Toa SX-2000 Series Installation - Manual (Page 62)

62
2.3.4. Changing the method of power supply for the control input signal applied to the Local Audio
Control Input Terminal (SX-2100AO only)
this power is factory-preset to be supplied from the inside of the SX-2100Ao. By changing the jumper setting
on the link circuit board inside the SX-2100Ao, the power can be cut off from the SX-2100Ao, allowing to be
supplied from an external power source.
Notes
• Turn off the power before starting this work.
• To avoid damage from static electricity, never touch the terminals themselves or any of the parts on the circuit
board.
Step 1. Detach the SX-2100Ao's top panel.
Note
Note the specific shapes of the different screws.
top panel: m3 x 6 flat head machine screw (2 pieces)
Side panel: m3 x 6 binding head machine screw (4 pieces)
Top panel
Link circuit board
SX-2100AO
this change should only be performed by a qualified professional
electrician. If users open the unit case or modify the unit, this may
cause fire or electric shock.
wARNINg