Removing The Connector Board - Kurzweil PC3x Service Manual

Removing the Connector Board

1. Follow the procedure described on page 3-8 to remove the enclosure support wall.
2. Following Steps 3–5, disconnect the cables listed in Table 3-2.
Ref.
J301
J303
J304
J305
J306
J307
J308
J324
J325
Table 3-2
3. Disconnect the stranded wire cables from J301, J303, and J325 on the Connector Board.
Note: The cables used throughout the PC3x are bundled and routed so that their locations and
destinations seem obvious. However, to avoid reversing the Bass and Treble cables when
reconnecting, mark one or both cables designating B for Bass and T for Treble.
4. Disconnect the flat ribbon cables from J304, J306, and J307.
AC Power
Figure 3-8
5. Disconnect the stranded wire cables from J305, J308, and J324.
Name
PC3 Power
MIDI/CPU
Front Panel
Slider
Treble
Bass
Wheels
AC power
Digital Audio Out
Connector Board cables
Connector Board
Dig.
J301
Audio Out MIDI & CPU
PC3 Power
J324 J325 J303
Cable locations
Cable Type
stranded wire
stranded wire
flat ribbon
stranded wire
flat ribbon
flat ribbon
stranded wire
stranded wire
stranded wire
Treble Bass
Slider Wheels
J306 J307
J305 J308
Disassembly/Assembly
Top Enclosure
Destination
Engine Board
Engine Board
Front Panel Board
Slider Board
Keyboard Assembly
Keyboard Assembly
Wheels Assembly
Transformer
Engine Board
Front Panel
Audio Out
J304
J302
3-9