Technics SC-EH760 - Manual (Page 42)

Reference
RQT5355
42
Troubleshooting guide
Before requesting service, make the below checks. If you can’t fix the system as described below, or if something not listed here occurs, refer to the
enclosed directory to locate an Authorized Service Center convenient to you or contact your dealer.
Reference pages are shown as black circled numbers
6
.
Common Problems
Noise is heard.
The stereo indicator flickers or
doesn’t light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during AM
broadcasts.
The correct AM frequency can’t be
tuned in.
Use an outdoor antenna. 7
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and leads.
Change the frequency step. Hold [TUNER/BAND] down for 10 seconds to change the step to 9 kHz.
The cassette deck
Poor quality sound.
Recording is not possible.
Clean the heads. [
Check the Dolby NR setting. B
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. N
No sound.
Sounds unfixed, reversed or come
from one speaker only.
Humming heard during play.
“ERROR” is displayed.
“U70” is displayed.
“F61” is displayed.
ECO mode on but display still
lights up in standby mode.
“– –:– –” appears on the display.
Turn the volume up.
The speaker cords may be shorted. Turn the unit off, check and correct the connections and turn the
unit on.
6
Check the speaker connections. 6
An AC mains lead or fluorescent light is near the cables. Keep other appliances and leads away
from this unit’s cables.
If possible in your area, turn the AC mains lead’s plug or connector over to reverse the lead’s
polarity.
Incorrect operation performed. Read the instructions and try again.
Connect the flat cables firmly. If “U70” remains on the display, contact the dealer.
There is a problem with the tuner amplifier. Consult your dealer.
Turn DEMO off. ;
You plugged the AC mains lead in for the first time or there was a power failure recently.
Set the time.
;
Listening to the radio
When there is a television set nearby
The picture on the TV disappears
or stripes appear on the screen. 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.