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Installation
The switches described in Table 4.3 are for configuring the BDA-25/70.
Name
FAIL TEST
SWITCH
75W
50W
35W
4.4 Installation
4.4.1 DAA2
Figure 4.2 shows the installation of a BDA-25/70V onto a DAA2 amplifier. The BDA may be
programmed and wired for backup or for providing a second audio channel.
DAA2
J5
Power and
Control Harness
Connections
DAA2 & DAX — P/N 53265:A1 8/24/2011
Switch #
SW4
Simulates an amplifier failure for testing backup amplfiers. Refer to
page 71.
SW5
Sets the board for 75 watt operation. Not populated for BDA-70's.
SW6
Sets the board for 50 watt operation.
SW7
Sets the board for 35 watt operation.
Table 4.3 BDA-25V/70V Switches
1. Attach four
standoffs (p/n
42227) at
locations
indicated.
J6
BDA
2. Align BDA
over standoffs.
Attach with four
screws.
3. Attach power
harnesses
(included with
J1
J2
BDA - refer to
Figure 4.4 on
page 70):
• J1 on BDA to J6 on DAA2
• J2 on BDA to J5 on DAA2
Figure 4.2 BDA-25V/70V Installation, DAA2
BDA Backup Digital Amplifiers
Description
Default
Normal
Disabled
Disabled
Disabled
69
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