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VM200
3. SOFTWARE UPDATE
3-1. Preparation
In order to update the VM200 software, the ROM CARD PCB (P/N:
8274219000) must be required. Mount the updated software (2 pcs.
EPROMs) into the EPROM sockets (U1 and U2) on the PCB. When
updating the software, make sure that the switch SW1 on the ROM CARD
PCB is set to "EPROM" side.
3-2. Procedures
1)
Loosen 4 x screws (BBT3 x 8 BZn) and remove 2 pcs.
8221142000) on the VM200 bottom panel.
2)
Plug the ROM CARD PCB into the J18 connector on the MAIN PCB
Assy. When plugging the ROM CARD PCB, check if the EPROMs are
facing the bottom side.
3)
Turn on the power of VM200. On condition that the ROM CARD PCB
is correctly plugged in, the LCD display indicates the following.
Turn the data wheel and select the menu "004
4)
Press the ENTER key. The VM200 starts transferring the program data
from the EPROM into the flash ROM on the MAIN PCB. The following
is the LCD display while updating the software inside the flash ROM.
After transferring the software is completed, the following is displayed
on the LCD display.
5)
Press the ENTER key. The following is displayed on the LCD display.
8
ROM Cover (P/N:
Program_Flash_ROM".
8251984 001
U1
U2
J1
1
2
ROM CARD PCB TOP VIEW
ROM COVER
VM200 BOTTOM PANEL
EPROM/FLASH
ROM CARD
PCB
Connector J18
(50-pin)
MAIN PCB
VM200 BOTTOM PANEL
FLASH
SW1
EPROM
TP2
NMI
TP1
/RST
TP3
DGND
49
50
SW
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