Nokia RM-506 Service Manual page 257

RM-505; RM-506
Service information differences between RM-505 and
RM-506
• Z7541 WCDMA 1900 duplexer
• Z7542 WCDMA 900 duplexer
• Z7543 WCDMA 1900/2100 TX SAW
• Z7544 WCDMA 900 TX SAW
Z7522 GSM 900/1900 Rx filter GSM RF component is additionaly assembled in RM-506.
RM-505 RF block
Figure 2 below illustrates the RF block component of RM-505.
RM-506 RF block
Note: The attenuation values for the SA-XXX RF coupler as well as the TX power level tuning targets
are the same for the GSM bands in both RM-506 and RM-505.
The graphics below illustrate the differences in RF block component placement between RM-506 and RM-506.
Issue 1
Figure 93 RM-505 RF key components
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