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TEST PROCEDURES
Electrical Connections
Main Input Connectors
Wall Plate Input Connectors
Speaker Output Connectors
Serial Data I/O DB-9 Connector
The DXA 2120 contains an RS232 serial I/O port via the DB9F connector located on the rear
panel. This connector is not needed for these tests but will be verified during the code loading
process. The port will be configured automatically during test with the following settings:
Baud Rate: 56 K
Data Bits: 8 bits
Parity: none
Stop Bits: 2
Note: This port is intended for direct connection to a PC’s Com Port
1. Idle Current Test
1.1 Turn on the DXA 2120 amplifier assembly and verify the idle current as follows:
Name Connection Description Connector Type
J101 Unbalanced, summed mono line level only Dual RCA
J102 Unbalanced, summed mono line level only Dual RCA
J103 Unbalanced, summed mono line level only Dual RCA
J104 Unbalanced, summed mono line level only Dual RCA
J111 Balanced, mono mic/line level 3-pin EuroBlock
J112 Balanced, mono mic/line level 3-pin EuroBlock
J113 Balanced, mono mic/line level 3-pin EuroBlock
J114 Balanced, mono mic/line level 3-pin EuroBlock
J116 Balanced with Contact closure 4-pin EuroBlock
J115 Balanced with Contact closure 4-pin EuroBlock
Pin # Name (Function) Connector
Pin 1 Vol Ctrl_1 6 Pin Euroblock
Pin 2 Pwr
Pin 3 Vol Ctrl 2
Pin 4 A/B Sel 1
Pin 5 GND
Pin 6 A/B Sel 2
Name Type Connector
OUT1 100V, 70V, Xfmr Input, 4ohm, Gnd 5-pin reverse euro-block
OUT2 100V, 70V, Xfmr Input, 4ohm, Gnd 5-pin reverse euro-block
AUXOUT Balanced, Fixed line level output 3-pin EuroBlock
Part Number Country AC Input Max Current
294962-1 US/Canada 120 VAC/60 Hz 500 mA
294962-2, -4, -5 Euro/Aus/UK/Sing 240 VAC/50 Hz 500 mA
294962-3 Japan 100 VAC/50 Hz 500 mA
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