Read Sharp AL-1000 / AL-1010 (serv.man14) Service Manual online
PIN No.
Signal name
IN/OUT
Connected to
Description
49
MAD2
OUT
DRAM
Address bus of DRAM (page memory)
50
MAD3
OUT
DRAM
Address bus of DRAM (page memory)
51
MAD4
OUT
DRAM
Address bus of DRAM (page memory)
52
MAD5
OUT
DRAM
Address bus of DRAM (page memory)
53
MAD6
OUT
DRAM
Address bus of DRAM (page memory)
54
MAD7
OUT
DRAM
Address bus of DRAM (page memory)
55
MAD8
OUT
DRAM
Address bus of DRAM (page memory)
56
MAD9
OUT
DRAM
Address bus of DRAM (page memory)
57
3.3V
Power
58
MAD10
OUT
DRAM
Address bus of DRAM (page memory)
59
MAD11
OUT
DRAM
Address bus of DRAM (page memory)
60
GND
Power
61
/CAS0
OUT
DRAM
CAS signal of DRAM (page memory)
62
/CAS1
OUT
DRAM
CAS signal of DRAM (page memory)
63
/OE
OUT
DRAM
Read enable signal of DRAM (page memory)
64
/WE
OUT
DRAM
Write enable signal of DRAM (page memory)
65
OUTD0
OUT
Additional board
(Not used)
66
OUTD1
OUT
Additional board
(Not used)
67
OUTD2
OUT
Additional board
(Not used)
68
OUTD3
OUT
Additional board
(Not used)
69
3.3V
Power
70
OUTD4
OUT
Additional board
(Not used)
71
OUTD5
OUT
Additional board
(Not used)
72
GND
Power
73
OUTD6
OUT
Additional board
(Not used)
74
OUTD7
OUT
Additional board
(Not used)
75
OUTD8
OUT
Additional board
(Not used)
76
OUTD9
OUT
Additional board
(Not used)
77
OUTD11
OUT
Additional board
(Not used)
78
OUTD10
OUT
Additional board
(Not used)
79
OUTD12
OUT
Additional board
(Not used)
80
OUTD13
OUT
Additional board
(Not used)
81
OUTD14
OUT
Additional board
(Not used)
82
OUTD15
OUT
Additional board
(Not used)
83
/HSYNC
OUT
FAX board
(Not used)
84
/PCLPRD
IN
PCL board
(Not used)
85
/PCLREQ
OUT
PCL board
(Not used)
86
/PCLACK
IN
PCL board
(Not used)
87
/PCLCS
IN
PCL board
(Not used)
88
3.3V
Power
89
GND
Power
90
5V
Power
91
GND
Power
92
/FAXPRD
IN
FAX board
(Not used)
93
/FAXREQ
OUT
FAX board
(Not used)
94
/FAXACK
IN
FAX board
(Not used)
95
3.3V
Power
96
/FAXCS
IN
FAX board
(Not used)
AL-1000/1010
12-8
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