-4B)
(2-4E)(3-3B)
(2-4B)
(2-4E)
(3-3B)
R106 100
R107 100
VBT
C169
1
R149
1M
C172
0.1
DG
BATRST
DG
+5V
VCC
GND
OUT
C168
1
MCS
CE1
ROMCS
WR
RD
(1-1F)
RESET
IC9
XC61
(1-1I)
RESET
DG
DG
C170
2200P
R151
10M
C173
22P
C174
22P
X2
32.768kHz
(5-2D)
+VREF
(5-2D)
–VREF
(5-6D)
VIN
(5-1I)
THADI
(6-4I)
BZOUT
(5-5F)
TPA
(5-5F)
TPB
(5-5F)
TPA
(5-5F)
TPB
DG
DG
DG
DG
DG
DG
DG
C113 1000P
C111 1000P
C107 1000P
C106 1000P
RA5
270 x 4
(5-5F)
VTHON
(5-5F)
LEDON
(3-2C)
MDMRST
(6-6C)(6-2A)
RCVOL
DG
C112
0.1
+5V
CNPN-16
CNPN-15
CNPN-14
CNPN-13
CNPN-4
CNPN-5
CNPN-6
CNPN-7
CNPN-8
CNPN-3
CNPN-9
CNPN-10
CNPN-11
KEN1A
KEN2A
KEN3A
KEN4A
E
SEN0
SEN1
SEN2
SEN3
SEN4
SEN5
SEN6
SEN7
L107
HM601
R152
120
RA9
470 x 4
RA15
470 x 4
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
RD
WR
ROMCS
CS1
CS0
MCS
SYNC
REGDMA
WAIT
RAS
CAS0
CAS1
DWR
WRPROT
VBAT
CNTH-13
LATCH
CNTH-15
DATA
CNTH-14
PCLK
CNTH-3
STRB1
CNTH-4
STRB2
CNTH-11
STRB3
CNTH-12
STRB4
RA12
470 x 4
RA13
270 x 4
DG
C154 22P
DG
C155 22P
DG
C133 22P
DG
C134 22P
DG
C177 22P
DG
C176 22P
DG
C178 22P
CNCIS-4
CNCIS-5
CISCLK
D[7-0]
A[16-0]
R120 150
R122 470
L102
HM601
(4-2D)
PSNS
(4-5D)
ORGSNSI
(4-5D)
FRSNSI
(4-3D)
PESNS
CNLIUB-4
DPMUTE
C213
100P
R121
470
RA4
470 x 4
R126
R125
R124
R123
CNLIUB-5
E-RLY
CNLIUB-3
DPON
CNPW-8
PSAVE
CNLIUB-1
RLYCNT
(4-6D)
CSWI
C214
C202
C189
C212
100P x 4
RA11
470 x 4
R103
470
R136
33K
CI
(1-6B)
HS
(6-4I)
SPMUTE
(1-6B)
CML
(5-2A)
VREFCONT
(4-4D)
CUTI
CML
GPIO20
GPIO19
GPIO18
GPIO17
GPIO16
GPIO15
GPIO14
GPIO13
GPIO12
GPIO11
GPIO10
GPIO9
GPIO8
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
GPIO0
VIDCTL0
VIDCTL1
CLK1
CLK1
CLK2
START
STRB3
STRB2
STRB1
STRB0
PCLK
PDAT
PLAT
STRBPOL
D0
D1
D2
D3
D4
D5
D6
D7
TSTCLK
SYSCLK
MIRQ
RESET
DEBUG
TEST
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
ADXG
ADGA
ADGD
ADVA
BATRST
PWRDWN
XOUT
XIN
+VREF
–VREF / CLREF
VIN
THADI
TONE
SM0
SM1
SM2
SM3
GPO0
GPO1
GPO2
GPO3
VDRAM
OPI0
OPI1
OPI2
OPI3
LEDCTL
LCDCS
OPO0
OPO1
OPO2
OPO3
OPO4
OPO5
OPO6
38 : OPO7
2
1
3
DG
R168
10K
RA1
470 x 4
R137
10K
RA10
470 x 4
R102(*1)
R145
470
R105(*1)
R133 33K
R135 33K
R134 33K
(2-4B)(3-3B)
DG
DG
IC2
FC200
FAX ENGINE
CNLIUA-9
CML
(1-5A)(6-3E)
C171
1
RA16
470 x 4
N.M.
CA1
CA2
DG
DG
PHIT
C161
C162
N.M.
(1-6B)
HS
CNLIUA-5
HS
(1-5A)
CI
CNLIUA-4
CI
(1-5A)
R102
R105
N.M.
N.M.
470
33K
MODEL
FO-50
FO-70
(*1)
C128
1
C153
1
C150
1
C151
1
C148
1
C125
1
C115
1
C117
1
R110 270
RA7
270 x 4
RA8
270 x 4
DG
DG
C118
68P
C119
68P
C196
100P
C209
100P
C190
100P
33K x 4
Summary of Contents for FO-50
Page 12: ...1 10 FO 50RA FO 70RA M E M O ...
Page 45: ...FO 50RA FO 70RA 3 14 M E M O ...
Page 67: ...FO 50RA FO 70RA Control PWB parts layout Top side 6 7 ...
Page 68: ...FO 50RA FO 70RA Control PWB parts layout Bottom side 6 8 ...
Page 71: ...FO 50RA FO 70RA TEL LIU PWB parts layout Top side 6 11 ...
Page 72: ...FO 50RA FO 70RA 6 12 TEL LIU PWB parts layout Bottom side ...