Flow Chart of Troubleshooting
3-15
3-1-7. LCD
LCD does not Display
First, Check the connection of HDC500 and LCD
①
Have a some problem of
connector (HDC500)
YES
Replace a connector (
HDC500
)
②
NO
NO
Check the related circuit of
IC16
③
NO
Check
U403
Backlight does work
YES
try with the new LCD module and
change
check the data line from
HDC500
YES