![background image](http://html.mh-extra.com/html/samsung/sgh-u100/sgh-u100_service-manual_1191183018.webp)
Flow Chart of Troubleshooting
3-5
3-1-2. Initial
Initial Failure
Yes
①
Check VCCD,
VCCD_1.8V of U300
"High" when the phone
is boot on`
No
Check
U300
Yes
②
Check
the HP_CORE_1.6V of
U305 is "High"
No
Check
U305
③
Yes
No
Check
CN305
and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K?
No
Yes
END
Summary of Contents for SGH-U100
Page 15: ...Flow Chart of Troubleshooting 3 2 ...
Page 37: ...Flow Chart of Troubleshooting 3 24 ...
Page 42: ...Flow Chart of Troubleshooting 3 29 ...
Page 44: ...Flow Chart of Troubleshooting 3 31 ...
Page 54: ...6 PCB Diagrams 6 1 ...
Page 55: ...PCB Diagrams 6 2 ...