Read Sharp UP-3301 (serv.man9) Service Manual online
UP-3301VS
SERVICE PRECAUTION
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4. Touch panel/VGA coordinates
• Touch panel configuration (unit: mm)
• Touch panel coordinates
Initial coordinates (xi, yi)
0
Touch panel coordinates (xt, yt) conversion
xt = (xi - 4096*x1/x)*(x / (x2-x1))
yt = (yi - 4096*y1/y)*(y / (y2-y1))
yt = (yi - 4096*y1/y)*(y / (y2-y1))
Touch panel coordinates (xt, yt)
0
VGA coordinates (xv, yv) conver-
sion
xv = xt * 640 / 4096
yv = yt * 480 / 4096
• Coordinates of correction points
Initial coordinates
Touch panel coordinates
VGA coordinates
2. IPL (Initial Program Loading) function
1) Introduction
The application software of the UP-3301 is written in the flash ROM.
In the following cases, the writing procedure of the application software
into the flash ROM is required
into the flash ROM is required
• When the flash ROM is replaced with a new one. The service part
flash ROM does not include the application software in it.
• When IPL writing is required because of a change in the software.
*
The service part of the main PWB unit includes the flash ROM with
the application software written in it. There is no need for writing the
application software when replacing the main PWB unit.
application software when replacing the main PWB unit.
2) IPL procedure
There are two ways of IPL procedures.
• IPL from EPROM via ER-A7RS2
• IPL from PC via the POSUTIL.EXE PC utility.
The detailed descriptions on the above procedures are given below.
3) IPL from P-ROM via ER-A7RS2
(1) Install the two master ROMs to the IC socket (IC12, IC13) on the
ER-A7RS2.
Master ROM -1 : VHI27801RXXXX
Master ROM -2 : VHI27801RXXXX
(2) IPL switch on the ER-A7RS2 : Set the IPL SW to ON position.
(3) Install the ER-A7RS2 in the UP-3301. (The UP-3301 power should
be turned OFF.)
(4) Turned on the power of the UP-3301.
(5) The IPL procedure is started.
After the buzzer sounds terminated, the IPL procedure finished.
(6) Turn OFF the power of the UP-3301.
(7) Remove the ER-A7RS2 from the UP-3301.
(8) Perform a Master reset.
393, 402
2080, 402
3767, 402
393, 2048
2080, 2048
3767, 2048
393, 3697
2080, 3697
3767, 3697
100, 100
2048, 100
3996, 100
100, 2048
2048, 2048
3996, 2048
100, 3996
2048, 3996
3996, 3996
16, 14
320, 14
624, 14
16, 240
320, 240
624, 240
16, 465
320, 465
624, 465
172.9(y2)
14.5(y1)
187.4(y)
18.2(x1)
229.4(x2)
243.8(x)
(640,480)
(4096,4096)
(4096,4096)
(0,0) Initial coordinates
(0,0) Touch panel coordinates (4096x4096)
(0,0) VGA coordinates
IPL SW
OFF
ON
EP ROM2
EP ROM1
MASTER
P-ROM -2
P-ROM -2
MASTER
P-ROM -1
P-ROM -1
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