©2000 Motorola, Inc.
Table of Contents
Service Manual
ix
Communications Analyzer Setup: ................................................................................................................. 44
Setting up for PCS TDMA Measurements ................................................................................ 45
Power up the PCS Adapter, after two beeps are heard power up the 8920B ................................................. 45
Setting up for PCS TDMA Measurements ................................................................................ 46
Set up for TDMA call ................................................................................................................ 47
Call Process ................................................................................................................................................ 47
Registration ................................................................................................................................................. 47
Select CALL CNTL from the To Screen ......................................................................................................... 47
Page ............................................................................................................................................................ 47
Origination ................................................................................................................................................... 47
MAHO Measurements ............................................................................................................. 48
Setting up the MAHO measurement ............................................................................................................. 48
Measuring MAHO ........................................................................................................................................ 48
BER Measurements ................................................................................................................. 49
PCS Mode Handset Commands: .................................................................................................................. 49
BER Measurement Procedure ...................................................................................................................... 49
TX Power Measurements ........................................................................................................ 50
PCS Mode Handset Commands: .................................................................................................................. 50
Digital TX Power Out Test Procedure ........................................................................................................... 50
TX Frequency Error Measurements ......................................................................................... 51
PCS Mode Handset Commands: .................................................................................................................. 51
TX Frequency Error Measurement Test ........................................................................................................ 51
EVM Measurements ............................................................................................................... 52
PCS Mode Handset Commands: .................................................................................................................. 52
TX Frequency Error Measurement Test ........................................................................................................ 52
Disassembly ................................................................................................................................ 53
Introduction .............................................................................................................................. 53
Recommended Tools ............................................................................................................... 53
Battery Removal ...................................................................................................................... 54
Antenna Removal .................................................................................................................... 55
Back Housing Removal ............................................................................................................ 55
Transceiver Board Removal ..................................................................................................... 56
Display Removal ...................................................................................................................... 56
Keypad Removal ...................................................................................................................... 57
Speaker Removal .................................................................................................................... 57
Parts List ...................................................................................................................................... 59
Introduction .............................................................................................................................. 59
Mechanical Explosion .............................................................................................................. 59
General Description .................................................................................................................... 61
Antenna Circuit ........................................................................................................................ 61
RX Front End ........................................................................................................................... 61
NADC IC .................................................................................................................................. 61
TX Operational Description ..................................................................................................... 62
Power Amp Integrated 800 MHz or 1900 MHz IC .................................................................... 62
Analog TX Audio Processing ................................................................................................... 63
Содержание T2290
Страница 1: ...DIGITAL WIRELESS TELEPHONE Service Manual Level 3 Release 1 TDMA T2290 T2297 ...
Страница 26: ... 2000 Motorola Inc TDMA T2290 T2297 Cellular Overview 16 ...
Страница 40: ...Motorola Confidential Proprietary TDMA T2290 T2297 TDMA Test Mode NAM Programming 30 ...
Страница 68: ...Disassembly TDMA T2290 T2297 Keypad Removal Motorola Confidential Proprietary 58 ...