Inside The Top Enclosure - Kurzweil sp5-8 Service Manual

Inside the Top Enclosure

4. Removing the Left Front Panel PCB requires removing the LCD. Follow the procedure
on page 4-10 and remove the LCD.
5. Following Steps 6–9, disconnect the cables listed in Table 4-2.
Ref.
J1
J2
J7
J20
J25
Table 4-4 Left Front Panel PCB cables
Note: If a flat ribbon cable has a connector with tabs to secure it, squeeze the tabs
inward and disconnect the cable. If a flat ribbon cable uses a locking cable clip, remove
the clip and set it safely aside.
6. Disconnect the flat ribbon cable from J25.
7. Disconnect the stranded wire cables in the following order:
J2, J1, and J20.
8. Disconnect the shielded wire cable from J7.
cable wrap
LCD Control
Panel
Bridge
opening
Figure 4-8 Left Front Panel PCB connector and hardware locations
9. Remove the three screws that secure the enclosure support wall and set the wall aside.
10. Remove the eight remaining screws that secure the Left Front Panel PCB to the top
enclosure. Two of these screws also secure cable wraps. Keep the cable wraps with the
screws.
11. Remove the Left Front Panel PCB. The LEDs, switch buttons, sliders, and other
components are now accessible.
Name
Key Pressure (White)
Key Pressure (Black)
Audio from Engine
Wheels
Control Panel Bridge
cable wrap
J1 Pressure White
J25
J20
J2 Pressure Black
Wheels
Removing the Left Front Panel PCB
Cable Type
stranded wire Keyboard Assembly
stranded wire Keyboard Assembly
shielded wire Engine PCB
stranded wire Wheels Assembly
flat ribbon Right Front Panel PCB
enclosure support wall
Top Enclosure
Destination
J7 Audio from Engine
4-11