8
TH-42LRU20
5 Service Mode
5.1. How to enter into Service Mode
5.1.1. Set "Hotel Mode" Off
Service Mode can not be entered if Hotel mode is "On" (Activating). Hotel Mode should be set to "Off" by using only Remote Control
as following procedure.
1. Press [MENU], [G], [Y] and [0] buttons on the remote control by turns to display "Hotel Mode setup menu".
2. Select the item "Mode" and set "Off" status.
3. Select the item "Save" and press [OK] button.
4. Disconnect the AC cord from wall outlet, or press and hold the [POWER] button at right side on the main unit for 10 seconds
or more.
5.1.2. Enter into Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
5.1.3. Key command
[1] button...Main items Selection in forward direction
[2] button...Main items Selection in reverse direction
[3] button...Sub items Selection in forward direction
[4] button...Sub items Selection in reverse direction
[VOL] button...Value of sub items change in forward direction ( + ), in reverse direction ( - )
5.1.4. Contents of adjustment mode
• Value is shown as a hexadecimal number.
• Preset value differs depending on models.
• After entering the adjustment mode, take note of the value in each item before starting adjustment.
5.1.5. How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
Main item Sub item Sample Data Remark
ADJUST CONTRAST 000
COLOR 34
TINT 00
SUB-BRT 800
BACKLGT 51D
B-Y-G 38
R-Y-A 10
V COM 000
WB-ADJ R-GAIN FF
G-GAIN F8
B-GAIN FC
R-CENT 7E
G-CENT 80
B-CENT 82
OPTION Boot ROM Factory Preset.
STBY-SET 00
EMERGENCY ON
CLK MODE 00
CLOCK 000
EDID-CLK MID
SRV-TOOL 00 See next.
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