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Level 3 Repair
8-3-8. Back Light (for Color Main LCD)
Backlight does not work
Is LCD Contrast set on high
level in the Menu?
(menu->settings->display->light
->LCD contrast)
Is U306 pin 3="H>3.3V" ?
(Wiring pin #1/LCD_BL_EN)
Yes
Yes
Yes
END
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Set LCD Contrast on high level
No
(menu->settings->display->light
->LCD contrast / select 5Level (level :1~5)
#1 : Resolder U306
No
(with an soldering iron)
#2 : Repalce LCD Module
(to check if it has the problem)
8-20
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