©2000 Motorola, Inc.
TDMA T2290/T2297
Table of Contents
x
Digital TX Audio Processing ..................................................................................................... 63
DSP Lucent 1629 ..................................................................................................................... 63
Stuart IC ................................................................................................................................... 64
GCAP II .................................................................................................................................... 64
Section B
Service Diagrams ....................................................................................................................... B1
Antenna Circuit ....................................................................................................................... B3
Front End IC(U10) ................................................................................................................... B5
ZIFSYNTH(U110) .................................................................................................................... B7
VCO ........................................................................................................................................ B9
TX Offset Oscillator ............................................................................................................... B11
Merlyn(U301) ........................................................................................................................ B13
Exciter ................................................................................................................................... B15
PA Circuit .............................................................................................................................. B17
RF Detect .............................................................................................................................. B19
Reference Oscillator ............................................................................................................. B21
DCI(U1800) ........................................................................................................................... B23
GCAP2(U1500) ..................................................................................................................... B25
Voltage Regulators ................................................................................................................ B27
Charger ................................................................................................................................. B29
Audio Circuit .......................................................................................................................... B31
DSP(U1900) .......................................................................................................................... B33
STUART(U1907) ................................................................................................................... B35
Call Processor(U1000) .......................................................................................................... B37
Memory ................................................................................................................................. B39
B+ Disconnect/Backlight Driver ............................................................................................. B41
Keypad .................................................................................................................................. B43
Connectors ............................................................................................................................ B44
Layout Side 1 ........................................................................................................................ B45
Layout Side 2 ........................................................................................................................ B46
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 ...