Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone Nokia_6210 TROUBLE
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Troubleshooting PAMS Technical Documentation
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Base band Troubleshooting
Phone is dead ...............................................................................................................4
Flash programming doesn't work ...............................................................................5
Power doesn't stay on, or phone is jammed ...............................................................8
Display Information: "Contact Service" ......................................................................9
The phone doesn't register to the network, or phone doesn't make a call ................10
SIM related faults .....................................................................................................13
Audio Faults ...............................................................................................................15
Charger Failure ..........................................................................................................16
RF Troubleshooting
Introduction................................................................................................................. 17
RF Key component placement ...................................................................................18
RF Measurement points .............................................................................................19
Abbreviations in fault finding charts .........................................................................21
RF in general ................................................................................................................ 22
EGSM Receiver ........................................................................................................... 23
General instructions for EGSM RX troubleshooting .................................................23
Fault finding chart for EGSM receiver ......................................................................25
EGSM Signal path ....................................................................................................25
PCN Receiver............................................................................................................... 27
General instructions for PCN RX troubleshooting ....................................................27
Fault finding chart for PCN receiver .........................................................................29
PCN Signal path ........................................................................................................29
EGSM Transmitter....................................................................................................... 31
General instructions for EGSM TX troubleshooting .................................................31
Path of the transmitted EGSM signal ........................................................................32
Fault finding chart for EGSM transmitter ................................................................33
PCN Transmitter .......................................................................................................... 35
General instructions for PCN TX troubleshooting ....................................................35
Path of the transmitted PCN signal ............................................................................36
Fault finding chart for PCN transmitter ....................................................................37
Synthesiser ................................................................................................................... 39
General instructions for Synthesiser troubleshooting ................................................39
26 MHz reference oscillator ( VCTCXO ) ................................................................39
VCO ..........................................................................................................................39
Fault finding chart for PLL Synthesiser ....................................................................40
PLL Blockdiagram .....................................................................................................41
Frequency lists ...........................................................................................................42
Wintesla Tuning ......................................................................................................... 44
RF tuning after repairs ...............................................................................................44
RX Calibration .........................................................................................................45
RX Filter Calibration (Automatic) .............................................................................48
RX AM Suppression (Automatic) .............................................................................50
TX Power tuning ........................................................................................................54
TX I/Q Tuning ...........................................................................................................58
IQ Tuning using Spectrum Analyzer .........................................................................61
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PAMS Technical Documentation Baseband Trouble shooting
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