Table Of Contents; General; System Configuration; Test System - Sharp UP-3300 Service Manual

CHAPTER 6. DIAGNOSTICS
SPECIFICATIONS
CONTENTS
1. General ..........................................................................................1
2. System configuration .....................................................................1
2-1. Test system.........................................................................1
3. Diagnostics ....................................................................................1
1) Master reset procedure..................................................1
2) Program reset (service reset) procedure .......................1
3-1. Execution of diagnostics .....................................................1
3-2. RAM Diagnostics.................................................................2
1) Standard RAM Check ...................................................2
2) UP-P02MB2 Check .......................................................2
3-3. ROM & SSP Diagnostics.....................................................3
1) Standard ROM Check....................................................3
2) SERVICE ROM Check ..................................................3
3) SSP Check ...................................................................3
3-4. Timer & Clerk Switch Diagnostics .......................................4
1) Timer Check .................................................................4
3-5. Touch Panel Diagnostics ....................................................4
1) Touch Panel Check .......................................................4
3-6. RS232 I/F Diagnostics ........................................................4
1) CHANNEL Check ..........................................................4
2) CH1 Check ....................................................................5
3) CH2 Check ....................................................................5
4) CH3 Check ....................................................................5
5) CH4 Check ....................................................................5
6) CH5 Check ....................................................................5
7) CH6 Check ....................................................................6
3-7. Liquid Crystal Display Diagnostics ......................................6
1) Liquid Crystal Display Check ........................................6
3-8. Rear Display Diagnostics ....................................................7
1) Rear Display Check ......................................................7
3-9. SHARP Retail Network Diagnostics....................................7
1) SRN Self Check.............................................................7
2) SRN Flag Send Check...................................................8
3) SRN Data Send Check ..................................................8
4) Data Transmission Check .............................................8
3-10. IrDA & ASK Diagnostics......................................................9
1) IrDA & ASK Check.......................................................10
2) IrDA & ASK Check (checker mode) .............................10
3) Data Transmission Check (Receive mode) .................10
4) Data Transmission Check (Send mode)......................10
3-11. Magnetic Card Reader Diagnostics ..................................10
1) Magnetic Card Reader Check ....................................10
3-12. Drawer Diagnostics ...........................................................10
1) Drawer 1 Check ...........................................................11
2) Drawer 2 Check ...........................................................11
3-13. Printer Diagnostics ............................................................11
1) Loop Back Check.........................................................11
2) Printer Print Check.......................................................11

1. General

This diagnostics program is used for simplified checking of the UP-
3300 series operations in servicing.
The diagnostics program is built in the standard ROM.

2. System configuration

2-1. Test system

UP-3300 only

3. Diagnostics

Starting the diagnostics
This diagnostics program is written in the external ROM and executed
by the CPU (H8/510). To operate this program, the following condi-
tions must be satisfied.
The power for the logic system is proper.
(+5V, VRAM, VCKDC, POFF, +24V)
The input/output pins and the internal logic of the CPU are normal.
In addition, CKDC9, MPCA8, the system bus, and the standard
ROM/RAM are normal.
Note: When booting the set for the first time after change the touch
panel and EE-PROM, carry out TOUCH KEY CALIBRATION
and MASTER RESETTING.
In order to add an option unit when the machine is normally operat-
ing, perform the program reset in the case of the ER-A7RS and a
master reset in case of the UP-P02MB2.

1) Master reset procedure

Turn off the power.
Set the CKDC reset switch to RESET position.
!
Turn on the power.
"
While touching the touch panel, place the CKDC RESET SWITCH
to normal position. (When both the touch panel and EE-ROM was
replaced.)
#
Carry out CALIBRATION. (When both the touch panel and EE-
ROM was replaced.)
$
Select MASTER RESET from the menu and execute.

2) Program reset (service reset) procedure

Turn off the power.
Set the CKDC reset switch to RESET position.
!
Turn on the power.
"
Set the CKDC reset switch to the normal position. (Do not press
the touch panel.)
#
Select PROGRAM RESET from the menu and execute.

3-1. Execution of diagnostics

To start the diagnostics, select "DIAGNOSTICS" in the menu selec-
tion in SRV mode.
The DIAG MAIN MENU is started and the following menu screen is
displayed. The selected individual diagnostics program is executed.
When the individual diagnostics program is completed, the display
returns to the menu screen. To terminate the diagnostics, press the
CANCEL key. Then the display returns to the SRV mode menu
screen.
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