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SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
2-1-8. LCD
LCD does not work
YES
Check the HDC200
(LCD Connector)
YES
Check HDC200
(BackLight enable)
PIN #16 ≒ 2.6V
YES
Check the J3 of LCD circuit
YES
Check J2 of LCD circuit
Pin #7 ≒ 3.6V
YES
Check HDC200
PIN#13 ≒ 2.8V
YES
Resoldering the J2
of LCD circuit
This Document can not be used without Samsung's authorization
NO
Connect the HDC200
NO
NO
NO
Check the U3 of LCD circuit
NO
END
SAMSUNG Proprietary-Contents may change without notice
Check the UCP100
(Backlight enable Path)
Connect the J3 of
LCD circuit
Check the U505
2-19
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