OM POWER OM2000A+ Manual page 34

NOTE: The correctness of the Primary AC voltage influences the tube heater voltage, which must be in
the range of 8.5 – 9.3V. If it is lower or higher, change the transformer Tap voltage to better match your
Mains Voltage.
Side view on the opened OM2000A+
HV Transformer
Remove the upper lid first. On the right side of the PA, next to the HV transformer there are two PCBs
mounted. On the left upper side of the front (Switch-ON) board where connector J6 is located.
AC Selector
Use flat screwdriver or finger and press down
carefully on the white tab to release contact
and move the upper end of the white jumper to
the proper position.
Type of supported TCVR and working
The jumper must be connected between
bottom contact and one of remaining contacts.
frequency are visible on the display.
AC voltage is marked next to every contact.
AUTO LED is ON.
34