Troubleshooting Guide - Technics SC-HD310 Operating Instructions Manual

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 y.
Common Problems
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.
Listening to the radio
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.
The cassette deck
Poor quality sound.
Recording is not possible.
The CD player
The display is wrong or play
won't start.
During "One touch" editing ( a a Page 21)
"NO TAPE" is displayed.
"CHANGE TAPE" is displayed.
The remote control
The remote control doesn't work.
All components are required to service the system. If service is ever necessary, bring the entire system.
Turn the volume up.
The speaker cords may be shorted. Turn the unit off, check and correct the connections and turn the
unit on. y
Check the speaker connections. y
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 amplifier. Consult your dealer.
Turn DEMO off. !0
Use an outdoor antenna. i
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and leads.
Change the frequency step. Hold [FM/AM] or [AM] down for 10 seconds to change the step to 9 kHz.
Clean the heads. @6
Check the Dolby NR setting. !4
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. !9
The disc may be upside down. !6
Wipe the disc.
Replace the disc if it is scratched, warped, or nonstandard. !6
Condensation may have formed in the player due to a sudden change in temperature. Wait about an
hour for it to clear and try again.
Load a cassette. !4
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. !9
Check the batteries are inserted correctly. t
Replace the batteries if they are worn.
27
RQT5296