Kenwood KDC-MP628 Service Manual page 16

KDC-MP628/MP7028/MP728
MP8029/W7031/W7031Y
● Special display when all lights are on
When all lights are on with the STANDBY source, the follow-
ing displays are made when the keys shown below are pressed.
[1] key Version display
(Display) C-408WK_SYS_1. 23
(Display) _________PAN_1. 11
(Display) ________MEM_3. 21
[2] key Serial number display (8 digits)
(Display) SNo_XXXXXXXX
[3] key Press for less than 1 second : Power ON time is displayed.
During Power On time display, by pressing for at least 2
seconds, the Power ON time is cleared.
(Display) PonTim_XXXXX
[4] key Press for less than 1 second : CD operation time is displayed.
During CD operation time display, by pressing for at least
2 seconds, CD operation time is cleared.
(Display) CDTim_0XXXXX
[5] key Press for less than 1 second : CD EJECT number is displayed.
During CD EJECT number display, by pressing for at
least 2 seconds, CD EJECT number display is cleared.
(Display) EjeCnt_XXXXX
[6] key Press for less than 1 second : PANEL Open/close
number is displayed. (*1)
During PANEL Open/close number display, by pressing
for at least 2 seconds, PANEL Open/close numbers is
cleared.
(Display) PnCnt_XXXXXX
[FM] ROM correction version display
key (Display) SYS_ROM_R123
(Display) PAN_ROM_R123
When E2PROM is not installed : ROM_ERR_
When un-written : ROM_R – – –
When data is incompatible : ROM_R ∗ ∗ ∗
AUDIO data default value setting
key (Display) AUDIO_INIT
16
TEST MODE
MAX 65535 (hours)
MAX 65535 (hours)
MAX 65535 (times)
MAX 65535(times)
Press for less than 1 second : CD mechanism error log display
key During CD mechanism error log display; by pressing for
at least 2 seconds, all error log information is cleared.
(Display) I2C_●●
(Display) ERR_1–▲▲, 2–▲▲, 3–▲▲
∗ In "●●", "OK" or "NG" is displayed.
In "▲▲", "– –" or an error code is displayed.
(*1) : 1 count is made when the panel opens to full or when a disc is
loaded.
● Initializing AUDIO-related value setting
During STANDBY sourcing, by pressing [
1 second, AUDIO setting values are returned to the default
values.
● Flash ROM check
1. In order to prevent the Flash ROM (4M) equipped models
to be installed with the Mask ROM (2M) panel, and to pre-
vent the Mask ROM (2M) equipped models to be installed
with the Flash ROM (4M) panels, with the STANDBY
sources during the test mode, the following display will be
made according to the system µ-com and panel combina-
tion.
• Flash ROM (4M) equipped model and Flash ROM (4M) panel
All lights turned on – – – OK!
• Mask ROM (2M) equipped model and Mask ROM (2M) panel
All lights turned on – – – OK!
• Flash ROM (4M) equipped model and Mask ROM (2M) panel
"M4P2" – – – NG!
• Mask ROM (2M) equipped model and Flash ROM (4M) panel
"M2P4" – – – NG!
2. When entering the test mode, the manufacture code of the
Flash ROM (4M) is read and when it is normal, FROMCHK
of the 100th terminal (Panel µ-com) repeats Hi → Low →
Hi · · ·. If the reading is abnormal, "Low" is output.
If the manufacture code is normal, by pressing [
less than 1 second, the connection checks on all terminal
is started. If the connections are normal, the FROMCHK
terminal stops the Hi → Low → Hi · · · repeating and out-
puts "Hi". If the reading is abnormal, "Low" is output.
] key for less than
] key for