12 — Displays (CX20)
12–5
CX20/CX30/CX34 Service Manual
12.3
Servicing
WARNING
HIGH VOLTAGES EXIST INSIDE THE UNIT. BEFORE
REMOVING THE COVER, ENSURE THAT MAINS POWER
IS DISCONNECTED COMPLETELY. EXCEPT WHERE
SPECIFIED IN THESE PROCEDURES, DO NOT APPLY
POWER TO THE UNIT WHEN THE COVER IS REMOVED.
Caution
Before adjusting the DIL switches on the display PCBs,
switch the machine OFF and leave for at least six
minutes. This prevents damage occurring to the display
drivers.
12.3.1
Removing an integral display PCB
To remove an integral display, proceed as follows:
1
Switch off machine and isolate it from the mains power supply.
2
Remove unit case (refer to Section 3).
3
Release display panel from the two display brackets attaching it to main
PCB.
4
Disconnect display loom from main PCB, PL20 for customer display
and PL19 for vendor display (CX20 W has vendor display only).
5
If necessary, release display brackets (two) from main PCB.
12.3.2
Fitting an integral display PCB
To fit an integral display, proceed as follows:
1
If removed, fit display brackets to main PCB (refer to Figure 12.2).
2
Connect loom and connect it to applicable jumper/PCB connector
(PL20 for customer display, PL19 for vendor display).
3
Position display in display brackets attached to main PCB, and snap–fit.
4
Fit unit case (refer to Section 3).
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: ......