JBL DCR600 II, Service Manual

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21
Troubleshooting
No sound from one speaker • No audio signal is being transmitted • Check all wires and connections between the DCR600
II
and
to the speakers speakers. Make sure all wires are connected. Make sure
none of the speaker wires are frayed, cut or punctured.
• In Dolby Digital or DTS modes, make sure that the DCR600
II
is configured so that the speaker in question is enabled.
No sound from surround or • Incorrect surround mode • Select a mode other than Stereo.
center speakers • Make sure the movie or TV show you are watching is
recorded in a surround sound mode. If it is not, try using
another surround mode.
• Input is monaural • There is no surround information from mono sources.
• Stereo or Mono program material • The surround decoder may not create center- or rear-channel
information from nonencoded programs.
• Review the operation of your DVD player and the jacket
of your DVD to make sure that the DVD features the desired
Dolby Digital or DTS mode, and that you have properly
selected that mode using both the DVD player’s menu and
the DVD disc’s menu.
• No audio signal is being transmitted • Check all wires and connections between the DCR600
II
and
to the speaker speaker. Make sure all wires are connected. Make sure
none of the speaker wires are frayed, cut or punctured.
• Incorrect configuration • If the DCR600
II
is set in Dolby Pro Logic II mode, make sure
the center speaker is not in Phantom mode.
• If the DCR600
II
is set in Dolby Digital or DTS mode, make
sure it is configured so that the center speaker is enabled.
• In Dolby Digital or DTS modes, make sure the DCR600
II
is
configured so that the surround speakers are enabled.
• Check all wires and connections between the DCR600
II
and
speakers. Make sure all wires are connected. Make sure
none of the speaker wires are frayed, cut or punctured.
System plays at low volume but • Speaker impedances are dropping too • Check all wires and connections between the DCR600
II
and
shuts off as volume is increased low for receiver to handle speakers. Make sure all wires are connected. Make sure
none of the speaker wires are frayed, cut or punctured.
• Do not use more than one pair of main speakers.
Low (or no) bass output • Speakers are connected out of phase • Make sure the connections to the left and right
Speaker Inputs have the correct polarity (+ and –).
• Subwoofer output of DCR600
II
not • In Dolby Digital or DTS modes, make sure the DCR600
II
is
enabled configured so that the subwoofer and LFE output is enabled.
Unit does not respond to • Weak batteries in remote • Change remote batteries.
remote commands • Wrong device selected • Press the Main
h
or DVD
d
selector.
• Remote sensor is obscured • Make certain front panel sensor is visible to remote
or connect remote sensor.
Intermittent buzzing in tuner • Local interference • Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances.
Letters flash in the channel indicator • Digital audio feed paused • Resume play for DVD.
display and digital audio stops • Check that Digital Input is selected.
(continued)
DCR600II