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Flow Chart of Troubleshooting
10-1-7. LCD
LCD does not Display
First, Check the connection of HDC601 and LCD
Have a some problem of
connector(HDC601, CN100)
Backlight does work
check the data line from
try with the new LCD module and
NO
YES
HDC601
YES
change
①
YES
Replace a connector
②
NO
③
NO
10-16
(HDC601,
CN100)
Check of
U103
(pin 19, 20)
Check
U505
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