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Flow Chart of Troubleshooting
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7-15
7-8. Back Light
Is "BACKLIGHT" set
"Always ON" in the Menu?
Set "BACKLIGHT" on "Always ON"
END
No
Yes
Yes
Back Light does not work
L401 = 2.8V?
Replace L401
No
Yes
Yes
Replace the LCD Module
Yes
C411 = 2.8V?
Replace U402(LCD Switch)
No