8 — Testing
8–9
CX20/CX30/CX34 Service Manual
8.3.4
EEPROM test (menu option)
Caution
DO NOT switch machine off during this test.
Existing EEPROM data is copied in triplicate to RAM and then deleted from
EEPROM. The EEPROM is tested in data–empty condition and a value is
generated and printed. On completion of test, RAM–held data is written back to
the EEPROM and result of test printed. Test may be selected to run more than
once. Cycle time is not less than one minute.
The following example is for two tests.
What You Do
What You See
1
Select function.
EEPROM TEST
2
Press ENTER.
NO . OF TESTS
1
3
Type in the number of tests you
require.
NO . OF TESTS
2
4
Press ENTER. Number in the Price
To Pay display will start counting until
testing has finished. An ’EEPROM
TEST’ report starts printing when
”EEPROM PASS” is displayed.
TESTING . . . .
1
1
EEPROM PASS
EEPROM TEST
TESTING . . . .
2
1
5
If EEPROM test fails the following will
be displayed after ”TESTING . . . . ”
has finished:
EEPROM FAIL
Содержание CX20 SERIES
Страница 133: ...11 Main PCB 11 4 CX20 CX30 CX34 Service Manual Figure 11 1 Main PCB Electrical Connections See Tables 11 1 and 11 2 ...
Страница 137: ...11 Main PCB 11 8 CX20 CX30 CX34 Service Manual Figure 11 2 Main PCB DIL Switches and Potentiometers ...
Страница 246: ...25 Appendices 25 9 CX20 CX30 CX34 Service Manual 1 Voids printed on receipt 2 Voids not printed on receipt ...
Страница 258: ...PL 1 CX20 CX30 CX34 Service Manual Section PL Parts List ...
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Страница 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
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Страница 323: ...Contents B 2 Addendum B ...
Страница 343: ...Addendum B Phase 1 5 1 5 3 and New Main PCB B 22 Addendum B ...
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Страница 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
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