Motorola TDMA T2297 Manuals

Manuals and User Guides for Motorola TDMA T2297. We have 1 Motorola TDMA T2297 manual available for free PDF download: Service Manual

Motorola TDMA T2297 Service Manual

Motorola TDMA T2297 Service Manual (129 pages)

Talkabout DIGITAL WIRELESS TELEPHONE

Brand: Motorola | Category: Telephone | Size: 3.78 MB

Table of Contents

About this Manual

3
Cellular Overview

11
- Introduction
  11
  - Control (Data) Channels
    12
  - Voice Channels
    13
  - Signaling Protocol
    13
- Analog Cellular
  15
- Digital Cellular
  27
  - Multiplexing
    27
  - FDMA (Frequency Division Multiple Access)
    27
  - Digitizing Voice
    27
  - TDMA (Time Division Multiple Access)
    28
  - Digitization and TDMA
    28
  - Digitization of Voltage
    29
  - Conventional Radio
    29
  - TDMA Radio
    30
Accessories

31
TDMA EASY NAM Programming

33
- Introduction
  33
- User Mode Programming
  33
- Programming Sequence
  34
  - Enter Programming Mode
    34
  - Enter Security Code
    34
  - Enter Phone Number
    34
  - Programming a Second no
    34
  - If You Make a Mistake
    34
TDMA Test Mode NAM Programming

35
- Introduction
  35
- Entering Test Mode NAM Programming
  35
- NAM Programming Steps
  35
- NAM Data
  36
- User Mode Programming
  36
- Test Mode NAM Programming Sequence
  37
Manual Test Mode

41
- Introduction
  41
- Entering Manual Test Mode
  41
- Status Display Level
  41
- Servicing Level
  42
Test Procedures

45
- Introduction
  45
- Automatic Call-Processing Tests
  45
  - Analog Test Measurements
    45
  - Digital Test Measurements
    45
- Test Connections
  46
- RF Cable Test
  47
  - To Test the RF Cable for Proper Loss
    47
- Set up for Analog Call
  48
  - Registration
    48
  - Select CALL CNTL from the to Screen
    48
  - Origination
    48
- RX Sensitivity Test (SINAD)
  49
  - Test Mode Commands
    49
  - Communications Analyzer Setup
    49
- TX Power out Test
  50
  - Test Mode Commands
    50
  - Communications Analyzer Setup
    50
  - Test Mode Commands
    51
  - Communications Analyzer Setup
    51
- TX Maximum Deviation Test
  52
  - Test Mode Commands
    52
  - Communications Analyzer Setup
    52
- TX SAT Deviation Test
  53
  - Procedure
    53
  - Select CALL CNTL from the to Screen
    53
- TX ST Deviation Test
  54
  - Test Mode Commands
    54
  - Communications Analyzer Setup
    54
- Setting up for PCS TDMA Measurements
  55
  - Power up the PCS Adapter, after Two Beeps Are Heard Power up the 8920B
    55
- Setting up for PCS TDMA Measurements
  56
- Set up for TDMA Call
  57
  - Call Process
    57
  - Registration
    57
  - Select CALL CNTL from the to Screen
    57
  - Origination
    57
- MAHO Measurements
  58
  - Setting up the MAHO Measurement
    58
  - Measuring MAHO
    58
- BER Measurements
  59
  - PCS Mode Handset Commands
    59
  - BER Measurement Procedure
    59
- TX Power Measurements
  60
  - PCS Mode Handset Commands
    60
  - Digital TX Power out Test Procedure
    60
- TX Frequency Error Measurements
  61
  - PCS Mode Handset Commands
    61
  - TX Frequency Error Measurement Test
    61
- EVM Measurements
  62
  - PCS Mode Handset Commands
    62
  - TX Frequency Error Measurement Test
    62
Disassembly

63
- Introduction
  63
- Recommended Tools
  63
- Battery Removal
  64
- Antenna Removal
  64
- Back Housing Removal
  65
- Transceiver Board Removal
  66
- Display Removal
  66
- Keypad Removal
  67
- Speaker Removal
  67
Parts List

69
- Introduction
  69
- Mechanical Explosion
  69
General Description

71
- Nadc IC
  71
- TX Operational Description
  72
- Power Amp Integrated 800 Mhz or 1900 Mhz IC
  72
- Analog TX Audio Processing
  73
- Antenna Circuit
  77
- RX Front End
  77
- Digital TX Audio Processing
  79
- DSP Lucent 1629
  79
- Stuart IC
  79
- Gcap II
  79
Service Diagrams

83
- Antenna Circuit
  84
- Front End IC(U10)
  86
- Zifsynth(U110)
  88
- Vco
  90
- TX Offset Oscillator
  92
- Exciter
  96
- PA Circuit
  98
- RF Detect
  100
- Reference Oscillator
  102
- DCI(U1800)
  105
- Gcap2(U1500)
  106
- Voltage Regulators
  108
- Charger
  110
- Audio Circuit
  112
- Dsp(U1900)
  114
- Stuart(U1907)
  117
- Call Processor(U1000)
  118
- Memory
  120
- Keypad
  125
- Connectors
  126
- Layout Side 1
  128
- Feedback Form
  129

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