ECC-50/125DA Instruction Manual —
P/N LS10027-000FL-E:D 5/21/2015
27
Installation
ECC-50BDA Backup Remote Amplifier
3.2.1 Board Layout
Figure 3.1 shows the location of terminals, dip switch, and circuit expander connection, used in the
installation of the ECC-50BDA.
TB1
TB3
TB4
B A + -
W G B
+ -
+ - + - + - + -
+ - + - + - + -
-
+ - +
OUT
IN
OUT
IN
OUT
IN
TB6
TB5
J1
TB2
SW4
SW3
SW1
SW2
Audio
Riser
Data
Bus
Data Bus ID
Dip Switch
ECC-50WBU
Connection
Battery
Connector
AC Transformer
Connector
Audio Circuits
Figure 3.1 ECC-50BDA Board Layout
ecc-
du
al
50
da
.w
mf
test
switches
Amp mode
Dip Switch
not used
Amplifier B
Amplifier A
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