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Flow Chart of Troubleshooting
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9-17
9-9. Back Light (for Color Main LCD)
Backlight does not work
Yes
Is LCD Contrast set on high
level in the Menu?
No
Set LCD Contrast on high level
Yes
Resolder HEA601 or change PBA
No
HEA601 pin 11 = H ?
Yes
END
check related circuit from UCP200
No
Check I2C data is OK?
Yes
Содержание SGH-D780
Страница 31: ...7 Block Diagrams 7 1 7 1 Functional Block Diagram ...
Страница 32: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 33: ...8 PCB Diagrams 8 1 Main top view ...
Страница 34: ...PCB Diagrams 8 2 Main bottom view ...