Test Mode - Kenwood KDC-8021 Service Manual

Test Mode

1. How to enter test mode
While holding the [1/5] key and the [3/7] key, reset the
unit.
2. How to exit from test mode.
While holding down the [4/8] key, reset the unit.
Note: Does not exit from test mode ACC OFF, Power
OFF or momentary power down
3. Test mode reset status
• Sources are all OFF
• All display segment lit up
• Volume at -10dB (shows 30 on display)
• LOUD is OFF.
• CRSC is OFF regardless of whether switching function
is provided.
• SYSTEM Q is in FLAT
• BEEP sounds at momentarily pressing at any time.
4. Special displays in Tuner
When the following displays appear in tuner mode it
shows a problem with the front end.
• "TNE2P NG" : F/E is not aligned and EEPROM is in
reset (no settings) such as when
shipped.
• "TNCON NG" : Cannot communicate with F/E (front
end).
5. K3I switching
Each time the Preset 6 key is pressed in Tuner mode,
switches one at a time through the following sequence:
AUTO î Forced Wide î Forced Middle î Forced
Narrow î AUTO.
When reset, displays the following in AUTO.
• AUTO : FMA
• Forced Wide : FMW
• Forced Middle : FMM
• Forced Narrow : FMN
6. CD receiver test mode specifications
• No automatic ejection during reset-start. Does not make
a CD check in reset with a CD loaded.
• Using the Track up key jumps to the following tracks.
No. 9 î No. 15 î No. 10 î No. 11 î No. 12 î No.
13 î No. 14 î and back to No. 9
• Using the Track down key moves 1 track downwards
from the track being played.
• When the total number of MP3 or WMA disc tracks is 9
or less, playback starts from the first track.
• With the model equipped with the MP3 or MP3/WMP
mechanism, the mechanism model name and version
number are displayed at the bottom line.
7. Audio items
• Momentarily pressing the Q key calls up audio adjust-
ment mode.
✽
• Pressing the key on the remote control calls up audio
alignment mode.
• An initial item is set to Feder.
• Continuous forward is disabled on the remote control.
• Bass/Middle/Treble/NF are settable in 3 steps of MIN /
Center / MAX with the Track up/down keys.
KDC-8021/M9021/X859
TEST MODE
• Balance is settable in 3 steps of Left MAX / Center /
Right MAX with the Track up/down keys.
• Fader is settable in 3 steps of Rear MAX / Center /
Front MAX with the Track up/down keys.
• HPF is settable in 2 steps of THRU/220Hz with the
Track up/down keys.
• LPF is settable in 2 steps of THRU/120Hz with the
Track up/down keys.
• Bass f / Bass Q / Bass EXT / Middle f / Middle Q /
Treble f do not appear in the audio alignment.
8. Menu items
• The DNPP/SBF keys on the remote control calls up
Menu mode.
• Continuous forward is disabled on the remote control.
9. Backup current measurement
The MUTE terminal turns off 2 seconds (not 15 seconds)
after being reset in ACC off (backup on).
(The panel and CD mechanisms are disabled during this
time.)
10. Special displays during All-Off with all lamps on
The following displays appear when the preset keys are
pressed with all display segment lit up.
[1/5]key • Version display (8 digits; Mo. Dy. Hr. Mn.)
(Display)
• Serial No. display (8 digits)
(Display)
[2/6]key • Press once: Power on time display
(Does not count during All-Off)
Press long: Clears the time display during power-on.
(Display)
• Press once: CD operating time display.
Press long: Clears CD operating time.
(Display)
[3/7]key Press once: CD eject count display.
Press long: Clears CD eject count display.
(Display)
[4/8]key Press once: PANEL open/shut count display.
Press long: Clears PANEL open/shut count display.
(Display)
11. Channel space switching (K/M type)
While holding the [1/5] key and the [4/8] key, reset the
unit.
12. Others
• Automatic panel close is disabled when CD is inserted.
• Panel operation is disabled at Power-ON or Power-
OFF.
• Panel open and closes with press long the Q key.
• No displays such as "CODE OFF" during Power-ON.
• Pressing the TI (AUTO) key during changer operation
turns on 2zone. Cancel by pressing the TI (AUTO) key
again. The P/S dot is lit during 2zone.
• Pressing the [4/8] key for 1 second or more during All
OFF, calls up the Mask Key (security) write mode.
SYS XXXXXXXX system microprocessor
PAN XXXXXXXX panel microprocessor
SNo XXXXXXXX
PonTim XXXXX MAX 65535(time)
CDTime XXXXX MAX 65535(time)
EjeTim XXXXX MAX 65535(count)
PnCnt XXXXX MAX 655350(count)
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