LG 32LD540 / 32LD540 / 32LD541 / 32LD570 / 32LD575 (CHASSIS:LD01B) Service Manual ▷ View online
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3. FRC DOWNLOAD
a)
You should change the panel size by going to the Factory Mode, press “Menu”, “1”, “2”, “4”, 7”
and “5” keys on a remote.
b)
You have to select “Engineering Menu” in Factory mode.
c)
Enter “ FRC Download” by pushing “OK” key.
Factory mode Engineering menu DRC Download select
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4. V-COM Adjust(Only LGD Module)
a) Why need Vcom adjustment?
■
The Vcom (Common Voltage) is a Reference Voltage of Liquid Crystal Driving.
Liquid Crystal need for Polarity Change with every frame.
b) Adjust sequence
■
You should change the panel size by going to the Factory Mode, press “Menu”, “1”, “2”, “4”, 7”
and “5” keys on a remote.
■
You have to select “Miscellaneous” in Factory mode.
■
Enter “ V-Com” by pushing “OK” key.
■
As pushing the right or the left key on the remote control, and find the V-COM value which is no
or minimized the Flicker.
(If there is no flicker at default value, Press the exit key and finish the VCOM adjustment.)
[LED/LCD Panel VCOM SPEC .]
■ Push the “OK” key to store value. Then the message “Saving OK” is pop.
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BLOCK DIAGRAM
1. 32/42LD570-ZB Block diagram(T+C+S)
2. 32/42LD540-ZC, 32/42LD541-ZC Block diagram(T+C)
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3. 32/42LD575-ZB Block diagram(T+S)
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