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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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7-
19
7-9. LCD Part (for Color Main )
Is LCD Contrast set on
high level in the Menu?
Set LCD Contrast on high level
END
No
Yes
Yes
LCD does not work
HEA1 pin 2 = 2.8V?
Check the U502
No
Yes
HEA1 pin 19(HWR_N)
21(HA(1)) is OK?
Check the U202
No
Yes
Yes
Replace the LCD Module