Disassembly/Assembly
Top Enclosure
3-9
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.
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
fl
at ribbon cables from J304, J306, and J307.
Figure 3-8
Cable locations
5. Disconnect the stranded wire cables from J305, J308, and J324.
Ref.
Name
Cable Type
Destination
J301
PC3 Power
stranded wire
Engine Board
J303
MIDI/CPU
stranded wire
Engine Board
J304
Front Panel
fl
at ribbon
Front Panel Board
J305
Slider
stranded wire
Slider Board
J306
Treble
fl
at ribbon
Keyboard Assembly
J307
Bass
fl
at ribbon
Keyboard Assembly
J308
Wheels
stranded wire
Wheels Assembly
J324
AC power
stranded wire
Transformer
J325
Digital Audio Out
stranded wire
Engine Board
Table 3-2
Connector Board cables
Connector Board
PC3 Power
J304
J301
J302
J303
J305
J306
MIDI & CPU
Dig.
Audio Out
Audio Out
Treble
J307
Slider
Wheels
Bass
Front Panel
J308
J325
J324
AC Power
Содержание PC3x
Страница 14: ...1 6 Introduction PC3x Front Panel...
Страница 24: ...2 10 Diagnostics Description of Tests...
Страница 50: ...3 26 Disassembly Assembly PC3x Keyboard Assembly...
Страница 72: ...4 22 Troubleshooting Maintenance Converting the Voltage...