AIRMATE-USB manual page: 19
12.
OPTIONS/MODIFICATIONS
Modification AIRMATE-USB (stereo AUX) from 220V to 110V
BE CAREFUL!
THE AIRMATE-USB POWER PCB IS
CONNECTED TO
HIGH VOLTAGE!
REMOVE POWER CABLE BEFORE
SERVICING!
Modifications can only be done by classified persons!
The following picture displays the 220V wiring. Green and White are connected to each other and Red and
Yellow are connected to connector J1.
To modify the power-supply there are two necessary steps to follow.
1) The power-cabling to the transformer needs to be rerouted.
2) The fuse needs to be replaced.
Step 1: Rerouting the power-cabling.
Twist the Green and the Red wire together.
Twist the White and the Yellow together.
Then connect both wires to the connector J1.
The red indicator (arrow) specifies the point ( 2 holes) where the wires need to be mounted to the Print
Circuit Board with a tie-wrap.