Flow Chart of Troubleshooting
3-16
3-1-7. LCD
LCD does not Display
First, Check the connection of HDC602 and LCD
①
Have a some problem of
connector (HDC602, J1)
YES
Replace a connector (
HDC602,
J1
)
②
NO
NO
Check of
U606
(pin 19, 20)
③
NO
Check
U502
Backlight does work
YES
try with the new LCD module and
change
check the data line from
HDC602
YES