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SYMPTOM PROBABLE CAUSE SOLUTION
Bass is very weak • Subwoofers are wired out •Make sure that positive terminals on the
of phase subwoofers go to the positive terminals
on the amplifiers (red) and do the same
for the negatives.
• Subwoofers have not •Experiment with different locations.
been placed optimally
Poor or smeared imaging • Poor room acoustics •Use absorptive materials to minimize
early reflections.
•Aim speakers at listening area.
• Poor program source •Check another program source.
• Improper polarity •Check polarity of wire connections.
Indistinct dialogue • Slap echoes •Add absorption or diffusion materials.
• Miscalibration of center •Check output levels of surround processor.
channel output level
Uneven surround coverage • Poor speaker placement, •Place surrounds according to THX
strong reflections specifications.
•Add absorption and/or diffusion materials.
• Excessive absorption near •Remove absorptive material to provide
surrounds surround reflections.
TROUBLESHOOTING
