Sony DPP-MS300 Marketing, Руководство по обслуживанию

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5-66
Pin No. Pin Name I/O Description
62, 63 GND —
Ground terminal
64 to 71 DT7 to DT0 I/O
Two-way data bus with the A/D, D/A converter (IC407), system controller (IC503), ROM
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot (lower 8 bit)
Data input from the centronics parallel port
72 GND — Ground terminal
73 VCC — Power supply terminal (+5V)
74 RIBBON-LED O LED drive signal output of the ribbon error indicator (D1735) “L”: LED on
75 INP-LED O LED drive signal output of the INPUT indicator (D1733) “L”: LED on
76 MEM-LED O LED drive signal output of the MEMORY indicator (D1734) “L”: LED on
77 PRN-LED O LED drive signal output of the printing status indicator (D1737 to D1739) “H”: LED on
78 CARD-LED O LED drive signal output of the card indicator “L”: LED on Not used (open)
79 PAPER-LED O LED drive signal output of the paper replacement indicator (D1736) “L”: LED on
80 POWER-LED O LED drive signal output of the power indicator “L”: LED on Not used (open)
81 STPLOW O Low/high speed control signal output for the platen motor (M904)
82 DATE (PWSW) I DATE switch (S1720) input terminal “L”: on, “H”: off
83 FAN O Head fan motor (M901) drive signal output terminal “H”: motor on
84 FMTRCW O Motor drive signal (CW) output for the auto feeder unit “H” active
85 FMTRCCW O Motor drive signal (CCW) output for the auto feeder unit “H” active
86 HMTRCW O Head up/down motor (M902) drive signal (CW) output terminal “H” active
87 HMTRCCW O Head up/down motor (M902) drive signal (CCW) output terminal “H” active
88 VCC — Power supply terminal (+5V)
89 RMTRCW O Ribbon motor (M903) drive signal (CW) output terminal “H” active
90 RMTRCCW O Ribbon motor (M903) drive signal (CCW) output terminal “H” active
91 NIBCOM O Busy control signal output to the centronics parallel port
92 PRESET PRINT I PRESET SELECT switch (S1702) input terminal “L”: on, “H”: off
93 NTSC/PAL I
Setting terminal for the video system (NTSC/PAL) “L”: PAL mode, “H”: NTSC mode
Fixed at “H” in this set
94 TMG O Timing pulse output terminal Connected to TMG (pin
#£
)
95 PSTX O Print start signal output terminal Connected to PSTX (pin
#¢
)
96 RCODE2 I Ribbon code (2) detect sensor (PH904) input terminal
97 RCODE1 I Ribbon code (1) detect sensor (PH905) input terminal
98 RCODE0 I Ribbon code (0) detect sensor (PH906) input terminal
99 FKEY2 I Sheets bit (2) input from the auto feeder unit
100 FKEY1 I Sheets bit (1) input from the auto feeder unit