3 — Disassembly and Assembly
3–11
CX20/CX30/CX34 Service Manual
Figure 3.3
External Connector Plate (CX20 W) – View from above
BLUE
BROWN
Ferrite ring
External connector
plate
Fuse holder
Mains connector/filter
REAR OF UNIT
Mains On/Off switch
ISC connector
Host/Master
connector
Transducer
interface connector
BROWN
Earth connections
EARTH BRAID (TO CHASSIS
PRIMARY EARTH)
BLUE (TO CONNECTOR: PLUGS
INTO SK1 ON POWER SUPPLY PCB)
GREEN (TO KEYBOARD LOOM CONNECTOR:
PLUGS INTO PL4 ON MAIN PCB)
GREEN WITH YELLOW STRIPE (TO EARTH
STUD ON KEYSWITCH/DCU PLATE)
EARTH BRAID (TO COVER, BEHIND
KEYBOARD)
BROWN (TO CONNECTOR: PLUGS
INTO SK1 ON POWER SUPPLY PCB)
BOTH GREEN (WHEN FITTED, THEY
ARE CONNECTED TO POWER INPUT
LOOM: PLUGS INTO PL8 ON MAIN PCB
– REFER TO SERVICE INFORMATION
CIRCULAR 358)
EARTH (TO CHASSIS
PRIMARY EARTH)
GREEN
RED
YELLOW
BLUE
TO RS232 INTERFACE
PCB (TERMINAL TB2)
EARTH BRAID (TO CHASSIS PRIMARY
EARTH)
EARTH LEAD (TO REAR DISPLAY
BLANKING PLATE)
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: ......