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OTHER CONTROLS CF5001 Ver.1.0 Sep. 2003
2-72
II UNIT EXPLANATION
15.4 Operation board control
15.4.1 Operation board composition
Symbol Name Function or method
[1] Touch panel board Touch switch board used to directly select items shown on the
LCD board (LCDB)
LCDB LCD board Information of all sorts is displayed on this
OB INVB OB inverter board Inverter that drives the LCD board (LCDB)
OB1 Operation board /1 Control of the touch panel board, LCD board (LCDB), OB
inverter board (OB INVB), operation board /3 (OB3), and the
control of the LED within the operation board /1 (OB2) and
the numeric pad
OB2 Operation board /2 LED-loaded board to grasp the on/off condition of the reset
switch (SW1)
OB3 Operation board /3 Volume loaded board to adjust the brightness of the LCD
board (LCDB)
SW2 Main switch Power switch of the operation board
It does not function when the reset switch (SW1) is off
OACB
OB1
TOUCH PANEL
BOARD
LCDB
OB INVB
OB3
OB2
SW2
8050ma2041