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Rewiring for 220-240V 50Hz Operation
The D/ AC-l 000 can be rewired for operation abroad. Please refer this conversion to a skilled
electronics technician to avoid personal injury or possible harm to the unit. There are high voltages
present inside the chassis even after the power is turned off.
The main power supply printed circuit board has three separate power transformers. Nearby the
transformers you will find jumper wires which correspond to the various primary windings of each
power transformer.
For 120V operation, a total of six jumper wires are connected to the circuit board: two jumpers are
connected near each transfonner, each jumper has "120V" printed alongside of it on the circuit
board. .
For 220-240V operation, only 3 jumpers are connected to the circuit board; one jumper is
connected near each transformer, each jumper has "220V" printed alongside of it on the circuit
board.
For 220-240V operation, you must also disconnect the six 120V jumpers.