Nokia 6235 Baseband Description And Troubleshooting page 33

Nokia Customer Care
• Check Vsim 1.8V or 3.0V. Vsim comes from UEMEK and goes through the SIM ESD
Protection chip. Check for bad or damaged solder joints. Replace chips, if
necessary.
• Check Detection sequence
©2005 Nokia Corporation
Issue 1 04/2005
Baseband Description and Troubleshooting
Figure 33: Vsim check
Company Confidential
6235/6235i/6236i (RM-60)
SIMRSTX
VSIM
GND
Page 33
SIM_CLK SIM_CLK
SIM_IOX