Altec Lansing 9441A - Manual (Page 19)

ADDENDUM
TO THE ALTEC LANSING 9441A
OPERATING AND SERVICE INSTRUCTIONS
Operating and Service Instructions for the Altec Lansing 9441A Power Amplifiei
The following is a change to the Electrical Instructions of the Altec Lansing 944lA Power Amplifier found on pages
1 and 2 of the Operating and Service Instructions (Part Number 42-02-037980).
1.2 220/240 V ac, 60/60 Hz Power' Connections
The power transformer has two 120 volt primary windings which can be connected in parallel for 120 V ac line
voltages, or in series to meet 220/240 V ac requirements. Use the following procedures to re-strap the i-i-imary of
the power transformer for 220/240 V ac applications.
1. Make sure the amplifier is not connected to any power source.
2. Remove and save the ten screws securing the top cover. Refer to Figure 1 for the exact screw locations.
3. Locate terminal block TBl located behind the AC main power switch. Reconnect the leads as showr- in Figure
2
.
4. Install the top cover with the ton screws previously removed.
5. Install the 2.0A fuse, T2.0A /250V slo-blo or equivalent.
6. Install the 230 Vac 50/60Hz and the '1'2.0A/250V decals in the proper positions.
Figure 2 Primary wiring Configuration for 120 V ac and 220 V uc
Printed in U.S.A. 7/92 Revision 1 42-02-038412