Test Mode - Kenwood KDC-5019 Service Manual

KDC-5019/519/7021/7021Y/8020/B7021

TEST MODE

1. How to enter the test mode
While holding the FM and Preset 6 keys, reset the unit.
2. How to exit from the test mode
While holding the Preset 6 key, reset the unit.
(Note) The test mode cannot be terminated by ACC OFF,
power OFF or momentary power down.
3. Initial status in the test mode
• Sources : ALL OFF
• Display : All segments are lit.
• Volume : -10 dB (displayed as " 30 ")
• Loudness : OFF
• CRSC : OFF regardless of the presence of
switching function.
• SYSTEM Q : Flat
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 ": 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 : FMA
• Forced Wide : FMW
• Forced Middle : FMM
• Forced Narrow : FMN
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.
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.
• 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.
• HPF is adjusted in 2 steps of Through/220Hz with the
Track Up/Down keys.
• LPF is adjusted in 2 steps of Through/120Hz with the
Track Up/Down keys.
• Bass f, Bass Q, Bass EXT, Middle f, Middle Q and Treble
f are not dealt with by the audio adjustment.
8. Menu-related specifications
• A short press of the CLK 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.
• Contrast is adjusted in 3 steps of 0/5/10 and the default is 5.
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 panel and CD mechanism are 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.
[PRESET 1] Version display (8 digits, Month/Day/Hour/Minute)
(Display) SYS xxxxxxxx System microcomputer
[PRESET 2] Serial No. display (8 digits)
(Note) CD/RK type eXcelon model
(Display) S. No. xxxxxxxx
[PRESET 3] Short press : View power ON time. (The All
OFF period is not counted.)
Long press/hold : Clear power ON time.
(Display) PonTim xxxxx Max. 65535 (hours)
[PRESET 4] Short press : Display CD operation time.
Long press/hold : Clear CD operation time
(Display) CDTime xxxxx Max. 65535 (hours)
[PRESET 5] Short press : Display CD ejection count.
Long press/hold : Clear CD ejection count.
(Display) EjeTim xxxxx Max. 65535 (times)
[PRESET 6] Short press : Display Panel open/close count.
Long press/hold : Clear Panel open/close count.
(Display) PnCnt xxxxx Max. 655350 (times)
11. Other specifications
• Automatic panel closing when a CD is inserted is inhibited.
(M&T model)
• Panel operation by turning power OFF/ON is inhibited.
(M&T model)
• Messages such as "CODE OFF" are not displayed when
power is turned ON.
• Pressing the ATT key opens or closes the panel. (M&T
model)
• Pressing the TI (AUTO) key during changer operation
turns 2zone ON. 2zone can be turned OFF by pressing
the TI (AUTO) key again. The P/S dot lights while 2zone
is ON.
• Pressing and holding the CLK key for a second in the
ALL OFF status the Mask Key (security) write mode.
KDC-5019/519/7021/7021Y/8020/B7021
TEST MODE / ATTENTION
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.
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 CLK key to enter the security registration mode.
3. Enter the code using the Preset 1/2/3/4 keys.
Example: To enter " 3510 "
• Press the Preset 1 key 4 times.
• Press the Preset 2 key 6 times.
• Press the Preset 3 key twice.
• Press the Preset 4 key once.
4. Hold down the DISP key for at least 3 seconds and the
message, " RE-ENTER " appears, so once again enter
the code according to Step 3 above.
5. Press and hold the DISP key for 3 seconds until
" APPROVED " is displayed.
6. Exit from the test mode. (See 2. How to exit from the test
mode)
(Note) All Clear is not applicable to the security code of
this model.
3. Simplified method of clearing the security code
(K Type only)
1. While the code entry is requested, press and hold the
VOL UP key for 3 seconds while holding the DISP key
pressed. (This should turn "----" off.)
2. Enter " KCAR " from the remote. (Same way as the 00
model)
• Press the 5 key on the remote twice, then press the
Track Up key. (This enters " K ".)
• Press the 2 key on the remote 3 times, then press the
Track Up key. (This enters " C ".)
• Press the 2 key on the remote once, then press the
Track Up key. (This enters " A ".)
• Press the 7 key on the remote twice, then press the
Track Up key. (This enters " R ".)
3. The security code is cleared and the unit enters the ALL
OFF mode.
4. If you commit a mistake in the code entry, the unit enters
the code request mode again.
4. Method of writing the Mask key while the EEPROM
is in the initial status
1. Enter the test mode. (See 1. How to enter the test mode)
2. Press the CLK key to enter the Mask key registration
mode. " TRANSMIT1 " should be displayed now. The
display at this time should show " < > " in place of " [ ] ".
3. Point the Mask key remote toward the light sensor, and
press and hold its key for more than 0.5 second.
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4.When " TRANSMIT2 " is displayed, press and hold the
key on the Mask key remote for more than 0.5 second
again. The first and second counter codes are not
compared at this time.
5.When " APPROVED " is displayed, the write operation is
complete. Now the demonstration mode is initiated and
the test mode is terminated.
(Note) In the same way as previous models, if 30 minutes
have elapsed with no code written, an error occurs
and the power is turned OFF.
5. Method of initializing the Mask key (How to reset
the unit from the Mask key approved condition to
the factory condition)
1.Enter the test mode. (See 1. How to enter the test mode)
2." TRANSMIT1 " is displayed and the Mask key entry
request mode is initiated. The display at this time should
show " ∗ ∗ " in place of " [ ] ".
3.Press and hold the key on the Master key remote for
more than 3 seconds.
4.When " TRANSMIT2 " is displayed, press and hold the
key on the Master key remote for more than 3 seconds
again.
5.When " APPROVED " is displayed, the Mask key is
cleared, the demonstration mode is initiated, the test
mode is terminated and the unit returns to the factory
condition.
6. Method of clearing all Mask key-related data
1.Enter the test mode. (See 1. How to enter the test mode)
2.Press the CLK key to enter the Mask key registration
mode. " TRANSMIT1 " should be displayed now.
3.Point the Master key remote toward the light sensor, and
press and hold its key for more than 3 seconds (until the
level display shows the full condition).
4. When " TRANSMIT2 " is displayed, hold the key on the
Mask key remote for more than 3 seconds again. If "
TRANSMIT1 " is displayed in place of " TRANSMIT2 ",
restart the procedure from step 3.
5.When " APPROVED " is displayed, all security data is
cleared and the unit returns to the condition before Mask
key writing with the EEPROM in the initial status.
ATTENTION
Assembly of FPC(Flexible PC board) onto Roller ass'y
Turn Roller ass'y by 2 times.
Hook the end of Roller ass'y to the tongue.
Insert the FPC into the slit of Roller ass'y then release the
end of Roller ass'y and the tongue.
FPC
tongue
Turn 2 times.
End of Roller ass'y
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