Keyboard Control Signals Cable Mounting - CHD Elektroservis SY2-KBD Installation Manual

SY2 SY2 SY2- - - - KBD SY2 KBD KBD KBD
b) Solder the black wire Nr. 2 "GND" to "E" labeled pad on the SM-1 instrument's board (fig. 2.6.4 and fig. 4-1).
A thick black wire of original bunched cables is already soldered here.
c) Solder the blue wire Nr. 1 "-15V" to "-15" labeled pad on the SM-1 instrument's power supply board (fig.
2.6.4 and fig. 4-1). Two yellow wires of the original bunched cables are already soldered here.
Figure 2.6.3 Figure 2.6.3
Figure 2.6.3 Figure 2.6.3
2.7 2.7 2.7 2.7

KEYBOARD CONTROL SIGNALS CABLE MOUNTING

KEYBOARD CONTROL SIGNALS CABLE MOUNTING KEYBOARD CONTROL SIGNALS CABLE MOUNTING KEYBOARD CONTROL SIGNALS CABLE MOUNTING
The keyboard control signals cable from the interface accessory is fitted with 4-pin flat connector (fig. 2.7.1).
Wires outgoing from this connector must be connected to the instrument's keyboard and between the
instrument's keyboard and SM-1 board (fig. 2.7.2).
To instrument's
keyboard
a) Unsolder the blue wire (hot wire of shielded blue cable) from soldering pad on the instrument's keyboard
(fig. 2.7.3 and fig. 4-2).
b) Place heat-shrink insulation tube
"OUT" of the keyboard control signals cable and solder the blue wire to blue wire freed from the soldering pad
(fig. 2.7.4 and fig. 4-2).
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Installation Manual Installation Manual
Installation Manual Installation Manual
Nr. 1 - green (IN)
Nr. 2 - yellow (OUT)
Nr. 3 - red (REF)
Nr. 4 - black (GND)
2 mm (length 25 mm, from the interface accessory) on blue wire Nr. 2
φ
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Figure 2.6.2 Figure 2.6.2
Figure 2.6.2 Figure 2.6.2
Figure 2.7.1 Figure 2.7.1
Figure 2.7.1 Figure 2.7.1
8 8 8 8
Yamaha SY- - - - 2 (SY Yamaha SY 2 (SY- - - - 1) MIDI Interface 1) MIDI Interface
Yamaha SY Yamaha SY 2 (SY 2 (SY 1) MIDI Interface 1) MIDI Interface
Model 8 Model 8- - - - 439 / v. 1.00 Model 8 Model 8
Figure 2.6.4 Figure 2.6.4
Figure 2.6.4 Figure 2.6.4
1
1
To X4 plug
2
2
on the interface
3
3
board
4
4
439 / v. 1.00 439 / v. 1.00 439 / v. 1.00