258
6.2.11.
Control Panel
The Control Panel consists of the Display PCB and Panel Unit, which display various status information. It is normally interfaced to
the main CPU. Keyed input signals are received by the Panel CPU and the data is transferred to the main CPU on the FCB PC
Board.
The Control Panel performs the following processes simultaneously:
• Key inputting
• LED, LCD display
• Data transmission / reception
Interface to main CPU
The interfacing between the main CPU and the panel CPU are all executed with commands and responses in the following two
formats:
• Command / response (1 byte) + number of data + check sum
• Command / response (1 byte) + number of data + data 1 + data 2 ........................ + data n + check sum.
PNLCK
PNLRD
PNLSD
PNLRST
nPSAVE
nWAKUP
BATVOL
BZCLK
+5V
+5VP
+24V
GND
GND
PNL CPU (IC1)
LCD Unit
LED, KEY scanning
LED, KEY scanning
2
8
10
8
SCN (9:0)
KIN (7:0)
LED
Key matrix
(71 keys)
Control Panel PC Board
13
LED (7:0)
LEDCT (1:0)
From
/to
FCB
PCB
20 characters, 2 lines,
5x7 dots control
(Not
use)
Summary of Contents for Panafax DX-2000
Page 2: ......
Page 27: ...27 9 1 Screw 19 10 Release two Latch Hooks 11 Remove the SNS Assembly 121 9 10 11 ...
Page 49: ...49 2 15 Screw Identification Template ...
Page 57: ...57 3 7 3 Option Cassette Circuit 555 748 728 744 928 953 730 731 731 952 944 930 931 931 ...
Page 58: ...58 3 7 4 LAN Control Circuit 522 CN50 1102 1104 1101 N C N C RD N C N C RD TD TD ...
Page 59: ...59 3 7 5 Page Description Language Printer Interface Kit ...