Removing The Engine Board - Kurzweil PC3x Service Manual

Removing the Engine Board

The USB/xD Daughtercard is mounted on the Engine Board. The following procedure describes
removing the Engine Board with the USB/xD Daughtercard attached.
1. Following Steps 2–4, disconnect the cables listed in Table 3-5.
Ref.
J5
J15
J18
J21
J33
Table 3-5
2. Disconnect the shielded wire cable from J18.
3. Disconnect the stranded wire cables from J5, J21, and J33.
4. Disconnect the flat ribbon cable from J15.
5. Remove the two screws that secure the USB/xD Daughtercard to the rear panel.
6. Remove the three screws that secure the front panel edge of the Engine Board.
J12
USB/SM
Card
on Engine
Board
Figure 3-14
7. Remove the two screws that secure the PC board clamp and rear panel edge of the Engine
Board to the top enclosure.
8. Remove the Engine Board.
Name
MIDI & CPU
Graphic LCD
PC3 Audio Out
PC3 Power
Digital Audio Out
Engine Board cables
J15
USB/xD
Daughter Card J5
J18
Audio
J11 Bank 1
Out
J10
Bank 0
J1
Dig. Audio Out J33
J20
Battery
Engine Board
Engine Board, screw locations
Cable Type
stranded wire Connector Board
flat ribbon LCD Board
shielded wire Connector Board
stranded wire Connector Board
stranded wire Connector Board
Graphic LCD
J21
PC3 Power
MIDI & CPU
Expansion Sound ROM
Expansion Sound ROM
Disassembly/Assembly
Top Enclosure
Destination
3-17