Test Mode - Kenwood KDC-Z828 Service Manual

System Microcomputer Test Mode
(1) How to enter the test mode
While holding the EQ and ATT keys with All OFF, press the SRC
key.
(2) How to exit from the test mode
Reset the unit.
(Note) The test mode cannot be terminated by Acc OFF, power OFF
or momentary power down.
(3) Initial condition in the test mode
7Source: All OFF.
7Display: All ON.
7Volume: -10 dB (displayed as "30").
7LOUD: OFF.
7CRSC: OFF regardless of whether or not the switching function is provided.
7SYSTEM Q: Flat.
(4) Special display in TUNER mode
If any of the following messages are displayed in TUNER mode, the
front end or other part may be abnormal.
7"TNE2P NG": The EEPROM remains in the initial value
(undefined values) because the F/E was shipped without passing
the adjustment process, etc.
7"TNCON NG": Communication with the F/E is not available.
(5) CD receiver test mode specifications
7Forced ejection at reset start is inhibited. The CD is not
recognized when the set is reset with the CD loaded in it.
7Pressing the Track Up key jumps to the following tracks in cycle:
No. 9.No. 15 .No. 10.No. 11.No. 12.No. 13.No. 14.No.
9 (return to the beginning)
7Pressing the Track Down key jumps to the previous track to the
track being played.
(6) Audio specifications
7A short press (tapping) of the Q key initiates the audio adjustment
mode.
7Pressing the ∗ key on the remote initiates the audio adjustment
mode.
7Successive press of the remote key is inhibited.
7Bass, Middle and Treble can be adjusted in 3 steps of MIN,
Center and MAX with the Track Up/Down keys.
7Balance can be adjusted in 3 steps of Left MAX, Center and Right
MAX with the Track Up/Down keys.
7Fader can be adjusted in 3 steps of Rear MAX, Center and Front
MAX with the Track Up/Down keys.
7HPF can be adjusted in 2 steps of Through and 220 Hz with the
Track Up/Down keys:
7LPF can be adjusted in 2 steps of Through and 120 Hz with the
Track Up/Down keys.
7Bass F, Bass Q, Bass EXT, Middle F, Middle Q and Treble F are
not dealt with in the audio adjustment mode.
(7) Menu specifications
7Pressing the DNPP/SBF key on the remote initiates the Menu
mode.
7Successive press of the remote key is inhibited.
7The calendar adjustment and calendar display switching is
eliminated.
(8) Back-Up current measurement
7When the set is reset with Acc OFF (when the Back-Up current is
turned ON), the MUTE terminal goes OFF in 2 seconds instead of
15 seconds.
7When Acc is turned OFF in the test mode, the MUTE terminal
goes OFF in 2 seconds instead of 15 seconds. The CD/MD
mechanisms are not activated at this time.
KDC-Z828,Z828

TEST MODE

(9) Special display when display is All ON
Pressing one of the PRESET keys while all display is ON in the All
OFF mode displays the information as shown below.
[PRESET1]
[PRESET2]
[PRESET3]
[PRESET4]
[PRESET5]
[PRESET6]
(10) Other
7Messages such as "CODE OFF" are not displayed at power ON.
7Pressing the TI (AUTO) key during the changer operation turns
ON 2zone, which can be turned OFF also with the TI (AUTO) key.
The P/S dot lights while 2zone is ON.
I Security specifications
7Forced power ON mode (All models) Even when the security
mode is permitted, the power can be turned ON for only 30
minutes by pressing the SRC key while holding the ATT and
PRESET 4 keys depressed. After 30 minutes have elapsed, the
set can be restored only by resetting it.
7Method of security code registration after EEPROM (F/E)
replacement (Code security models)
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 by pressing the PRESET 1/2/3/4 keys.
Example: To enter "3510"
7Press the PRESET 1 key 4 times.
7Press the PRESET 2 key 6 times.
7Press the PRESET 3 key 2 times.
7Press the PRESET 4 key once.
4. Press and hold the DISP key for 3 seconds until "APPROVED"
is displayed.
5. Exit from the test mode. (See "(2) How to exit from the test mode".)
(Note) The security code of these models cannot be subjected
7Method of clearing the simplified security code (K Type only)
1. While holding the DISP key during the code request mode,
press and hold the VOL Up key for 3 seconds (until "----"
disappears).
2. Enter "KCAR" from the remote. (Same as the 00 model) Press
the "5" key on the remote 2 times 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 2 times then press the Track
Up key. (This enters "R".)
3. The security mode is exited and the set enters the All OFF
mode.
4. If an erroneous code is entered, the set enters the code
request mode again.
Version display (8 digits, Month/Day/Hour/Minute)
(Display) YS xxxxxxxx System microcomputer
PAN xxxxxxx Panel microcomputer
Serial No. display (8 digits)
(Note) The display is not compatible with MSG.
(Display) SNo. xxxxxxxx
Short press: Display power ON time
(The All OFF time is not counted.)
Long press: Clear power ON time
(Display) Pon Tim xxxxx
Short press: Display CD/MD operating time
Long press: Clear CD/MD operating time
(Display) CD Time xxxxx (CD/R, MP3/R)
MD Time xxxxx (MD/R)
Short press: Display CD/MD ejection count
Long press: Clear CD/ME ejection count
(Display) Eje Tim xxxxx
Short press: Display open/close count
Long press: Clear open/close count
(Display) PnCnt xxxxxx
to the All Clear operation.
Max. 65535 (hr)
Max. 65535 (hr)
Max. 65535 (times)
Max. 655350 (times)
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