Troubleshooting Guide - Technics SC-EH600 Operating Instructions Manual

Reference i |
Troubleshooting guide
Before requesting service, make the below checks. If you can't fix the system as described below, or if something not here listed occurs, contact the
place of purchase. To install antennas, make adjustments and the sort, contact the place of purchase.
Problem Probable cause(s) Suggested remedy | Page |
| Problems common to all systems
Humming is heard while
playing.
A power cord or fluorescent lamp is located
in the vicinity of cables. °
Only one speaker is
emitting sound.
Keep electric appliances away from the stereo.
Try plugging the cord in the other way.
|
One of the wires of the speaker cord is
disconnected.
Connect the speaker cord correctly.
There is no sound when a
source is being played.
The (+) and (—) wire of the speaker cords are
shorted,
Switch the system to the standby mode, and
reconnect the speaker cords so that they are
not shorted. Then switch on the power.
"U70" appears on the
display.
Flat cables are not connected steadily.
Connect the flat cable steadily.
When the "U70" display is not cleared after the
flat cable have been connected properly, the
unit is damaged. Consult your dealer.
While listening to FM broadcasts
There is a "rushing noise"
during a stereo broadcast
which is not audible during
a monaural broadcast.
The transmitting station is a long distance
away.
You hear excessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
The stereo indicator
flickers and does not light
completely.
The sound during a stereo
broadcast is highly
distorted.
You hear an unusual beat
sound.
You hear a low-frequency
hum.
The correct frequency can
not be recelved.
The installation location and orientation of
the antenna are unsuitable.
The transmitting station is a long distance
away.
The power of the TV set or VCR is ON.
There is a building or mountain nearby.
[Distortion is caused by interference between
the signal from the transmitting station
(direct wave) and the signal reflected from
the building or mountain (reflected wave).]
If you are using an indoor antenna, change to
an outdoor antenna,
Try switching off the TV set or VCR.
Use a high-grade outdoor antenna, and install
it in a good location, height, and orientation for
reception.
You are using the system at the same time
you are playing a TV set.
Switch off the T'V set, or use the system further
away from it.
The antenna wire is too close to the flat
cables/ power cord.
Frequency step is set to 10 kHz.
| When there is a television set nearby
The picture on the TV
disappears or stripes
appear on the screen.
Move the antenna away from the flat cables/
power cord.
Hold down the TUNER/BAND button for
about 3 seconds (change frequency step to
9 kHz).
The location and orientation of the antenna
are incorrect.
If you are using an indoor antenna, change to
an outdoor antenna.
The TV antenna wire is too close to the
system.
Separate the antenna wire of the TV set from
the system.