94 DAA2 & DAX — P/N 53265:A1 8/24/2011
DAA Digital Audio Amplifiers Overview
C.1.4 DAA Board Layouts
Wire Versions
Connection Locations
Wire DAAs are each comprised of two boards; a larger rear board, and a smaller front power supply
board. Figure C.2 below shows the layouts for these boards.
Figure C.2 Connection Locations for Wire Version DAA Boards
RISER (+) OUT
RISER (-) OUT
RISER SHIELD OUT
AUXA R +
AUXA R -
AUXA L +
AUXA L -
ALM IN
REF IN
ALM OUT
REF OUT
RISER (+) RTN
RISER (-) RTN
RISER SHIELD RTN
OUT 1 SHLD
OUT 1-
OUT 1+
TROUBLE OUT NO
TROUBLE OUT NC
TROUBLE OUT COM
BKIN 1+
BKIN 1-
BKIN 1 SHLD
BKOUT 1+
BKOUT 1-
BKOUT 1 SHLD
TB10
BACKUP
CKT 1
BKOUT 2 SHLD
BKOUT 2-
BKOUT 2+
BKIN 2 SHLD
BKIN 2-
BKIN 2+
TB9
Refer to
page 111
TB4 -
Alarm
Refer to
page 107
TB7 -
FFT Riser
Refer to
page 110
TB10, TB11, TB12, TB13
Speaker Circuits
Refer to page 112
TB10
SPKR
CKT 1
TB5
Refer to page 108
OUT 2 SHLD
OUT 2-
OUT 2+
BACKUP
CKT 2
SPKR
CKT 2
BKOUT 3 SHLD
BKOUT 3-
BKOUT 3+
BKIN 3 SHLD
BKIN 3-
BKIN 3+
OUT 3 SHLD
OUT 3-
OUT 3+
BACKUP
CKT 3
SPKR
CKT 3
BKOUT 4 SHLD
BKOUT 4-
BKOUT 4+
BKIN 4 SHLD
BKIN 4-
BKIN 4+
OUT 4 SHLD
OUT 4-
OUT 4+
BACKUP
CKT 4
SPKR
CKT 4
USB
Connector
J2
Future
Use
TB11
TB13
DAPA +
DAPA -
DAPA REF
DAPB +
DAPB -
DAPB REF
AUXB +
AUXB -
AUXB SHLD
TB2 - Digital Audio
Port A
Refer to page 109
TB3 - Digital Audio
Port B
Refer to page 109
DAA Board
DAA-PS Power
Supply Board
EARTH
NEUTRAL
HOT
TB1
AC INPUT
Refer to
page 103
TB3
BATT CONN
Refer to page 104
BATT+
BATT-
TB8
AUX B
Refer to
page 111
DAApwrsupbd.wmf
DAABoard1.wmf
TB12
TB2
Future Use
Note: If TB5 is a 3--screw terminal, the
DAA board is PCB or higher.
DAA board ID - DAA boards
can be identified by the
silkscreening on the board.
This example shows a B
board. It is silkscreened with
PCB
Dotted rectangular area
indicates case.
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