Troubleshooting: Signal Test Points
The following signal test points can be used to troubleshoot speaker system problems.
Testing Source Signal (All Configurations)
The source signal can be tested by connecting to the inner
+
(IN) and
–
(IN) terminals of the
captive screw connector.
Red Wire (+) from Amplifier
Black Wire (-) from Amplifier
Amplifier
Test Points
Figure 32.
Signal Test Points — Parallel Configuration
Testing the Impedance (Loop-Through Configuration Only)
The impedance of the speakers downstream of the one being tested can be measured
while the system is on. To do this, connect to the outer (LOOP) terminals of the captive
screw connector, as shown in figure 33 below.
Impedance Test Points
To next speaker(s)
Red Wire (+) from Amplifier
Black Wire (-) from Amplifier
Amplifier
Test Points
Figure 33.
Impedance Test Points — Loop-through Configuration
SF 26CT LP User Guide • Reference Information
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