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Technics SCHDA710 Manual

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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. This can improve sound quality.
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.
No power.
The display starts up even after
the unit is turned off.
The clock isn’t displayed after the
unit is turned off.
The timers don’t work.
No sound or distorted sound.
Check the speaker connections. i
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 amplifier. Consult your dealer.
Ensure the AC power supply cord and flat cables are connected correctly.
i
The clock is not displayed if the “ECO” mode is on.
!2
The play and record timers do not work if the unit is on. #6 #7
Ensure the indicator for the timer is on before you turn the unit off.
Check all connections. If you have connected an amplifier and speakers in order to enjoy 5.1-
channel surround sound, check the speaker settings and audio mode. $2 $4 $5
If you are using V.S.S. with the speakers, switch the headphone V.S.S. mode to the normal mode.
If sound quality is still poor, turn V.S.S. off. #4
If you are playing DVD-Audio with multiple channels and “DOWN MIX” does not light on the unit’s
display, the unit cannot play the audio correctly unless you have connected the speakers specified
by the software.
“ERROR TRACK” on the unit’s display indicates that the track playing has been recorded with a
nonstandard system.
Troubleshooting guide
50
RQT5479
Reference
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 i.
Common Problems
Listening to the radio
Noise is heard.
The stereo indicator flickers or
doesn’t light.
Sound is distorted.
A beat sound is heard. Turn the TV off or separate it from the unit.
A low hum is heard during AM
broadcasts.
Separate the antenna from other cables and leads.
The correct AM frequency can’t
be tuned in.
Change the frequency step. Hold [AM] down for 10 seconds to change the step to 9 kHz.
The cassette deck
Poor quality sound.
Recording is not possible.
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. #1
There are breaks in recordings
you made.
Sound is interrupted during recording if you press [MULTI] to change the sound mode.
Turn the volume up.
The speaker cords may be shorted. Turn the unit off, check and correct the connections and turn the
unit on. i
Turn DEMO off. !2
The play and record timers do not work if the unit is on. #6 #7
Ensure the indicator for the timer is on before you turn the unit off.
Use an outdoor antenna. o
Clean the heads. %1
Check the Dolby NR setting. !6
The demonstration feature is on. Turn it off if it is not required.
!2
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