Motorola P8190 Service Manual download pdf (Page 131)

SW_RX2.75

page B25

RX_2.75V

OSC_DIS

U1000

page B39

19.44MHZ

C133

page B7

RF_19.44MHZ

page B37

R1914

AFC

U1800-29

page B23

TDMA StarTAC

P8190: Reference Oscillator

A33

C599

R154

R153

C150

C153

R151

U150

Q152

R152

L150

C152

C151

Q151

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-11 dBm

-10 dBm

VOLTAGE SUPPLIES

Colored boxes represent the area in

which the components are placed.

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 ... 148 149

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
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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Motorola P8190 Service Manual Page 131

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