Kenwood DNX4280BT Service Manual page 18

DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
2.2.1.3 CMOS-300 communication line test
Start the communication with CMOS-300 by pressing [Rear
Camera] key.
When the communication is successful, "OK" is displayed,
and if it has failed, "NG" is displayed (refer to the Figure
2.2.1.3).
This test is disabled for the models with " " listed in the
Ext SW column of Table 1.2.1.
Rear Camera
OK
Return
Figure 2.2.1.3 CMOS-300 communication line test result screen
Key Specifi cation
Return : Transfer to Test Mode Main screen.
2.2.1.4 Direct Select
It will transfer to Top Menu screen of product mode while
continuing in the test mode when [Direct Select] key is
pressed.
The following operation is transferred to Test Mode Main
screen while displaying the GUI screen of the product
mode.
• Press the [MENU] key in the panel ([MENU] key at the bot-
tom left of the screen will operate as normal even during
the test mode)
• Press Tenkey4 on the remote controller
2.2.1.5 DRAM Check
Display the DRAM Check result at the top right of the Test
Mode Main screen. (For details about the DRAM Check re-
sult, refer to the Table 2.2.1.4)
DRAM Check Displayed character
result
OK
NG
Table 2.2.1.4 DRAM Check result display
Check method
q Transfer to the test mode. (At this time, "DRAM NG"
is displayed at the top right of the screen, but ignore it
here)
w Perform ACC OFF/ON.
e Test Mode Main screen is displayed. Display at this time
is the result of DRAM check.
18
Rear Camera
NG
Background color of
string the character string
DRAM OK No specifi cation
DRAM NG Red
TEST MODE
2.2.1.6 LCD Backlight automatic adjustment value display
Display the current LCD Backlight automatic adjustment
value close to the [LCD Backlight] key.
Make the display region red when the automatic adjustment
value is not between 2 and 8.
2.2.2 Information screen
This screen is to display such information as version num-
ber and other conditions.
The contents displayed on the Information screen are
shown in Figure 2.2.2.
Information
Return
DNX
Application Processor
System μ-com
M-Star
DVS87xx F/E
DVS87xx B/E
macrovision
Serial
Key Specifi cation
Return : Transfer to Test Mode Main screen.
Hide "Capacitance Detection IC" for the models with " "
listed in the Electrostatic touch column of Table 1.2.1.
Hide "BT Module" and "PIN Code" for the models with " "
listed in the BT built-in column of Table 1.2.1.
Hide "DivX Codec Version" for the models with " " listed in
the DivX column of Table 1.2.1.
2.2.3 Service screen
This screen is to show a variety of service information.
The contents displayed on the Service screen are shown in
Figure 2.2.3.
Service
Init
Init
Init
Init
■Start
DivX Registration Code Clear
DC Offset Clear
Type Span
∗
V∗.∗.∗
Panel μ-com
V∗.∗∗∗
Capacitance Detection IC
V∗∗ BT Module
PIN Code
V∗∗.∗∗
Region
V∗∗.∗∗
DivX Codec Version
V1.01
DC Offset
∗∗∗∗∗∗∗∗
Figure 2.2.2 Information screen
Power ON ∗∗∗ minutes
DVD-Video ∗∗∗ minutes Disp
Monitor Open ∗∗∗ times
Disc Eject ∗∗∗ times
∗∗∗∗
None
Figure 2.2.3 Service screen
∗
V∗.∗∗∗
V∗.∗∗∗
V∗.∗.∗
∗∗∗∗
∗
V1.00
None
Return
Serial
Tuner Mute Level
DVS8700 Adjust
Return