Sim & Usd Trouble - LG KF600d Service Manual

5. Trouble shooting
5.10. SIM & uSD trouble
SIM Check Points
-Power is working
-Socket soldering
-Proper SIM is used
SIM & MMC Connetor
MMC_D(1)
MMC_D(0)
MMC_CLK
MMC_CMD
MMC_D(3)
MMC_D(2)
MMC_DETECT
LGE Internal Use Only
2V8_VMME
C252
1uF
S8
10
T8
9
T7
8
T6
7
T5
6
T4
5
T3
4
T2
3
T1
2
S4
1
ST1
R221
17
ST2
18
47
2V62_VIO
C257
NA
R222
100K
C261
1000p
- 88 -
2V9_SIM
C254 C255
C256
1u 27p
27p
SW201
SPVM110200
1
SIM_DETECT
3
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SIM_RST
SIM_CLK
SIM_IO
NA
C253
2V62_VIO
2
4
Check
sol deri ng
all pin of
socket
11
12
13