Test Mode - Kenwood KDC-M6021/G Service Manual

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1. How to enter the test mode
While holding the Preset 1 and Preset 3 keys, reset the
unit.
2. How to exit from the test mode
Reset the unit, ACC OFF, power OFF and Panel detached.
(Note) The test mode cannot be terminated by momentary
power down.
3. Initial status in the test mode
• Sources
• Display
• Volume
• Loudness
• CRSC
• SYSTEM Q
• BEEP
4. Special display in Tuner mode
When any of the following messages is displayed in Tuner
mode, the F/E may be abnormal.
TE
L 13942296513
• "TNE2P NG": The EEPROM is set to the default (unstable
values) because the F/E was shipped without passing
through the adjustment process, etc.
• "TNCON NG": Communication with the F/E is not
possible.
5. Forced switching of K3I
Each press of the Preset 6 key in Tuner mode should switch
K3I from AUTO → Forced Wide → Forced Middle → Forced
Narrow → AUTO.
The initial status is AUTO and the display shows these
modes as follows.
• AUTO
• Forced Wide
• Forced Middle
• Forced Narrow
6. Test mode specifications of the CD receiver
• Forced ejection is inhibited in the reset start operation.
When the unit is reset while a CD is loaded in it, the CD
is not recognized by resetting.
• Each press of the Track Up key jumps to the following
track numbers:
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No. 9 → No. 15 → No. 10 → No. 11 → No. 12 → No. 13
→ No. 14 → No. 9 (The cycle restarts from here.)
• Each press of the Track Down key jumps to the previous
.
track number to the track being played.
• When the number of total trucks of the MP3 disc is less
than 9, 1st truck is played.
: ALL OFF
: All segments are lit.
: -10 dB (displayed as "30")
: OFF
: OFF regardless of the presence of
switching function.
: Flat
: When pressing any keys, the buzzer
generates a beep at any time.
: FMA
: FMW
: FMM
: FMN
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TEST MODE

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7. Audio-related specifications
• A short press of the Q key initiates the audio adjustment
mode.
• Pressing the ∗ key on the remote initiates the audio
adjustment mode.
• Fader is selected to the initial item.
• Continuous holding of a remote control key is inhibited.
• Bass, Middle and Treble are adjusted in 3 steps of Min /
Center / Max with the Track Up/Down keys.
• Balance is adjusted in 3 steps of Left Max / Center / Right
Max with the Track Up/Down keys.
• Fader is adjusted in 3 steps of Rear Max / Center / Front
Max with the Track Up/Down keys.
8. Menu-related specifications
• A short press of the MENU key initiates the Menu mode.
• Pressing the DNPP/SBF key on the remote initiates the
Menu mode.
• Continuous holding of a remote control key is inhibited.
9. Backup current measurement
When the unit is reset while ACC is OFF (i.e. by turning
Backup ON), the MUTE terminal goes OFF in 2 seconds in
Q Q
place of 15 second. (The CD mechanism is not activated at
3 6 7 1 3
this time.)
10. Special display when the display is all on
Pressing the Preset keys while the power is ALL OFF
displays the following information.
PRESET 1
PRESET 3
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PRESET 4
PRESET 5
PRESET 6
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.
KDC-M6021/G
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Version display
(8 digits, Month/Day/Hour/Minute)
(Display) xxxxxxxx : System microcomputer
Short press : View power ON time.
(The All OFF period is not counted.)
Long press/hold : Clear power ON time at
the power ON time displaying.
(Display) PON xxxxx Max. 65535 (hours)
Short press : Display CD operation time.
Long press/hold : Clear CD operation time at
the CD operation time displaying.
(Display) CDT xxxxx Max. 65535 (hours)
Short press : Display CD ejection count.
Long press/hold : Clear CD ejection count at
the CD ejection count displaying.
(Display) EJC xxxxx Max. 65535 (times)
Short press : Display Panel open/close count.
Long press/hold : Clear Panel open/close count
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at the Panel open/close count.
(Display) PC xxxxxx Max. 655350 (times)
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9 9
2 8 9 9
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