Trouble Trouble
Shooting Shooting
Guide Guide
l. l.
Are Are
all all the the unit's unit's
power power
cables cables
properly properly
connected?connected?
If If
a a
problem problem
arises arises
with with
the the receiver receiver
(poor (poor
or or
non-operative) non-operative)
2. 2.
Are Are the the connected connected units units set set
for for the the
proper proper
operation?operation?
attempt attempt
to to find find the the symptoms symptoms in in
the the
chart chart
and and take take the the
action action
3. 3. Have Have the the operating operating instructions instructions
for for
the the receiver receiver beenbeen
as as
directed directed listed listed to to the the right right under under corrective corrective action. action.
followed?followed?
SYMPTOMSYMPTOM
CORRECTIVE CORRECTIVE
ACTIONACTION
Dal Dal Scale Scale
does does
not not light light up.up.
Check Check
AC AC Power Power
connection.connection.
Blown Blown fuse. fuse. Replace Replace
fuse.fuse.
Dal Dal Scale Scale
lights lights up up but but no no sound.sound.
Check Check SPEAKIRS SPEAKIRS Selector Selector and and adjust adjust
to to A/B.A/B.
TAPE TAPE Monitor Monitor or or
FUNCTION FUNCTION
Selector Selector in in
wrongwrong
position.position.
Re-adjust Re-adjust
to to
proper proper position.position.
Set Set
VOLUME VOLUME to to 1/3 1/3 and and
check check
speaker speaker cables cables andand
connections.connections.
Only Only one one channel channel
produces produces
sound.sound.
Adjust Adjust BALANCE BALANCE
to to middle middle
position.position.
Check Check
loudspeaker loudspeaker
fuses.fuses.
Check Check
connections connections
of of
attached attached
machines.machines.
Exchange Exchange
loudspeakers.loudspeakers.
Exchanged Exchanged channels channels
(left (left
and and
right).right). MODE MODE Switch Switch
in in
wrong wrong
position.position.
Place Place in in STEREO.STEREO.
Reversed Reversed cables cables on on
either either
speakers speakers or or other other unit.unit.
Check Check
cable cable connections.connections.
Iow Iow
frequency frequency noise noise during during
turntableturntable
use.use.
Check Check to to see see that that turntable turntable
cables cables
and and
ground ground
wirewire
are are connected connected
properly.properly.
Check Check connection connection of of head head
shell shell in in tone tone arm.arm.
"Howling" "Howling"
noise noise at at high high
volume volume
levelslevels
during during turntable turntable use.use.
Acoustic Acoustic
Feedback. Feedback.
Turntable Turntable
too too close close to to
speakersspeakers
or or
placed placed
on on
unstable unstable
support. support.
Place Place
tumtable tumtable
onon
firm firm support. support. Place Place turntable turntable
on on rubber rubber mat mat forfor
better better isolation.isolation.
Change Change
position position
ofspeakers ofspeakers or or turntable.turntable.
Good Good
mono mono
reception, reception,
poor poor
stereo stereo
recep-recep-
tion.tion.
Signal Signal
too too
weak. weak. Change Change antenna antenna
position.position.
Use Use better better antenna.antenna.
Fluctuation Fluctuation
of of
signal.signal.
Blinkins Blinkins of of
stereo stereo indicator.indicator.
Poor Poor antenna antenna
system system or or
caused caused by by
weather weather condi-condi-
tions.tions.
"Chirping" "Chirping"
background background noise noise
during during
FM-FM-
stereo stereo
reception.reception.
Correct Correct antenna antenna
direction.direction.
Caused Caused by by
"over-shooting" "over-shooting"
from from distant distant broadcast.broadcast.
In In
many many
cases cases
no no
correction correction
possible.possible.
Other Other
stations stations
can can
be be
heard heard at at the the
samesame
time time
on on
the the
same same
freouencv.freouencv.
Cross Cross modulation modulation
typically typically
caused caused by by
poor poor
antennaantenna
amplifiers amplifiers in in
community community
antenna antenna
systems.systems.
Improvement Improvement in in antenna antenna
system system
required.required.
-i-i
II
-26 -26
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