Service Osd - LG Flatron L1720B Service Manual

Video Signal
Generator
- When entering Service mode: You can check the OSD as described below by pressing down the
power key and the menu key while the power is off.
1. MODULE : Whenever you press the left/right key, the module applied to the current model will be
displayed. When the module applied to the current set is displayed, turn the power on and off to execute
all module settings.
2. ADC OFFSET/ADC GAIN : Adjusts the offset and gain values that are the basis of the color coordination
value. The result differs according to the pattern and video card signal level. These two menus are not
used separately but executed when the ADC CAL is executed.
3. ADC CAL.: Carried out when adjusting the color coordination.
4. ELAPSED CLEAR: Resets the usage time after monitor assembly to "0".
5. ELAPSED TIME: Displays the usage time after the monitor is shipped out. When executing the ELAPSED
CLEAR menu, this will be shown as "0".
6. VERSION: Displays the MICOM version of the set by model name, version name and date.
IBM
Compatible PC
C
A Power LED
E ST Switch
B
F V-Sync On/Off Switch
(Switch must be ON.)
Figure 1. Cable Connection
PARALLEL PORT
OFF
5V
F
Power inlet (required)
Power Select Switch
(110V/220V)

SERVICE OSD

A
9 6
1
5
15 11
10
6
5 1
13
25
ON
ON
E
OFF
B
C
1
14
5V
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4.7K
5V
74LS06
4.7K
74LS06