Hitachi PXR, Руководство по обслуживанию

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3-3
3.2
Controller part
- With regard to the electric parts/control board of the controller part, the functional
outline, the setting of the switch, the list of the check point and the note at the
replacement are described.
3.2.1 EZJ104 board (controller board)
[Function]
- Preparation/management of print data is performed.
- Program, user data and environment setup data are stored
- Calendar management is performed.
- Control of the display part is performed.
- Control of the touch panel is performed.
- Control of the memory card is performed.
- Communication I/F (RS 422) with the engine part is performed.
[Check points]
- Check points (check pins are not mounted)
Reference
number
Name Content
F1 Vcc +5V
F2 Vcc12 +12V
PS2 Vcc33 +3.3V
REG1
(
○
3 pin)
Vcc18 +1.8V
- GND Each fixing screw
[Notes in case of the EZJ104 board replacement]
[ Replacement procedure of EZJ104 board ]
(1) Save the data on the back up memory card by using the copy data function.
(From the IJP to the memory card)
*) In the case where the EZJ104 board is replaced in a state allowing
NO
back up,
follow the “ Replacement procedure of EZJ104 board in a state allowing
NO
back up” in the page 3-5.
(2) Turn off the power.
(3) Replace the EZJ104 board.(Do not replace the EZJ93 board simultaneously.)
(4) Before turning on the power, insert the system data memory card into the slot of
EZJ104 board.
(5) Turn on the power. (With the system data memory card inserted)
As for the copy data
function, see “2.9
Backup”.
- When replacing the EZJ104 board, the memory card where the IJP system
data is stored is necessary. (Hereinafter referred to as “system data memory
card”)
- Be sure to use the system memory card stored the latest version software.
- When replacing the EZJ104 board, be sure to perform the initialization of the
board according to the following procedure.
- Before replacing boards, be sure to turn off the power.
- After replacing boards, be sure to joint connectors to right places.
-
Save the data to back up memory card by using the following procedure before
replacing the EZJ104 board, and recover the data after the replacement.
*) Use different memory card for system data memory card and back up memory card.
- Do not replace the EZJ104 board and the EZJ93 board simultaneously.
Caution
Setting of the switch is
not performed.