Motorola TALKABOUT T8097 Manuals

Manuals and User Guides for Motorola TALKABOUT T8097. We have 1 Motorola TALKABOUT T8097 manual available for free PDF download: Service Manual

Motorola TALKABOUT T8097 Service Manual

Motorola TALKABOUT T8097 Service Manual (149 pages)

TDMA 800MHz/Analog 800MHz

Brand: Motorola | Category: Cell Phone | Size: 4.04 MB

Table of Contents

About this Manual

4
Cellular Overview

13
- Introduction
  13
  - Control (Data) Channels
    14
  - Voice Channels
    15
  - Signaling Protocol
    15
- Analog Cellular
  17
- Digital Cellular
  29
  - Multiplexing
    29
  - FDMA (Frequency Division Multiple Access)
    29
  - Digitizing Voice
    29
  - TDMA (Time Division Multiple Access)
    30
  - Digitization and TDMA
    30
  - Digitization of Voltage
    31
  - Conventional Radio
    31
  - TDMA Radio
    32
Accessories

33
TDMA EASY NAM Programming

37
- Introduction
  37
- User Mode Programming
  37
- Programming Sequence
  38
  - Enter Programming Mode
    38
  - Enter Security Code
    38
  - Enter Phone Number
    38
  - Programming a Second
    38
  - If You Make a Mistake
    38
TDMA Test Mode NAM Programming

39
- Introduction
  39
- Entering Test Mode NAM Programming
  39
- NAM Programming Steps
  39
- NAM Data
  40
- User Mode Programming
  40
- Test Mode NAM Programming Sequence
  41
Manual Test Mode

45
- Introduction
  45
- Entering Manual Test Mode
  45
- Status Display Level
  45
- Servicing Level
  46
Test Procedures

49
- Introduction
  49
- Automatic Call-Processing Tests
  49
  - Analog Test Measurements
    49
  - Digital Test Measurements
    49
- MCEL 2000 Modifications
  50
- Test Connections
  51
- RF Cable Test
  52
  - To Test the RF Cable for Proper Loss
    52
- Set up for Analog Call
  53
  - Registration
    53
  - Select CALL CNTL from the to Screen
    53
  - Origination
    53
- RX Sensitivity Test (SINAD)
  54
  - Test Mode Commands
    54
  - Communications Analyzer Setup
    54
- TX Power out Test
  55
  - Test Mode Commands
    55
  - Communications Analyzer Setup
    55
  - Test Mode Commands
    56
  - Communications Analyzer Setup
    56
- TX Frequency Error Test
  56
  - Test Mode Commands
    57
  - Communications Analyzer Setup
    57
- TX Maximum Deviation Test
  57
  - Test Mode Commands
    58
  - Communications Analyzer Setup
    58
- TX SAT Deviation Test
  58
- TX ST Deviation Test
  59
  - Test Mode Commands
    59
  - Communications Analyzer Setup
    59
- Set up for TDMA Call
  60
  - Call Process
    60
  - Registration
    60
  - Origination
    60
  - Select CALL CNTL from the to Screen 4
    60
- MAHO Measurements
  61
  - Setting up the MAHO Measurement
    61
  - Measuring MAHO
    61
- BER Measurements
  62
  - Test Mode Commands
    62
  - BER Measurement Procedure
    62
- TX Power Measurements
  63
  - Test Mode Commands
    63
  - Digital TX Power out Test Procedure
    63
- TX Frequency Error Measurements
  64
  - Test Mode Commands
    64
  - TX Frequency Error Measurement Test
    64
- EVM Measurements
  65
  - Test Mode Commands
    65
  - TX Frequency Error Measurement Test
    65
Disassembly

67
- Introduction
  67
- Recommended Tools
  67
- Antenna Removal
  68
- Transceiver Board Removal
  72
- Flip Removal
  73
- Speaker / Vibrator Removal
  75
- Board Assembly
  79
- Closing Housing
  80
Parts List

81
- Introduction
  81
- Mechanical Explosion
  81
- Electrical Parts (Locator)
  83
Theory of Operation

89
- Antenna Circuit
  89
- RX Front End IC
  89
- Custom IC
  89
- Vco
  90
  - Amp Drivers
    91
  - Analog / Digital Switch
    92
  - Dsp (U1900)
    95
- TX Offset Oscillator
  108
- Amp Drivers
  112
- PA Circuit
  114
- RF Detect Circuit
  116
- Analog/Digital Switch
  118
- DCI(U1800)
  120
- Gcap2(U1500)
  122
- Audio/Thermistor
  125
- DOUB Supply/Backlight
  128
- DOUB Supply/Backlight
  129
- Reference Oscillator
  131
- Stuart(U1700)
  132
- Dsp(U1900)
  134
- Call Processor(U1000)
  137
- Memory
  139
- B+ Disconnect/Status Leds
  140
- Alert/Headset Detect
  142
- JIB Connector
  144
- Connectors
  145
- Layout Side 1
  146
- Layout Side 2
  147
RF Block Diagram

148
A/L Block Diagram

149

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