UP-600, UP-700 (serv.man25). UP600-700 Service Manual - Sharp ECR Service Manual (repair manual). Page 15

The application software of the UP-600/700 written in the flash ROM.
In the following cases, writing procedure of the application software
into the flash ROM is required

•

When the flash ROM is replaced with new one. The service part
flash ROM does not include the application software in it.

•

When IPL writing is required because of change in the software.

The service part ofthe main PWB unit includes the flash ROM with
the application software written in it, and there is no need for
writing the application software when replacing the main PWB unit.

There are two ways of IPL procedures.

•

IPL from P-ROM

•

IPL from PC communication (Please refer the next section)

The detailed descriptions on the above procedures are given below.

Master ROM-1 : VHI27801RAP1A
Master ROM-2 : VHI27801RAQ1A

Before working on the installation, turn off the power switch on the
UP-600/700 and unplug the AC code from the AC outlet.

1. Insert a screwdriver into the slit on the right side of the lower

cabinet to remove the option RAM case.

2. IPL switch (SW301) on the IPL ROM PWB: Set the IPL switch

(SW301)  to ON position.

3. Install to the IC sockets on the IPL ROM PWB.

4. Turn on the power switch of the UP-600/700.

5. The following display is shown and the IPL procedure is started.

When the procedure is completed, the message of "Completed" is
shown.

6. Turn off the power switch of UP-600/700.

7. Remove to the IC sockets on the IPL ROM PWB.

8. IPL switch (SW301) on the IPL ROM PWB: Set the IPL switch

(SW301) to OFF position.

9. Perform the master reset.

ROM1

ROM2

ROM1

ROM2

on

off

SW301

IPL from PROM

Version check…

Erase …

IPL write start

26  27  28  29  2A  2B

2C  2D  2E  2F  30  31

38  39  3A  3B  3C  3D

3E  3F

Verify …

IPL write completed

32  33  34  35  36  37

Completed.