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RA-2/3

Nokia Customer Care 7 - RF Description and Troubleshooting

8 COMPANY CONFIDENTIAL Issue 1 09/04

Copyright © 2004 Nokia. All Rights Reserved.

■ Test points

Table 1: Rx test points

Table 2: Antenna switch test points

Table 3: Helgo serial interface test points

Signal name: Ref:

LNA_VCC V7802

LNA_IN V7802

LNA_P V7802

RXI J7510

RXQ J7511

Signal name: Ref:

VANT_1 Z7800

VANT_2 Z7800

VANT_3 Z7800

GSM_Rx Z7800

DCS_Rx Z7800

PCS_Rx Z7800

TX_IN_EGSM/850 Z7800

Signal name: Ref:

RFBusClk J7501

RFBusEna1 J7502

RFBusData J7509

Reset J7503