If you are in doubt about some of the check points,
Problem
Problems common
The location of the various
musical instruments is not
well defined.
Probable cause(s)
to all systems
The (+) and (—) connections to one of the
speakers are reversed.
Suggested remedy
Connect the speaker cord correctly.
The left and right sounds
are reversed.
The left and right connections to the speaker are
reversed.
Connect the speaker cords correctly.
Humming is heard while
playing.
plugging the cord in the other way.
Only one speaker is
emitting sound.
One of the wires of the speaker cord is
disconnected.
Connect the speaker cord correctly.
There is no sound when a
source is belng played.
The (+) and (—) wire of the speaker cords are
shorted.
"U70" appears on the
display.
While listening to F
There is a "rushing noise"
during a stereo broadcast
which is not audible during
@ monaural broadcast.
You hear excessive nolse
during a stereo broadcast,
and occasionally the sound
disappears.
The stereo indicator
flickers and does not light
completely.
Flat cables are not connected steadily.
M broadcasts
The transmitting station is a long distance away.
The installation location and orientation of the
antenna are unsuitable.
Connect the flat cables steadily.
The power of the TV set or VCR is ON.
Try switching off the TV set or VCR.
The sound during a stereo
broadcast Is highly
distorted.
While listening to A
You hear an unusual beat
sound.
M broadcasts
You are using the system at the same time you
are playing a TV set.
Switch off the TV set, or use the system further
away from it.
You hear a low-frequency
hum.
The picture on the TV
disappears or stripes
appear on the screen.
When there is a tele
The antenna wire is near the power cord.
vision set nearby
The location and orientation of the antenna are
incorrect.
Separate the antenna wire from the power cord.
Hf you are using an indoor antenna, change to an
outdoor antenna.
The wiring at the back of the system is unsuitable.
Separate the antenna wire of the TV set from the
system.