Nokia RH-13 Series Troubleshooting Manual page 4

RH-13
Troubleshooting CCS Technical Documentation
Fig 14 Receiver block diagram ............................................................................................30
Fig 15 RF Test .....................................................................................................................33
Fig 16 Audio Test ................................................................................................................33
Fig 17 RF Test. ....................................................................................................................34
Fig 18 Fault finding chart. ...................................................................................................36
Fig 19 General checking. .....................................................................................................37
Fig 20 GSM RSSI Measurement. ........................................................................................38
Fig 21 RX VHF VCO signal level and frequency. ..............................................................39
Fig 22 UHF VCO.................................................................................................................40
Fig 23 RF controls ...............................................................................................................40
Fig 24 RX I/Q signal............................................................................................................41
Fig 25 IF signal level ...........................................................................................................42
Fig 26 Fault finding chart. ...................................................................................................43
Fig 27 RF Test. ....................................................................................................................44
Fig 28 Fault finding chart ....................................................................................................46
Fig 29 GSM RSSI Measurement. ........................................................................................48
Fig 30 RF controls. ..............................................................................................................49
Fig 31 RX VHF VCO signal level and frequency ...............................................................49
Fig 32 UHF VCO signal level and frequency......................................................................50
Fig 33 RF controls. ..............................................................................................................51
Fig 34 RX I/Q signal............................................................................................................51
Fig 35 IF signal level. ..........................................................................................................53
Fig 36 TX signal path. .........................................................................................................54
Fig 37 RF Test. ....................................................................................................................55
Fig 38 RF controls. ..............................................................................................................55
Fig 39 Fault finding chart ....................................................................................................56
Fig 40 TDMA1900. .............................................................................................................58
Fig 41 GSM1900. ................................................................................................................58
Fig 42 Fault finding chart ....................................................................................................59
Fig 43 Power detection. .......................................................................................................61
Fig 44 Fault finding chart for 19.2 MHz oscillator..............................................................64
Fig 45 Fault finding chart for RX VHF VCO......................................................................65
Fig 46 BB PLL.....................................................................................................................66
Fig 47 Fault finding chart for BB PLL. ...............................................................................67
Fig 48 Fault finding chart for TX VHF VCO......................................................................68
Fig 49 Fault finding chart for UHF SYNTHESIZER..........................................................69
Fig 50 Auto tune TDMA .....................................................................................................70
Fig 51 Auto-tune GSM ........................................................................................................72
Fig 52 Fault finding chart ....................................................................................................76
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