Line Voltage Wiring - Agilent Technologies 6611C Service Manual

3 - Troubleshooting

Line Voltage Wiring

Figure 3-3 illustrates the primary wiring configuration of the power transformer for various ac line voltages.
Use long nose pliers to disconnect the wires going to the transformer terminals.
NOTE:
Install the correct fuse when changing the ac line voltage from a previous setting:
for 110/120 Vac: 2.5AT, 250V, Agilent p/n 2110-0633;
for 220/230 Vac: 1.25AT, 250V, Agilent p/n 2110-0788
white/red/grey
orange
1
2
3
4
5
6
7
orange
grey
Front of unit
grey
orange
1
2
3
4
5
6
7
orange
white/red/grey
42
120 VAC
white/violet
white/yellow
Top part of
transformer
100 VAC
white/violet
white/yellow
Top part of
transformer
Front of unit
white/red
white/black
white/brown
Figure 3-3. Transformer Wiring
grey
1
2
orange
3
4
5
6
7
white/red/grey
grey
1
orange
2
3
4
5
6
7
white/red/grey
white/red
All Voltages
red
white/black
black
Bottom part of
white/brown
transformer
Front of unit
orange
(spare)
220 VAC
white/violet
white/yellow
Top part of
transformer
Front of unit
orange
(spare)
230 VAC
white/violet
white/yellow
Top part of
transformer
Front of unit