Kurzweil CUP2, Service Manual

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Ref. Name Cable Type Destination
J1 ScanPort  at ribbon Engine Board
J3 Pedals stranded wire Pedal Assembly
J4 Keyboard Treble  at ribbon Keyboard Assembly
J5 Keyboard Bass  at ribbon Keyboard Assembly
J7 Control Panel  at ribbon Control Panel Board
J8 MIDI stranded wire Engine Board
J10 USB Control stranded wire Engine Board
J11 USB Data shielded wire Engine Board
J13 Engine Audio shielded wire Engine Board
J14 Slider In to Audio Board shielded wire Audio Board
J15 DC Power from Audio Board shielded wire Audio Board
J16 Phones from Audio Board stranded wire Audio Board
J17 Audio I/O from Audio Board shielded wire Audio Board
J23 Power Switch shielded wire Power Switch
J24 Transformer Primary stranded wire Transformer
J25 DC Power Out to Engine stranded wire Engine Board
Table 4-2 Interface Board cables
2. Remove the cable locking clips and disconnect the  at ribbon cables in the following order:
J5, J4, J1, and J7.
Set the cable locking clips safely aside so that they can be reinstalled when you reconnect
the cables.
3. Disconnect the stranded wire cables in the following order:
J24, J10, J16, J3, J8, and J25.
Caution: The position of the cable connected to J24 determines the appropriate line voltage.
J24 pins 1 through 4 for 115V or pins 4 through 7 for 230V.
4. Disconnect the shielded wire cables in the following order:
J23, J11, J17, J13, J14, J15.
Disassembly/Assembly
Cabinet Electronics
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