Voltage Change - Classe Audio CAP-100 Service Manual

Voltage Change

EXTRA PRECAUTIONS SHOULD BE TAKEN WHEN REPAIRING, MODIFYING, OR
TROUBLESHOOTING IN THE POWER SUPPLY AREA. UNIT MUST BE DISCONNECT
FROM MAIN SOURCE AND CAPACITORS MUST BE DISCHARGED USING A 100W
INCANDESCENT BULB.
1. Set the jumper position according to the table below.
2. Replace the varistor, according to new line voltage, following Classe's recommendations. If varistor is
not available, remove old varistor and leave it empty.
Mains
100VAC
120VAC
220VAC
240VAC
Mains
100/120VAC
220/240VAC
PRO-SVR_LEGACY
Jumper positions, main transformer
Jumper 1
A
A
B
B
Jumpers, auxiliary transformer
Position 1 Position 2
In Out
Out Out
Jumper 2 Jumper 3
E F
C D
E -
D -
Position 3
Out
In
Varistor
221
221
391 / 441
391 / 441
Position 4 Position 5
Out In
Out Out
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