User Guide

Figure 118 RF key components

• Adjust the RX chain after repairing or changing the parts marked RX.

• Adjust the TX chain after repairing or changing the parts marked TX.

• The numbering refers to the RF-overview and non-RF-overview pictures.

Table 7 RF retuning after changing a component

No Ref Name Used by

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-51

Nokia Customer Care RF troubleshooting

Page 7–6 Company Confidential 9238460 (Issue 1)