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Figure 107 RF key component placement
• Adjust the RX chain after repairing or changing the parts marked RX.
• Adjust the TX chain after repair or changing the parts marked TX.
• The numbering refers to the RF-overview and non-RF-overview pictures.
Table 24 RF retuning after changing a component
1
N500
Helgo RF ASIC
RX
TX
2
G500
VCO
RX
TX
3
G501
VCTCXO
RX
4
Z800
RX/TX Switch
RX
TX
5
N700
PA
TX
6
V800
LNA1900
RX
7
Z803
RX SAW 900
RX
8
Z802
RX SAW 1800
RX
9
Z801
RX SAW 1900
RX
10
T800
RX Balun 1900
RX
11
Z700
TX SAW 900
TX
RM-25
Nokia Customer Care
RF troubleshooting
Page 7–6
Company Confidential
9235618 (Issue 2)
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