42
■
ROM Type and Installation Position
Name
Program ROM
Extended Pattern ROM
OP Box Name
Sewing Machine Digital Board Name
27C010
AT28C010
Pin No.
32 pins
8pins/32 pins
4.10.2) Checkpoints for ROM Installation and Installation Position
27C010
24LC1025
Be mindful if ROM is not installed or damaged or wrongly installed, the supply device might not
operate.
Danger
1) To install or replace ROM, power must be turned off. Check if the operating unit screen is
completely off before conducting installation or replacement.
2) If direction marking is wrongly installed, ROM might be damaged.
3) The pins and sockets should be accurately matched.
4) To remove the existing ROM, use an IC remover or a small (-) screwdriver. Take caution not to
cause damage to the board and carefully remove the ROM.
5) After ROM replacement, please conduct the initialization and formatting for the OP box.
Caution
4.10) ROM Installation and Replacement
4.10.1) ROM Type and Distinction
①
Program ROM: A ROM saved with the programs necessary for sewing machine and OB Box operation. When a
sewing machine is shipped out of factory, the ROM is basically mounted. To add or change functions, replace the
existing ROM with new version ROM.
■
Sticker :
•
A sticker is not attached to the extended pattern room.
Extended ROM
Sticker
②
Extended Pattern ROM (AT28C010): A ROM saved with sewing pattern data customized for user demand
■
Sticker: Marked as below in 8 digits.
•
OP Box
i.e.)OP070223
…
•
Sewing Machine Control Box
i.e.)BL070223
…
PROGRAM-ROM
Sticker