Troubleshooting - JBL PSW-D110 Service Manual

Amplifier/Subwoofer
If you used the high-level (speaker) inputs and there is no
sound from any of the speakers, check the following:
• Receiver/amplifier is on and a source is playing.
• Powered subwoofer is plugged in.
• C h e c k a l l w i r e s a n d c o n n e c t i o n s b e t w e e n
receiver/amplifier 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. If there
is low bass output, check the following:
• Make sure the connections to the left and right "Speaker
Inputs" have the correct polarity (+ and –).
• Make sure that the sub-woofer is plugged into an active
electrical outlet.

TROUBLESHOOTING

• Powered subwoofer is plugged in.
• Adjust the crossover point.
If you used the line-level inputs and there is no sound from
the subwoofer, check the following:
• Receiver/amplifier is on and a source is playing.
• Powered subwoofer is plugged in.
• Check all wires and connections 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.
PSW-D110/DPS-10
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