Casio QT-2000 Service Manual page 43

4) Cable connection diagram (PC and MasterECR)
Signal Pin
SD 1
RD 3
FG FG plate
(PC side)
5)Cable connection diagram (Master ECR and Satellite ECR)
In-line cable
Wrap bent shield wire
with Copper tape
[Connection between PC and Master ECR]
In-line cable
Wrap bent shield wire
with Copper tape
Shield wire
Termination 'R in series are connected at pins
1 and 4 of two connectors at both the ends of
the in-line cable.
Fold the shield and fasten by
wrapping copper tape.
Red
Black
Shield wire
Terminator (100 ohms)
Red
Black
— 41 —
Signal
SD
RD
FG
3
Red
In-line connector
Black
Red
In-line connector
Black
Pin
1
2
Disconnect
(ECR side)