Denon POA-6600A - Page 7

m= POA-G6C00A I
TROUBLESHOOTING
Before troubleshooting, be sure to check whether your audio system is really the source of the problem.
If
you
think
the
amplifier
is
out
of
order,
first
check
the
following
one
more
time:
1.
Are
all
the
connections
correctly
made?
2.
Is
the
set
being
operated
properly
in
accordance
with
the
Operating
Manual?
3.
Are
the
speakers
and
preamplifier
being
operated
correctly?
If the
set does
not
operate
properly,
perform
the
checks
indicated
in the
flow
chart
below.
If
none
of
the
items
listed
apply
to
the
difficulty,
the
amplifier
is
probably
out
of
order.
Turn
off
the
power
immediately,
and
contact the outlet where you purchased the amplifier or your nearest DENON dealer.
Is the power sup-
ply cord com-
pletely plugged
into the socket?
No
Are the indica-
tors
for
POWER
and SPEAKERS-
A or B lit?
Yes
Is the PRO-
TECTOR LAMP
blinking?
No
Check whether
the set ventila-
tion is sufficient.
Is there no OC
voltage output
from the device
connected to the
L CH input side?
Is there no DC
voltage output
from the device
connected to the
Is
the
state
re-
leased
when
the
[Ly
PROTECTOR
button
is
|
-
pressed?
j
<r
C
Power
supply
|
L
No
\
circuitry
i
x
[Lmalfunetion
|
|
Are
the
speaker
|
|
cords
normal?
Power
amp
|
Yes
|
malfunction
R CH input side?
Are
the
speaker
cords
connected
correctly?
Is
STAND
BY
lit?
Is the volume
knob set to the
correct position?
Are the input
jacks
connected
f—V
properly?
| ves
No
Check the con-
nections of the
REMOTE PLUG
CORD.
Adjust the
volume knob to
a
suitable
level.
Connect the
input jacks
properly.
KU9154
P.S.
UNIT
KU-9154-|
No
Is
the
pre-
7
Check
the
pre-
amplifier normal? amplifier.
IT Yes
1?
If the set is not operating proper-
ly, perform the checks indicated
in this flow chart.
POA-6G600A
@
15