Timer & Clerk Switch Diagnostics; Timer Check; Touch Panel Diagnostics; Touch Panel Check - Sharp UP-3300 Service Manual

The SSP check sets data for checking in the vacant space of the
SSP entry register, and deletes the data that is checked after
completion of checking. Therefore, the already set data is not
changed by this check.
Display
SSP Check
SSP (NMI) Check
!
Terminating procedure
After displaying the check result, press the Touch panel to termi-
nate the check.
3-4. Timer Diagnostics
The operation of the clock crystal of CKDC, and the keyboard are
tested.
When the CANCEL key is pressed, the display returns to the diagnos-
tics menu.

1) Timer Check

Check
The operation of the CKDC9 clock crystal is checked.
The indication "YY/MM/DD & MM:HH:SS" is continuously up-
dated. Check the time updated and indicated.
Timer Diagnostics
DATE & TIMER = YY/MM/DD & HH:MM:SS

3-5 Touch Panel Diagnostics

1) Touch Panel Check

Check
The input test of the touch panel is as follows: a rectangle of
dotted lines is displayed at the corner of the LCD screen in the
order of upper right, upper left, lower left, and lower right. Check
whether a catch sound is heard and the square turns black when
each position is touched.
Touch Panel Diagnostics
Touch Cursor!!
End
The test is over when the four corners have been touched. To
exit, please press the touch panel.
: PASS!!(ERROR!!)
Cancel

3-6. RS232 I/F Diagnostics

The main PWB and the option PWB (RS232 interface of ER-A7RS)
are checked. Attach the 9-pin D-Sub loop back connector (UKOG-
6717RCZZ) of wiring in Fig. 3-11.
CD
RD
SD
ER
GND
DR
RS
CS
CI
Fig. 3-11. Wiring diagram of loop back connector (UKOG-6717RCZZ)
The following menu is displayed. Press the touch key for the opera-
tion you want to execute to execute individual Diag programs.
Pressing the CANCEL key returns the screen to the Diag MAIN menu.
* *
IMPORTANT
When setting channels of RS232, do not set two or more ports to
one channel. In the UP-3300, max. two units of ER-A7RS can be
installed. In each PWB, do not set two or more ports to the same
channel. If two or more ports should be set to the same channel,
the hardware can be destroyed.
RS232 I/F Diagnostics

CHANNEL Check

CH1 Check
CH2 Check
CH3 Check
CH4 Check
CH5 Check
CH6 Check
1) CHANNEL Check
Check content
The CHANNEL setting of the connected RS232 is displayed. The
display content and the setting of DIP SW for CHANNEL setting
on the RS232 I/F PWB are compared.
Since the RS232 and printer port on the main PWB of the
UP-3300 is fixed to CH1, CH2 and CH7, that in the ER-A7RS
must be set to CH3 ∼ CH6.
RS232 I/F Diagnostics
CHANNEL Check
CH1 = exist!
CH2 = exist!
CH3 = none!
CH4 = none!
CH5 = none!
CH6 = none!
CH7 = exist!
(Reference) ER-A7RS CHANNEL setting (In the table below, "1" =
SW OFF, "0" = SW ON.)
6 – 4
1pin
2pin
3pin
4pin
5pin
6pin
7pin
8pin
9pin
Cancel
← Display when channel present
← Display when no channel