User Guide
Figure 77 GPS layout and basic test points
RF troubleshooting
RM-349 RF block
As RM-349 is a 2G variant of the RM-348, there are no WCDMA RF components in the RF block of the RM-349.
Therefore, the following WCDMA RF components are not assembled in RM-349:
• N7540 WCDMA PA
• N7541 WCDMA PA DC/DC conv.
• Z7541 WCDMA2100 Duplexer
• Z7582 WCDMA900/2100 TX filter
• Z7580 WCDMA2100 RX filter
• T7580 WCDMA2100 RX Balun
RM-348; RM-349; RM-350
Service information differences between RM-349 and
RM-348
Page 9 –10 COMPANY CONFIDENTIAL Issue 2
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