3 — Disassembly and Assembly
3–7
CX20/CX30/CX34 Service Manual
Figure 3.2
External Connector Plate – View from above
WHITE
RED
BLUE
BROWN
Ferrite ring
External connector
plate
Fuse holder
Mains connector/filter
REAR OF UNIT
Mains On/Off switch
ISC connector
Host/Master
connector
Cash drawer
connector
BLACK
BROWN
Earth connections
EARTH BRAID (TO CHASSIS
PRIMARY EARTH)
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)
Summary of Contents for CX20 SERIES
Page 258: ...PL 1 CX20 CX30 CX34 Service Manual Section PL Parts List ...
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Page 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
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Page 323: ...Contents B 2 Addendum B ...
Page 343: ...Addendum B Phase 1 5 1 5 3 and New Main PCB B 22 Addendum B ...
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Page 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
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