5. Trouble shooting
5.11 SIM & USD trouble
SIM Check Points
-Power is working
-Socket soldering
-Proper SIM is used
SIM CONNECTOR
| 2V9_VSIM |
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| R522 |
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| R523 |
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| DNI |
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| J500 |
| TP2 |
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| 15K |
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| TP3 |
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| C5 | C1 |
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| TP1 |
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| 5 | C6 | C2 | 2 |
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SIM_DATA |
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| 6 | C7 | C3 | 3 |
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| SIM_CLK |
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| 10 | GND4 GND1 | 7 |
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| 9 | 8 |
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| GND3 GND2 |
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C546 | C543 | C547 | C548 |
DNI | 220n | 22p | 1000p |
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TP1
SIM_CLK
TP2
2V9_VSIM
TP3
SIM_DATA
LGE Internal Use Only | - 84 - | Copyright © 2008 LG Electronics. Inc. All right reserved. |
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| Only for training and service purposes |