Sharp AL-1611, Руководство по обслуживанию

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AL-1611/AL-1622 ELECTRICAL SECTION
13 – 6
(2) pin/signal table
PIN No. Signal Name IN/OUT Description
1 /SCANSP IN Scanner process interrupt
signal
2 /PRSTART IN Print start trigger signal
3 TMON IN Toner motor ON/OFF
4 TMCLK IN Toner motor reference clock
5 3.3V Power
6 CPUAD7 IN CPU address bus
7 CPUAD6 IN
8 GND Power
9 CPUAD5 IN CPU address bus
10 CPUAD4 IN
11 CPUAD3 IN
12 CPUAD2 IN
13 CPUAD1 IN
14 /CPUSYNC OUT Horizontal synchronization
signal
15 /INTR OUT Interruption request signal
16 /CPUCS IN CPU chip select signal
17 /RESET IN Reset signal
18 5V Power
19 GND Power
20 3.3V Power
21 GND Power
22 MDATA15 IN/OUT D ata b us o f D RA M (p a ge
memory)
23 MDATA14 IN/OUT
24 MDATA13 IN/OUT
25 MDATA12 IN/OUT
26 MDATA11 IN/OUT
27 MDATA10 IN/OUT
28 MDATA9 IN/OUT
29 MDATA8 IN/OUT
30 MDATA7 IN/OUT
31 3.3V Power
32 MDATA6 IN/OUT D ata b us o f D RA M (p a ge
memory)
33 MDATA5 IN/OUT
34 GND Power
35 MDATA4 IN/OUT D ata b us o f D RA M (p a ge
memory)
36 MDATA3 IN/OUT
37 MDATA2 IN/OUT
38 MDATA1 IN/OUT
39 MDATA0 IN/OUT
40 /RAS0 OUT RAS signal 0 of DRAM (page
memory)
41 /RAS1 OUT RAS signal 1 of DRAM (page
memory)
42 /RAS2 OUT RAS signal 2 of DRAM (page
memory)
43 /RAS64 OUT (Not used)
44 3.3V Power
45 /RAS16 OUT (Not used)
46 MAD0 OUT Address bus of DRAM (page
memory)
47 GND Power
48 MAD1 OUT Address bus of DRAM (page
memory)
49 MAD2 OUT
50 MAD3 OUT
51 MAD4 OUT
52 MAD5 OUT
53 MAD6 OUT
54 MAD7 OUT
55 MAD8 OUT
56 MAD9 OUT
57 3.3V Power
58 MAD10 OUT Address bus of DRAM (page
memory)
59 MAD11 OUT
60 GND Power
61 /CAS0 OUT CAS signal of DRAM (page
memory)
62 /CAS1 OUT
63 /OE OUT Read enable signal of DRAM
(page memory)
64 /WE OUT Write enable signal of DRAM
(page memory)
65 OUTD0 OUT (Not used)
66 OUTD1 OUT
67 OUTD2 OUT
68 OUTD3 OUT
69 3.3V Power
70 OUTD4 OUT (Not used)
71 OUTD5 OUT
72 GND Power
73 OUTD6 OUT (Not used)
74 OUTD7 OUT
75 OUTD8 OUT
76 OUTD9 OUT
77 OUTD11 OUT
78 OUTD10 OUT
79 OUTD12 OUT
80 OUTD13 OUT
81 OUTD14 OUT
82 OUTD15 OUT
83 /HSYNC OUT
84 /PCLPRD IN
85 /PCLREQ OUT
86 /PCLACK IN
87 /PCLCS IN
88 3.3V Power
89 GND Power
90 5V Power
91 GND Power
92 /FAXPRD IN (Not used)
PIN No. Signal Name IN/OUT Description