9
ALS-600PS POWER SUPPLY CIRCUITRY (ALS-600PS)
Line Voltage Modifications
The line input voltage of the ALS-600PS can be changed by moving jumper wires on the
power supply printed circuit board to new locations. The ALS-600PS is wired for
standard 120 Vac operation unless otherwise indicated.
Warning: Never remove the cover of this unit while it is connected to the power line.
Never solder or unsolder without eye protection.
Refer to the following chart for the proper location of the primary wiring. This chart lists
the proper jumper connections for different ranges of MAXIMUM line voltage.
The standard line voltage in the USA is NOT 110 and 220 volts. It is almost ALWAYS
above 120 volts or 240 volts.
Caution: Never exceed the voltage in this chart for each wiring configuration. If the
output voltage of this supply exceeds 65 volts damage to the amplifier may
occur.
ALS-600PS Power Supply Board
Jumper Pad Diagram
For the following line voltages
jumper the correct pads.
AC LINE
VOLTAGE
RANGE
PRIMARY
BUCK BOOST
95-110 A TO B C TO D E TO 2 F TO 1
105-120 A TO B C TO D E TO F
115-130 A TO B C TO D E TO 1 F TO 2
200-220 B TO C E TO 2 F TO 1
210-230 B TO C E TO F
220-240 B TO C E TO 1 F TO 2
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