![background image](http://html.mh-extra.com/html/samsung/sgh-f490/sgh-f490_service-manual_1190713021.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-5
9-2. Initial
Initial Failure
Yes
pin G13, G12 of UCP300 ="H"?
No
Check the circuit connected to reset
Yes
IS [TP300,TP303,TP305,
TP306,TP307,TP308,TP
309,,TP301]
OK?
Check the circuit related to UME300
No
Yes
Check the circuit around LCD & HDC700
(Short or not solder)
Yes
END
Summary of Contents for SGH-F490
Page 79: ...8 PCB Diagrams 8 1 1 Main top ...
Page 80: ...PCB Diagrams 8 2 2 Main bottom ...
Page 103: ...www s manuals com ...