JBL PSW-D110 setup guide Phase Control, Troubleshooting

Phase Control

Phase 0 180

Troubleshooting

If you used the high-level (speaker) inputs and there is no sound from any of the speakers, check the following:

If there is low bass output, check the following:

• Make sure the connections

to the left and right “Speaker

If you used the line-level inputs and there is no sound from the subwoofer, check the following:

The Phase Control determines whether the subwoofer speaker’s piston-like action moves in and out with the main speakers, 0°, or opposite the main speakers, 180°. There is no correct or incorrect set- ting. Proper phase adjustment depends on several variables such as room size, subwoofer placement and listener posi- tion. Adjust the phase switch to maximize bass output at the listening position.

Remember, every system, room and listener is different. There are no right or wrong settings; any setting you choose will result in excellent performance. Should you decide to fine-tune your system for optimum performance, be patient and trust your ears. It will be worth the effort involved to fully “tweak” your system.

•Receiver/amplifier is on and a source is playing.

•Powered subwoofer is plugged in.

•Check all wires and connec- tions between receiver/ampli- fier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut or punctured.

•Review proper operation

of your receiver/amplifier.

Inputs” have the correct

polarity (+ and –).

• Make sure that the sub-

woofer is plugged into an

active electrical outlet.

• Powered subwoofer is

plugged in.

• Adjust the crossover point.

• Receiver/amplifier is on and

a source is playing.

• Powered subwoofer is

plugged in.

• Check all wires and con-

nections between receiver/

amplifier and subwoofer. Make

sure all wires are connected.

Make sure none of the wires

are frayed, cut or punctured.

• Review proper operation of

your receiver/amplifier.

– 7 –