JVC KD·APD49 - Troubleshooting; General Troubleshooting; FM;AM Tuner Troubleshooting; Disc Playback Troubleshooting

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Preset value setting for each sound mode
Preset value
Sound mode
BASS (bass) MID (mid-range)
TRE (treble)
LOUD
Freq. Level
Q
Freq. Level
Q
Freq. Level
Q
(loudness)
USER 60 Hz 00
01.0
1.0 kHz
00
01.25
7.5 kHz 00
01.25
ROCK 100 Hz
+03
01.0
1.0 kHz
00
01.25
10.0 kHz
+02
01.25
CLASSIC 80 Hz
+01
01.0
1.0 kHz
00
01.25
10.0 kHz
+03 01.25
OFF
POP
100 Hz
+02 01.0
1.0 kHz
+01 01.25
10.0 kHz
+02
01.25
HIP HOP 60 Hz
+04
01.0
1.0 kHz
-02
01.0
10.0 kHz
+01 01.25
JAZZ 80 Hz
+03 01.0
1.0 kHz
00
01.25
10.0 kHz
+03 01.25
Freq.: Frequency 0: O-slope
Troubleshooting
What appears to be trouble is not always serious. Check the following points before calling a service center.