Nokia 6610 Troubleshooting Instructions page 3

CCS Technical Documentation
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RF Troubleshooting ....................................................................................................... 4
Introduction to RF troubleshooting .............................................................................4
RF Key component placement .....................................................................................5
RF Measurement points ...............................................................................................6
GSM900 & GSM1800 Transmitter................................................................................ 7
General instructions for Tx troubleshooting ............................................................. 7
Transmitter troubleshooting diagram ........................................................................ 9
Pictures of transmitter signals ................................................................................. 12
GSM900, GSM1800 and GSM1900 Receiver............................................................. 14
General instructions for Rx troubleshooting ........................................................... 14
Troubleshooting diagram for GSM900 receiver ..................................................... 18
Troubleshooting diagram for GSM1800 receiver ................................................... 19
Troubleshooting diagram for GSM1900 receiver ................................................... 20
Synthesizer ................................................................................................................... 21
General instructions for synthesizer troubleshooting.............................................. 21
Synthesizer troubleshooting diagram ...................................................................... 22
Pictures of synthesizer signals................................................................................. 23
Baseband troubleshooting ............................................................................................ 25
Main Troubleshooting Diagram ................................................................................25
Phone is dead .............................................................................................................26
Flash Programming Fault ..........................................................................................27
Phone is jammed ........................................................................................................28
SIM card fault (Insert SIM / Card rejected) ...............................................................29
Keypad Fault ..............................................................................................................30
Display Fault ..............................................................................................................32
Illumination fault .......................................................................................................33
Charger Fault .............................................................................................................34
Accessory Fault .........................................................................................................35
Audio Fault ................................................................................................................36
FM Radio troubleshooting ........................................................................................... 37
FM Radio component layout .....................................................................................37
FM Radio troubleshooting diagram ...........................................................................38
Notes to "FM Radio troubleshooting diagram"....................................................... 38
Diagrams of FM radio signals ................................................................................. 40
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Troubleshooting Instructions
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