![background image](http://html.mh-extra.com/html/samsung/sgh-d800/sgh-d800_service-manual_1190482013.webp)
SAMSUNG Proprietary-Contents may change without notice
SGH-D800 Flow Chart of Troubleshooting
2-
9
This Document can not be used without Samsung's authorization
2-1-3. Sim Part
Check the voltage at
pin#1 of CN111 >=
2.8V ?
"Insert SIM is displayed on the LCD
Check the SIM
connector's (CN 111)
connection to SIM card
Check the
U101
Resolder or change
CN111
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#6 of CN111 ?
Check the
U201
Check the SIM Card
Summary of Contents for SGH-D800
Page 48: ...6 1 6 SGH D800 Block Diagrams ...
Page 49: ...SGH D800 Block Diagrams 6 2 ...