Chapter 6. Ipl From Ep-Rom - Sharp XE-A40S Service Manual

CHAPTER 6.
XE-A40S
IPL FROM EP-ROM
Before working on the installation, unplug the AC cord from the AC
outlet.
1) Open the top cabinet.
2) Set the IPL Short PIN (SP1) to VCC position.
VCC
3) Install the IPL ROM to the IC socket of the MAIN PWB.
IPL ROM
4) Turn the mode key switch to PGM position, and insert AC plug in
AC outlet.
5) The IPL procedure is started.
When the procedure is completed, the message of "Completed." is
shown.
P ROM COPY
Completed.
6) Unplug the AC cord from the AC outlet.
7) Remove the IPL ROM to the IC socket of the MAIN PWB.
IPL Short PIN
GND
1pin
8) Set the IPL Short PIN (SP1) to GND position. Service Manual
9) Replace the top cabinet.
10)Perform a master reset.
At the PGM mode, while holding down Journal feed key and CL
key, insert AC cord in AC outlet.
***MRS.***
6 – 1
XE-A40S
IPL Short PIN
GND
VCC