Toshiba DP120F, Руководство по обслуживанию

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DP120F/DP125F Circuit Description 7-74 March 2000 © TOSHIBA TEC
• I/OP-2 GA Signal Table (4/4)
No. Signal Name Type Functions
64-66 STA1-3 I Optional recording paper tray status 1-3 signals
Detects the status of the optional recording paper tray.
STA3
STA2 STA1 Status
LOW LOW LOW No recording paper tray
LOW LOW HIGH No recording paper
LOW HIGH LOW Paper size LT
LOW HIGH HIGH Response signal
HIGH LOW LOW Paper size A4
HIGH LOW HIGH Undefined
HIGH HIGH LOW Paper size LG
HIGH HIGH HIGH No optional recording
paper tray, reset state
67 PCLSET I GA-1020 detect signal (L: Installed)
Detects the connection status of the GA-1020 (PCL
PBA).
68 AU1SET I NIC detect signal (L: Installed)
Detects the connection status of GF-1010 (NIC/Re-
lay PBA) and GD-1040 (IFAX PBA).
69 MDSEL - +5V
70 RESETX I Reset signal (active-low)
Resets the system.
72 HLEAO - Unused
73 PWRSVNACK O Power save non-acknowledge signal
Indicates restoration from the power save mode to
the Sub-CPU (IC37).
74 LEDBLK O Power save LED blinking signal
Requests the Sub-CPU to blink the power save LED.
75 PWRSVACK O Power save acknowledge signal
Enables the Sub-CPU to transit to the power save
mode.
76 G/PSEL O GDI/PCL select signal (up edge trigger)
Switches from GDI to PCL.
77 PM22PLL O CODEC circuit start signal (active-low)
Starts the CODEC (IC51) circuit.
78 SHENA O LSU sample hold signal (H: Hold, L: Sample)
Samples or holds the LED output of the LSU.
79 HCTR6 - Unused
80 G1HZ - Unused
I: Input O: Output I/O: Bidirectional