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Nokia 7610 Supernova Service Manual

Nokia 7610 Supernova
128 pages
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Table of Contents
General RF troubleshooting ..................................................................................................................................4–5
Introduction to RF troubleshooting ................................................................................................................4–5
RF key components ...........................................................................................................................................4–6
Auto tuning for RF ..................................................................................................................................................4–6
General voltage checking ......................................................................................................................................4–7
Selftest troubleshooting........................................................................................................................................4–8
RF selftests ........................................................................................................................................................4–8
Fatal selftests troubleshooting..................................................................................................................... 4–10
Receiver troubleshooting ................................................................................................................................... 4–13
Introduction to receiver (RX) troubleshooting............................................................................................ 4–13
GSM RX chain activation for manual measurements/GSM RSSI measurement ........................................ 4–14
Transmitter troubleshooting ............................................................................................................................. 4–15
General instructions for transmitter (TX) troubleshooting........................................................................ 4–15
GSM transmitter troubleshooting................................................................................................................. 4–15
Bluetooth and FM radio troubleshooting ......................................................................................................... 4–17
Bluetooth troubleshooting ........................................................................................................................... 4–17
FM radio troubleshooting.............................................................................................................................. 4–18
List of Figures
Figure 14 RF key components ...............................................................................................................................4–6
Figure 15 Auto tuning concept with CMU200......................................................................................................4–6
Figure 16 General voltage checking test points (main board, bottom side) ...................................................4–8
Figure 17 Testpoints used after fatal self tests................................................................................................ 4–10
Figure 18 Settings: Time 1ns/d + 0.1Vpp/d ...................................................................................................... 4–11
Figure 19 Settings: Time 1ns/d + 0.3Vpp/d ...................................................................................................... 4–11
Figure 20 Frequency ~ 100kHz........................................................................................................................... 4–13
Figure 21 Typical readings ................................................................................................................................. 4–16
Figure 22 Troubleshooting diagram: Bluetooth .............................................................................................. 4–17
RM-352; RM-354
RF troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 4 –3
Copyright © 2008 Nokia. All rights reserved.

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Nokia 7610 Supernova Specifications

General IconGeneral
BrandNokia
Model7610 Supernova
CategoryCell Phone
LanguageEnglish

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