8 — Testing
8–3
CX20/CX30/CX34 Service Manual
8.1
Introduction
The unit performs a self–test at power–up. Further diagnostic testing is
available from built–in test software which is arranged in sections. Any one
section can be applied to test the health of a particular function, or all sections
can be applied to provide a general health check.
To exit from any of the following tests at any time, turn key in keyswitch
temporarily to SUPERVISOR position.
NOTE:
It is recommended that, to carry out any of the following tests, you
enter service mode via the DIL switch. See Section 5.2.2.
Figure 8.1
Menu of Test Diagnostics (Service Mode)
SCALE TEST
DATE/TIME ENTRY
Press ENTER.
Use
→
and
←
keys to move to next
option.
Press ENTER at required option to
carry out service procedure.
TEST DIAGNOSTICS
SYSTEM LOAD TEST
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 ...
Страница 284: ......
Страница 287: ......
Страница 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
Страница 318: ......
Страница 321: ......
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 ...
Страница 344: ......
Страница 347: ......
Страница 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
Страница 352: ......