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5-3 L2401EA
4. H f
0
Adjustment
Purpose: To get correct horizontal frequency.
Use service remote control unit.
1. Press "2" button on the service remote control unit.
and select H-ADJ mode. (By pressing "2" button
the display will change from TV AGC to H-ADJ.)
2. Press "CH o /p" button on the service remote con-
trol unit so that display will change "0" ~ "7". At this
moment, Choose "4".
3. Turn the power off and on again. (Main Power but-
ton on the TV unit.)
5. Black Stretch Control Adjustment
Purpose: To show the fine black color.
Symptom of Misadjustment: Black color will not
appear correctly.
Note: Use service remote control unit.
1. Enter the Service mode. (See page 5-1)
2. Press "6" button on the service remote control unit.
"B-S" is indicated.
3. Press "CH o / p" buttons on the service remote con-
trol unit so that display will change "OFF," "0," and
"1." Then choose "B-S OFF."
4. Press "6" button on the service remote control unit.
"B-S2" is indicated.
5. Press "CH o / p" buttons on the service remote
control unit so that display will change "0" and "1."
Then choose "B-S2 0."
6. Turn the power off and on again, using the main
power button on the TV unit.
6. Purity Check
1. Enter the Service mode. (See page 5-1)
2. Press "7" button on the remote control unit. Each
time pressing 7" button on the remote control unit,
display changes Red mode, Green mode, Blue
mode, and White mode cyclically.
3. Select White mode.
4. Turn the power off and on again. (Main power but-
ton on the TV unit.)
7. SD Check Mode
1. Enter the Service mode. (See page 5-1)
2. Press "1" button on the remote control unit. The
unit enter the SD-Check mode.
3. The unit starts selecting the added channel from
first channel according to the memorized CH ADD/
DELL data and CATV/TV data in RAM.
SD Check mode (Factory mode)
7
Please wait
OSD color:
Magenta
Press "1" buton.
13
Please wait
OSD color:
Magenta
There is no SD after
selecting channel.
There are SD
in all channel.
When SD-Check starting,
there is no ADD channel.
26
OK
OSD color:
Magenta
ADD nothing
OSD color:
Magenta
30
NG
OSD color:
Magenta