LG KM710 Service Manual - Page 76
Sim_clk, Sim_io, Sim_rst, Sim_pwrctrl
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4. Trouble Shooting z Connection between SIM and DBB - SIM_CLK, SIM_IO, SIM_RST, SIM_PWRCTRL z Check Points - Contact between SIM and socket - Soldering of SIM socket z Trouble Shooting - Insert the SIM into socket - Connect PIF_UNION Jig to the phone, and Power on z Trouble Shooting Procedure - Check the power supply - Check the soldering of SIM socket - Check the SIM Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 77 - LGE Internal Use Only
![](/manual_guide/products/lg-km710-service-manual-5eb4dc9/76.png)
z
Connection between SIM and DBB
- SIM_CLK, SIM_IO, SIM_RST, SIM_PWRCTRL
z
Check Points
- Contact between SIM and socket
- Soldering of SIM socket
z
Trouble Shooting
- Insert the SIM into socket
- Connect PIF_UNION Jig to the phone, and Power on
z
Trouble Shooting Procedure
- Check the power supply
- Check the soldering of SIM socket
- Check the SIM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. Trouble Shooting
- 77 -