Sharp DM-1500, Service Manual

Page: 95 / 188

PIN No. Signal name IN/OUT Connected to Description
47 GND Power
48 MAD1 OUT DRAM Address bus of DRAM (page memory)
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 Reserved
66 OUTD1 OUT Reserved
67 OUTD2 OUT Reserved
68 OUTD3 OUT Reserved
69 3.3V Power
70 OUTD4 OUT Reserved
71 OUTD5 OUT Reserved
72 GND Power
73 OUTD6 OUT Reserved
74 OUTD7 OUT Reserved
75 OUTD8 OUT Reserved
76 OUTD9 OUT Reserved
77 OUTD10 OUT Reserved
78 OUTD11 OUT Reserved
79 OUTD12 OUT Reserved
80 OUTD13 OUT Reserved
81 OUTD14 OUT Reserved
82 OUTD15 OUT Reserved
83 /HSYNC OUT PCL board Horizontal sync signal with print area output only
84 /PCLPRD IN PCL board Print video data (serial) from PCL board
85 /PCLREQ OUT PCL board DREQ signal to PCL board
86 /PCLACK IN PCL board ACK signal from PCL board
87 /PCLCS IN PCL board
88 3.3V Power
89 GND Power
90 5V Power
91 GND Power
92 /FAXPRD IN Reserved
93 /FAXREQ OUT Reserved
94 /FAXACK IN Reserved
95 3.3V Power
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