Motorola P8190 Service Manual Page 51
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Motorola Confidential Proprietary
Test ProceduresService Manual
39
Test Connections
The diagram below shows the recommended
connections for testing transceivers.
The MCEL2000 test interface and an RF
adapter with a low loss RF cable is used to
interface with the communications analyzer.
A variety of communications analyzers may
be used. Refer to the analyzer manufacturers
user manual for proper setup before start-
ing tests.
Figure 22. Connections for Testing
dB
POW ER
RX TES T
SINAD
V
AC
Lev el
0.00011
RF Gen Freq
Ampl itud
e
MH
z
dBm
Atten
Hold
Output
Port
AFgen1 Fr eq
AFGe n1 To
KH z
KH z
AFgen2 Freq
AFG e n2 To
Filt er 1
Filt er 2
Ext Lo ad R
To Sc re en
8
24
0.00
½
TX
MCEL2000 sierra
POR T AB L E
MO BI L E
MICRO T. A.C.
TEST
TEST
MODE
83206A
TDMA CELLULAR ADAPTER
TX
RX
AUDIO
B+ INPUT
MCEL2000 sierra
+
-
PORTABLE
MOBILE
MICRO T. A.C.
ESN
SW
TEST
TEST
MODE
"I" SENSE
+
-
+
-
HP83206A
HP8920B
Test Connections
SKN4800A (Test Cable)
3.95 VDC
Power Supply
12 VDC
Power Supply
Back View
RF Cable
Front view of MCEL2000
TX Audio
RX Audio
- Model P8190 1
- COMPUTER SOFTWARE COPYRIGHTS 2
- About This Manual 4
- Specifications 6
- Function Specification 7
- Table of Contents 8
- Cellular Overview 13
- US Cellular Frequency Band 14
- 832 channels 14
- Analog Cellular 17
- Cellular System 18
- AMPS Deviation in kHz 19
- Going Into Service 21
- © 2000 Motorola, Inc 24
- Figure 9. Cell Site Handoffs 26
- Cellular Telephone 27
- Landline Network 27
- Switch / Cell Site 27
- Amplitude (voltage) 29
- A B C A B C 31
- Accessories 33
- Easy Installation Car Kit 35
- TDMA Easy NAM 37
- Programming 37
- Programming Sequence 38
- Introduction 39
- Entering Test Mode NAM 39
- NAM Programming Steps 39
- IMPORTANT 40
- Factory 41
- Description 41
- Manual Test Mode 45
- Servicing Level 46
- Status Display Line 1 47
- Status Display Line 2 47
- Test Procedures 49
- MCEL 2000 Modifications 50
- Test Connections 51
- CALL CNTL 53
- CALL CNFG 53
- ANLG MEAS 53
- SPEC ANL 53
- DIG MEAS 53
- 834.9900 55
- Set up for TDMA call 60
- >= -51 61
- < 0.01 61
- BER Measurements 62
- TX Power Measurements 63
- -2.35879 64
- Disassembly 67
- Antenna Removal 68
- Opening Housing 68
- Board Remova 71
- Flip Removal 73
- Speaker / Vibrator Removal 75
- Opening Housing using fixture 77
- Board Assembly 79
- Closing housing 80
- Parts List 81
- TDMA TIMEPORT P8190 82
- Move Cursor here 83
- Theory of Operation 89
- Merlin IC 90
- TX Offset Oscillator 90
- Amp Drivers 91
- PA Circuit 91
- RF Detect Circuit 91
- Analog/Digital Switch 92
- DCI (U1800) 92
- GCAP2 (U1500) 92
- Audio/Thermistor 93
- Charger/Batt Select 93
- DOUB Supply/Backlight 94
- Reference Oscillator 94
- STUART (U1700) 94
- DSP (U1900) 95
- Call Processor (U1000) 96
- Analog TX Audio Processing 96
- Digital TX Audio Processing 97
- Test Point Measurements 99
- TDMA StarTAC 100
- P8190: Antenna Circuit 100
- A ntenna Circuit 101
- P8190: RX Front End IC(U11) 102
- RX Front End IC(U11 ) 103
- P8190: Custom IC(U110) 104
- Custom IC(U110) 105
- P8190: VCO/Vibrator 106
- VCO/Vibrator 107
- P8190: TX Offset Oscillator 108
- TX Offset Oscillator 109
- TDMA S ta rTAC 110
- P8190 : Merlin TX(U301) 110
- Merlin TX (U301) 111
- P8190 : Am p D r i v e r s 112
- Am p D r i ve r s 113
- P8190 : PA Circuit 114
- PA Circuit 115
- P8190: RF Detect Circuit 116
- RF Detect Circuit 117
- P8190: Analog/Digital Switch 118
- Analog/Digital Switch 119
- P8190: DCI(U1800) 120
- P8190: DCI(U1800) 121
- P8190: GCAP2(U1500) 122
- GCAP2(U1500) 123
- P8190: Audio/Thermistor 124
- P8190: Charger/Batt Select 126
- Charger/Battery Select 127
- P8190: DOUB Supply/Backlight 128
- DOUB Supply/Backlight 129
- P8190: Reference Oscillator 130
- Reference Oscillator 131
- P8190: STUART(U1700) 132
- STUART(U1700) 133
- P8190: DSP(U1900) 134
- DSP(U1900) 135
- P8190: Call Processor(U1000) 136
- CALL PROCESSOR(U1000) 137
- P8190: Memory 138
- P8190: MEMORY 139
- B+ Disconnect/Status LEDs 141
- P8190: Alert/Headset Detect 142
- Alert/Headset Detect 143
- JIB Connector 144
- P8190: CONNECTORS 145
- Lay out Side 1 146
- Board Issue: P11 146
- Lay out Side 2 147
- FL454 Q401 148
- Thunder Lite 149
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