Nokia 6020b Service Manual
RM-31
Nokia Customer Care
7 - System Module
54
COMPANY CONFIDENTIAL
Issue 1 03/2005
Copyright © 2005 Nokia. All Rights Reserved.
Printed Wiring Board
Figure 19:Assembled PWB with shielding chambers
Small Signal Chamber
with RF ASIC (Helgo), reference oscillator
(VCTCXO) and VCO (separate lid)
(VCTCXO) and VCO (separate lid)
Baseband Chamber
Large Signal Chamber
with RF Power Amplifier (PA) and
Antenna Switch Module (ASM)
Antenna Switch Module (ASM)
Antenna Pad