Sim Part - Samsung SGH-M300 Service Manual
Gsm telephone
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Also See for SGH-M300:
- User manual (2 pages) ,
- Quick start manual (7 pages) ,
- Service manual (62 pages)
Table of Contents
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Flow Chart of Troubleshooting
3-1-3. Sim Part
"Insert SIM is displayed on the LCD
Check the SIM connector's
(SIM100) connection to
Check the voltage at pin#1
of SIM100 >= 2.8V ?
Is there any signals
pin#2,#3,#4 of SIM100 ?
Check the SIM Card
SIM_IO
Yes
SIM card
Yes
Yes
Yes
END
SIM601
6 6
5
5
4 4
G G
G G
7
8 9
10
C638
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder or change
No
Check the
UCP301
No
Check the
UCP301
1
1
2
2
3
3
C639
C640
C641
3-8
SIM601
VSIM
SIM_RST
SIM_CLK
C642
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