User Guide

PAMS Technical Documentation Trouble Shooting

NHM-3

2ULJLQDO 1RNLD0RELOH3KRQHV/WG 3DJH

Wintesla Tuning................................................................................................................40

Which RF to tune after repairs ...................................................................................40

RX Calibration ...........................................................................................................41

RX Filter Calibration (Automatic) .............................................................................44

RX AM Suppression (Automatic) .............................................................................46

TX Power tuning ........................................................................................................50

EGSM...................................................................................................................... 50

PCN......................................................................................................................... 52

TX I/Q Tuning ...........................................................................................................54

Initial set-up EGSM ................................................................................................ 54

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Fig 1 Phone is Totally Dead ................................................................................................6

Fig 2 Flash programming doesn’t work...............................................................................8

Fig 3 Flash Programming ....................................................................................................9

Fig 4 Power doesn’t stay on, or phone is jammed...............................................................10

Fig 5 Wintesla Snapshot of MCU Self-tests........................................................................11

Fig 6 Phone register failure..................................................................................................12

Fig 7 Phone doesn’t register to the network ........................................................................14

Fig 8 SIM related faults .......................................................................................................15

Fig 9 SIM card rejected fault (2) .........................................................................................16

Fig 10 Audio faults ..............................................................................................................17

Fig 11 Charger failure..........................................................................................................18

Fig 12 RF Function Diagram...............................................................................................24

Fig 13 Transmitted EGSM signal........................................................................................32