Classe Audio CAV-180 Wartungshandbuch PDF herunterladen (Seite 12)

PRO-SVR_LEGACY Page 12 of 13

Fuses

EXTRA PRECAUTIONS SHOULD BE TAKEN WHEN REPAIRING, MODIFYING, O

TROUBLESHOOTING IN THE POWER SUPPLY AREA. UNIT MUST BE DISCONNEC

FROM MAIN SOURCE AND CAPACITORS MUST BE DISCHARGED USING A 100W

INCANDESCENT BULB.

WHEN REPLACING FUSES, PLEASE MAKE SURE THAT THE FUSE HOLDERS ARE

HOLDING THE FUSES VERY TIGHTLY. A LOOSE FUSE HOLDER CAN TRANSLATE INTO

DISTORTION ON TOP OF THE SIGNAL.

Main fuses:

For 100 – 120v units: 10A slo-blo, Classe part number MDA-10A

For 220 – 240v units: 8A slo-blo, Classe part number MDL-8A

The main fuse is located at the back of the unit, on the rear panel.

Control board fuse: 0.50A, Classe part number 225.500

The control board fuse is located on top of the control board (B2E7X)

Voltage Change

EXTRA PRECAUTIONS SHOULD BE TAKEN WHEN REPAIRING, MODIFYING, O

TROUBLESHOOTING IN THE POWER SUPPLY AREA. UNIT MUST BE DISCONNEC

FROM MAIN SOURCE AND CAPACITORS MUST BE DISCHARGED USING A 100W

INCANDESCENT BULB.

1. Set the primary wires of the main transformer as described 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.

3. Set the jumpers accordingly on the auxiliary transformer located at the back of the unit on the top

main board on the left-hand side of the auxiliary transformer (see tables below)

Primary wires, main transformer

Mains N1 N2 X1 X2 X3 X4 X7 X8 Varistor

100VAC White Orange Gray Yellow Blue Black - - 140

120VAC White Orange Blue Black Gray Yellow - - 140

220VAC White - - Yellow Gray Black Blue Orange 250

240VAC White - - Black Gray Yellow Blue Orange 250

Jumpers, auxiliary transformer

Mains Position 1 Position 2 Position 3 Position 4 Position 5

100/120VAC In Out Out Out In

220/240VAC Out Out In Out Out

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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Classe Audio CAV-180 Wartungshandbuch Seite 12