12. lcd back light – Sharp SGH-J200 User Manual

Page 52

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Flow Chart of Troubleshooting

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9-21

9-12. LCD Back Light

Yes

Is BACKLIGHT set

AlwaysON in the Menu?

Yes

Backlight does not work

No

Set BACKLIGHT on Always ON

No

Replace or Resolder U603

C627 ≥ 3.5V

Yes

Replace the LCD

Yes

END

U603 Pin 10, 11, 12 ='H'?

Yes

No

Check UCP300, U603

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