Test Mode - Kenwood Z910DVD Service Manual

Z910DVD
1. How to enter the test mode
While holding the EQ and ATT keys, short press the SRC key
during ALL OFF mode.
2. How to exit from the test mode
Only reset the unit.
(Note) The test mode cannot be terminated by ACC OFF, power
OFF, momentary power down or panel detached.
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 Æ Forced Wide Æ Forced Middle Æ Forced Nar-
row Æ 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. Audio-related specifications
• A short press of the Q key 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 / Flat /
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.
• Bass f, Bass Q, Bass EXT, Middle f, Middle Q and Treble f are
not dealt with by the audio adjustment.
7. X'OVER-related specifications
• A short press of the ATT key initiates the X'OVER adjustment
mode.
• Continuous holding of a remote control key is inhibited.
• 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.
8. Menu-related specifications
• A short press of the Track Up key during the ALL OFF mode
initiates the Menu mode.
• A short press of the S.A key except the ALL OFF mode ini-
tiates the Menu mode.
• Continuous holding of a remote control key is inhibited.
• Calendar adjustment and calendar display switching are elimi-
nated from the Menu mode.
8

TEST MODE

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 DVD 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.
[PRESET 1] Version display (8 digits,
[PRESET 2] Serial No. display (8 digits)
[PRESET 3] Short press : View power ON time. (The All
[PRESET 4] Short press : Display DVD operation time.
[PRESET 5] Short press : Display DVD ejection count.
[PRESET 6] Short press : Display Panel open/close count.
11. Other specifications
• Messages such as "CODE OFF" are not displayed when
power is turned ON.
Security specifications
• Forced 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.
• Method of clearing the simplified security code (K Type only)
1. While holding the DISP key during the code request mnode,
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.
Month/Day/Hour/Minute)
(Display) SYS xxxxxxxx System microcomputer
PAN xxxxxxxx Panel microcomputer
(Display) S. No. xxxxxxxx
(Note) S. No. FFFFFFFF : fixed in this model
OFF period is not counted.)
Long press/hold : Clear power ON time.
(Display) PonTim xxxxx Max. 65535 (hours)
Long press/hold : Clear DVD operation time
(Display) DVDTim xxxxx Max. 65535 (hours)
Long press/hold : Clear DVD ejection count.
(Display) EjeTim xxxxx Max. 65535 (times)
Long press/hold : Clear Panel open/close count.
(Display) PnCnt xxxxx Max. 655350 (times)