Motorola TDMA T2290 Service Manual page 10

Table of Contents
Digital TX Audio Processing .....................................................................................................63
DSP Lucent 1629 .....................................................................................................................63
Stuart IC ...................................................................................................................................64
GCAP II ....................................................................................................................................64
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
x
Section B
©2000 Motorola, Inc.
TDMA T2290/T2297