Kenwood Z-638 Instruction Manual page 37

Troubleshooting Guide
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The Touch Sensor Tone doesn't
The preout jack is being used.
The Touch Sensor Tone can't be output from the preout jack.
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Even though Synchronize Clock is ON, the clock can't be
The received RDS station isn't sending time data.
Receive another RDS station.
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Even though the vehicle light switch is turned ON, the unit's display
won't dim.36
The dimmer wire isn't connected.
Connect the dimmer wire correctly.
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The Dimmer function doesn't work.
The Dimmer wire isn't connected correctly.
Check the Dimmer wire connection.
Tuner source
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Radio reception is poor.39
The car antenna is not extended.
Pull the antenna out all the way.
The antenna control wire is not
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
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The desired frequency can't be entered with the Direct Access
Tuning.41
A station that can't be received is being entered.
Enter a station that can be received.
You're trying to enter a frequency with a 0.01 MHz
What can be designated in the FM band is to 0.1 MHz.
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It isn't the set Traffic information sound volume.
The set sound volume is less than the tuner sound volume.
If the tuner sound volume is louder than the set sound volume,the
tuner sound volume is used.
sound.34
adjusted.35
38-1
connected.40
unit.42
43
Disc source
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"AUX" is displayed without achieving External disc control
O-N switch is set to "O" side.
Set the switch to "N" side.
Unsupported disc changer is
Connect the supported disc changer. (page 3)
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The specified disc does not play, but another one plays
The specified CD is quite dirty.
Clean the CD.
The CD is upside-down.53
Load the CD with the labeled side up.
The disc is loaded in a different slot from that
Eject the disc magazine and check the number for the specified
disc.
The disc is severely
Try another disc instead.
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The specified track will not
Random play or magazine random play has been selected.
Turn off random play or magazine random play.
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Track repeat, disc repeat, track scan, random play, and magazine
random play start by themselves.59
The setting is not canceled.
The settings for these functions remain on until the setting to off
or the disc ejected, even if the power is turned off or the source
changed.
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connected.51
specified.54
scratched.55
play.58
mode.50
instead.52