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Flow Chart of Troubleshooting
9-8. Back Light (for Color Main LCD)
Backlight does not work
Yes
No
Is LCD Contrast set on high
Set LCD Contrast on high level
level in the Menu?
Yes
No
The HDC501 connected
Reconnet correctly
correctly?
Yes
No
HDC501 PIN 55, PIN 57 is
Change the main PBA
' High ' ?
Yes
No
Is Backlight working ?
Change the LCD
Yes
END
9-17
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