Nokia 62435i Manuals

Manuals and User Guides for Nokia 62435i. We have 1 Nokia 62435i manual available for free PDF download: Troubleshooting Manual

Nokia 62435i Troubleshooting Manual

Nokia 62435i Troubleshooting Manual (68 pages)

Brand: Nokia | Category: Handhelds | Size: 3.71 MB
Table of contents
Troubleshooting1................................................................................................................................................................
Table Of Contents2................................................................................................................................................................
6235/6235i/6236i Mobile Terminal5................................................................................................................................................................
Rf Components6................................................................................................................................................................
Preliminary Rf Troubleshooting7................................................................................................................................................................
Rf Troubleshooting Equipment List7................................................................................................................................................................
Transmitter Rf Troubleshooting8................................................................................................................................................................
Transmitter Block Diagram8................................................................................................................................................................
Transmitter Schematics9................................................................................................................................................................
Transmitter Troubleshooting Guidelines10................................................................................................................................................................
Transmitter Troubleshooting Setup10................................................................................................................................................................
Amps Tx Setup11................................................................................................................................................................
Cell Tx Setup14................................................................................................................................................................
Pcs Setup16................................................................................................................................................................
Transmitter Rf Troubleshooting Procedures18................................................................................................................................................................
Failed Test: Tx Pa Detector19................................................................................................................................................................
Transmitter Output Spectrum20................................................................................................................................................................
Transmitter Test Points21................................................................................................................................................................
Tx Rf Part Diagram21................................................................................................................................................................
Tx Dc Test Points22................................................................................................................................................................
Tx Rf Test Points23................................................................................................................................................................
Tx Dc Power Supply Test Points24................................................................................................................................................................
Transmitter Uhf Lo25................................................................................................................................................................
Tx Uhf Lo Schematic25................................................................................................................................................................
Tx Uhf Lo (n7000) Test Points26................................................................................................................................................................
Pcs Tx Uhf Spectrum Output26................................................................................................................................................................
Cell Tx Uhf Spectrum Output27................................................................................................................................................................
Receiver Rf Troubleshooting28................................................................................................................................................................
Receiver Block Diagram29................................................................................................................................................................
Receiver Schematics29................................................................................................................................................................
Rf Agc Status30................................................................................................................................................................
Turning On The Rx Path31................................................................................................................................................................
Switching The Rx Gain States33................................................................................................................................................................
Checking Amps From Rf To Iq33................................................................................................................................................................
Checking Cell Receiver From Rf To Iq34................................................................................................................................................................
Checking Pcs Receiver From Rf To Iq36................................................................................................................................................................
Receiver Diagnostic Signal Tracing37................................................................................................................................................................
Receiver Dc Test Points38................................................................................................................................................................
Receiver Rf Test Points39................................................................................................................................................................
Receiver If Test Points40................................................................................................................................................................
Receiver Logic Input Voltages41................................................................................................................................................................
N7160 Receiver Overview41................................................................................................................................................................
Synthesizer Troubleshooting43................................................................................................................................................................
Synthesizer Block Diagram44................................................................................................................................................................
Synthesizer Schematics45................................................................................................................................................................
Synthesizer Troubleshooting Setup46................................................................................................................................................................
Top Level Troubleshooting46................................................................................................................................................................
Incorrect Pll Frequencies47................................................................................................................................................................
Vctcxo Troubleshooting48................................................................................................................................................................
Vctcxo Manual Tuning48................................................................................................................................................................
Afc Voltage Troubleshooting49................................................................................................................................................................
Uhf Synthesizer Schematic52................................................................................................................................................................
Uhf Synthesizer Troubleshooting52................................................................................................................................................................
Uhf Synthesizer Test Points54................................................................................................................................................................
Typical Uhf Lo Spectrum Outputs54................................................................................................................................................................
Rx Vhf Lo (n7100) Schematic56................................................................................................................................................................
Rx Vhf Lo Troubleshooting57................................................................................................................................................................
Tx Uhf Lo (n7000) Schematic58................................................................................................................................................................
Tx Uhf Lo (n7000) Troubleshooting59................................................................................................................................................................
Typical Transmitter Uhf Lo Spectrum Outputs59................................................................................................................................................................
Gps Troubleshooting60................................................................................................................................................................
Gps Rf Block Diagram60................................................................................................................................................................
Gps Rf Schematic61................................................................................................................................................................
Gps Troubleshooting Setup61................................................................................................................................................................
Self Test Failure63................................................................................................................................................................
Oscillator Failure63................................................................................................................................................................
Cw Test Failure63................................................................................................................................................................
Gps Rf Troubleshooting63................................................................................................................................................................
Gps Dc Test Points64................................................................................................................................................................
Gps Rf Test Points65................................................................................................................................................................
Fm Radio Troubleshooting65................................................................................................................................................................
Fm Radio Schematic65................................................................................................................................................................
Fm Radio Troubleshooting Setup66................................................................................................................................................................
Fm Radio Part Layouts And Probe Points66................................................................................................................................................................

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