Nokia 6260 RM-25 Service Manual page 178

Nokia Customer Care
• 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.
1
2
3
4
5
6
7
8
9
10
11
Page 7–6
Figure 107 RF key component placement
Table 24 RF retuning after changing a component
N500
G500
G501
Z800
N700
V800
Z803
Z802
Z801
T800
Z700
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Helgo RF ASIC
VCO
VCTCXO
RX/TX Switch
PA
LNA1900
RX SAW 900
RX SAW 1800
RX SAW 1900
RX Balun 1900
TX SAW 900
RX
RX
RX
RX
RX
RX
RX
RX
RX
RM-25
RF troubleshooting
TX
TX
TX
TX
TX
9235618 (Issue 2)