Test Mode - Kenwood KSC-MPV619 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.
• "TNE2P NG"
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L 13942296513
• "TNCON NG"
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:
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.
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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.
KDC-MPV619/MPV7019/MPV7020/MV6521

TEST MODE

: ALL OFF
: All segments are lit.
: -10dB (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.
: The EEPROM is set to the
default (unstable values)
because the F/E was shipped
without passing through the
adjustment process, etc.
: Communication with the F/E is
not possible.
: FMA
: FMW
: FMM
: FMN
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y
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• 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 place of 15 second. (The CD mechanism is not
activated at 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.
Version display (8 digits, Month/Day/Hour/Minute)
[PRESET 1]
(Display) xxxxxxxx : System microcomputer
Short press : View power ON time. (The All OFF period is not
counted.)
[PRESET 3]
Long press/hold : Clear power ON time at the power ON time displaying.
Q Q
3 6 7 1 3
(Display) PON xxxxx
Short press : Display CD operation time.
Long press/hold : Clear CD operation time at the CD operation
[PRESET 4]
(Display) CDT xxxxx
Short press : Display CD ejection count.
Long press/hold : Clear CD ejection count at the CD ejection
[PRESET 5]
(Display) EJC xxxxx
Short press : Display Panel open/close count.
Long press/hold : Clear Panel open/close count at the Panel
[PRESET 6]
(Display) PC xxxxxx
• Security-related information
1. Forced Power ON mode (All models)
Even when the security (Mask key) is approved,
resetting the unit while holding the ATT and Preset 4
keys makes it possible to turn the power ON for 30
minutes.
After 30 minutes have elapsed, it is not possible to
return to the previous condition unless the unit is reset
again.
u163 2. Method of registration of the security code after
EEPROM (Tuner Unit Ass'y) replacement (Code
.
security model)
1. Enter the test mode. (See 1. How to enter the test
mode)
2. Press the MENU key to enter the Menu mode.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Max. 65535 (hours)
time displaying.
Max. 65535 (hours)
count displaying.
Max. 65535 (times)
open/close count.
Max. 655350 (times)
m
co
9 9
2 8 9 9
7