Read Harman Kardon SUB-TS 1 Service Manual online
9
Amplifier/Subwoofer
Harman Kardon
SUB-TS1
SIMPLE TROUBLESHOOTING
If 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 and is either in the “On”
or “Auto” position.
• Check all wires and connections between 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 no sound coming from one speaker, check the following:
• Check the “Balance” control on your receiver/amplifier.
If the system plays at low volumes but
shuts off as volume is increased, check the
following:
• Check all wires and con-nections between receiver/
amplifier and speakers. Make sure all wires are connected.
Make sure none of the speaker wires are frayed, cut or
punctured.
• If more than one pair of main speakers is being used,
check the minimum impedance requirements 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 –).
• Powered subwoofer is plugged in and is either in the “On”
or “Auto” position.
If there is no sound from the surround
speakers, check the following:
• Check all wires and connections between 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 and its
surround sound features.
• Receiver mode must be in Dolby Pro logic, Dolby Digital,
or any other mode that creates a surround-sound effect.
Even under normal operation, when viewing movies and
television, surround sound is not present at all times at a
high volume - only when the program has chosen to send
information there.
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