23
RQT6252
Troubleshooting guide
Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or
a minor adjustment on your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, consult your dealer for
instructions.
¡Connect the appropriate antenna. (You may need an outdoor antenna or one
with more elements.)
¡Adjust the position of the FM or AM antenna.
¡Reduce the treble.
¡Select “SOURCE DIRECT”.
¡Turn off nearby televisions, video decks, DVD players, and satellite receivers.
¡Separate the antenna from other cables, leads, and appliances.
¡Change the frequency step. Hold [-BAND, –FM MODE, DISPALY MODE]
down for 3 seconds to change the step to 9 kHz.
The radio cannot be tuned in or
there is a lot of noise and
interference.
The correct AM frequency cannot
be tuned in.
7
7
18
16
–
–
–
¡Ensure the SPEAKERS settings for your speakers are correct.
¡Check the DSP sound mode.
Sound is not heard from the
center, surround, or subwoofer
speakers.
10
16
¡Ensure the SPEAKERS settings for your speakers are correct.
¡Turn ENHANCED SURROUND on.
Sound is not heard from the
surround back speaker.
10
16
¡Turn DVD 6CH INPUT off.
¡The DSP switches to STEREO if input is PCM with sampling frequencies of
96 or 88.2 kHz.
DSP sound modes cannot be
selected.
12
16
DSP sound modes
Pages
Radio
Pages
Common problems
¡Ensure the AC mains lead is connected.
No power.
¡Switch off the unit, determine and correct the cause, then switch the unit on.
Causes include:
–Shorting (bare wires touching) of positive and negative speaker wires.
–Using speakers with an impedance lower than that rated for this unit.
–Straining of the speakers through excessive volume or power.
–Using the unit in a hot environment without proper ventilation.
Sound stops. “OVERLOAD”
appears on the display.
7
–
¡Turn the volume up.
¡Check connections to speakers and other equipment.
¡Turn on the speakers.
¡Turn off the tape monitor.
¡Select the correct source.
¡Change the D-INPUT setting to suit the type of connection you have made.
¡Check that the digital signals can be decoded by this unit.
¡Turn PCM FIX or DTS FIX off.
No sound.
13
4–9
12
13
12
11
16
16
8
9
–
–
¡Turn the unit off, disconnect the AC mains lead, and consult your dealer.
“F 70” appears on the display.
Pages
Step 1
Step 2
Step 3
Step 4
Before use
Others
Reference
