Centralized audio applications
4.24 EST3 Installation and Service Manual
RA-1 RELAY
4
8
3
7
2
6
1
5
ARA-1 RELAY
4
8
3
7
2
6
1
5
AMP4
BKUP'
'AMP24
BKUP'
'AMP1_PRI' 'AMP2_PRI'
RA-1 RELAY
4
8
3
7
2
6
1
5
AMP3
BKUP'
RA-1 RELAY
SIGA-CR DEFINED AS
NONSUPERVISED OUTPUT
RA-1 RELAY
4
8
3
7
2
6
1
5
AMP1
BKUP'
'ATP1_ACT'
+24VDC
+24VDC
+24VDC
'ATP2_ACT'
'ATP3_ACT'
AMP2
BKUP'
FROM 3-ZAxx #1 FROM 3-ZAxx #2
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER
AMPLIFIER 1
AMPLIFIER 3
AMPLIFIER 4
SPARE AMP
BACKUP RISER
AMPLIFIER 2
RELAY ACTIVATES ON
AMP 1 FAILURE
RELAY ACTIVATES ON
AMP 2 FAILURE
RELAY ACTIVATES ON
AMP 3 FAILURE
RELAY ACTIVATES ON
AMP 4 FAILURE
RELAY ACTIVATES IF
AMP 2 OR AMP 4 FAILS
URSM URSM URSM URSM
CH1 CH1CH2 CH2
(3ATPINT4.CDR)
MODULES REPORT RISER TROUBLE
TO NETWORK CONTROLLER
RKU SERIES ENCLOSURE
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
2
1
1
3
2
1
3
Supervised
Power Limited
Not Power Limited
AMP 1
AMP 2
ACT
ATP 1
OUT IN
OUT IN
IN
RISER 1
OUT
IN
RISER 2
OUT
PRE-AMP
OUT 1
PRE-AMP
OUT 2
3-ATPINT
AMP 3
AMP 4
ACT
ATP 2
OUT IN
OUT IN
IN
RISER 1
OUT
IN
RISER 2
OUT
PRE-AMP
OUT 3
PRE-AMP
OUT 4
3-ATPINT
AMP 5
AMP 6
ACT
ATP 3
OUT IN
OUT IN
IN
RISER 1
OUT
IN
RISER 2
OUT
PRE-AMP
OUT 5
PRE-AMP
OUT 6
3-ATPINT
AUDIO RISER,180 WATT MAXIMUM PER RISER
SIGA-CR DEFINED AS
NONSUPERVISED OUTPUT
SIGA-CT1 or CT2 INPUT M
DULES
(Personality Code 3)
DEFINED AS MONITOR DEVICE TYPE
'AMP1_FAIL' 'AMP2_FAIL' 'AMP3_FAIL' 'AMP4_FAIL'
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
SIGA-CR DEFINED AS
NONSUPERVISED OUTPUT
SIGA-CR DEFINED AS
NONSUPERVISED OUTPUT
SIGA-CR DEFINED AS
NONSUPERVISED OUTPUT
4
8
3
7
2
6
1
5
EOL
EOL
Figure 4-15: One spare amplifier in dual channel system