Test Set-Up And Procedure - Infinity PS212W Service Manual

PS212W subwoofer
Equipment needed:
•
Function/signal generator/sweep generator
•
Integrated Amplifier
•
Multimeter
•
Speaker cables
•
PS212W Transmitter, power supply
General Unit Function + Transmitter (UUT = Unit Under Test)
1) From a mono output signal generator, OFF at this time, connect an RCA cable to the "Sub in" jack on the
PS212W Transmitter. Assure the power supply has been plugged in and a Red or blinking Green LED is
now showing on the transmitter. Default "ID Code" switch position is 1.
2) Position and plug in the PS212W Subwoofer nearby (less than 75' away), power switch should be OFF.
3) CROSSOVER, PHASE switch position does not matter. Low Pass switch should be OFF. "ID Code"
switch position should be 1.
4) Turn the LEVEL control on the UUT to completely counterclockwise (MIN).
5) Turn on signal generator; adjust to 100mV, 50 Hz. LED on Transmitter should now be steady Green.
6) Turn the power switch ON. LED on Sub Amp plate should be momentarily Green, then Orange.
7) Turn LEVEL control full clockwise (MAX); immediate and vigorous bass response should be heard and felt
from port tube opening.
8) Turn off generator, turn LEVEL control full counterclockwise (MIN), and disconnect RCA cable.
General Unit Function (Direct connection - No Transmitter)
9) From a mono output signal generator, OFF at this time, connect an RCA cable to the L/R jacks on the
PS212W Subwoofer.; Use a Y-cable to connect to both inputs; power switch should be OFF.
10) PHASE switch position does not matter. CROSSOVER control should be set at "150Hz". Low Pass switch
position does not matter.
11) Turn the LEVEL control on the UUT to completely counterclockwise (MIN).
12) Turn on signal generator; adjust to 100mV, 50 Hz.
13) Turn the power switch ON. LED on top of Subwoofer should be momentarily Red, then Green.
14) Turn LEVEL control full clockwise (MAX); immediate and vigorous bass response should be heard and felt
from port tube opening.
15) Turn off generator, turn LEVEL control full counterclockwise (MIN), and disconnect RCA cable.
PS212W Test Set Up and Procedure
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