Read Sharp AR-150 (serv.man12) Service Manual online
117
HBE
118
ADS
119
DDIN
120
AD0
121
AD1
122
AD2
123
AD3
124
AD4
125
VCCD9
126
AD5
127
AD6
128
AD7
129
AD8
130
AD9
131
GNDD9
132
AD10
1
AD11
2
AD12
3
AD13
4
AD14
5
VCCD1
6
AD15
7
A16
8
A17
9
A18
10
A19
11
GNDD1
12
A20
13
A21
14
A22
15
A23
16
PDO
17
VCCD2
83
VCCA2
82
GNDA2
81
PTMP
80
SBG
79
SCVO
78
SVI
77
GNDA1
76
VCCA1
75
GNDD5
74
PMPH0
73
PMPH1
72
PMPH2
71
PMPH3
70
SMPH0
69
SMPH1
68
SMPH2
67
SMPH3
66
VCCD5
65
PEXT
64
PFAIL
63
SOSCO
62
SOSCI
61
RST
60
WDT
59
BUZCLK
58
DMRQ3
57
MWSI
56
URXD
55
UTEN
54
PIO0
53
PIO1
52
SNH
51
GNDD4
18
SD
F
D
B
K
19
SD
IN
20
SD
O
U
T
21
SL
S
22
SC
L
K
1
23
SP
D
W
24
MW
S
K
25
G
NDD2
26
DMA
K
3
27
SD
IS
28
DMA
K
1
29
SC
L
K
2
30
ST
B
3
31
ST
B
2
32
V
CCD3
33
CTTL
34
ST
B1
35
ST
B0
36
FO
S
C
I
37
FO
S
C
O
38
G
NDD3
39
CCL
K
40
IN
T
0
41
IN
T
1
42
IN
T
2
43
IN
T
3
44
IN
T
R
45
URE
N
46
UTX
D
47
MWS
O
48
S
BYPS
49
PC
L
K
50
V
CCD4
TL/EE/11331-54
116
G
NDD8
115
HO
LD
114
HL
CA
113
WE
0
112
WE
1
111
OE
110
SE
L1
109
VC
C
D
8
108
SEL0
107
SEL3
106
RA
S
0
105
RA
S
1
104
CA
S
103
CW
A
IT
102
G
NDD7
101
MA
1
100
MA
2
99
MA
3
98
MA
4
97
MA
5
96
V
CCD7
95
MA
6
94
MA
7
93
MA
8
92
MA
9
91
MA
10
90
G
NDD6
89
MA
11
88
MA
12
87
MA
13
86
MA
14
85
MA
15
84
V
CCD6
132-Pin FQFP Package
3. FAX PWB Functional block diagram (AR-F151 only)
4. LSI pin layout (AR-F151 only)
(1) NSFX200 (IC503) pin layout
Speaker
LCD PWB
PWB
Prog.ROM
CPU Bus
FX164
Image.
Memory
Memory
LC8213
Image. Bus
ASIC
Buf. Mem.
Main Memory
FX200
NCU
PSTN
PCL/FAX MCU
LZ9FH19
SCAN
DATA
Memory
DATA
Memory
PRINT DATA
AR-F151
11 – 13
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