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TDM
A
M3
09
0/
M3
09
7
:
Ke
yp
ad
B46
BLOCK D
IAGRAM
NOT N
ECESSA
RY
REFE
R T
O P
AGE
B47
1
2
...
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133
TDMA M3090/M3097
1
Service Manual
1
Level III
1
COMPUTER SOFTWARE COPYRIGHTS
2
About This Manual
4
Specifications
6
©1999Motorola, Inc
7
Table 3. DAMPS System
7
Table 4. Environment
7
Table of Contents
8
Section B
11
Cellular Overview
12
US Cellular Frequency Band
13
832 channels
13
Analog Cellular
16
Cellular System
17
AMPS Deviation in kHz
18
Going Into Service
20
©1999 Motorola, Inc
23
Figure 9. Cell Site Handoffs
25
Cellular Telephone
26
Landline Network
26
Switch / Cell Site
26
Amplitude (voltage)
28
Microphone Speaker
30
Accessories
32
TDMA Easy NAM
34
Programming
34
Programming Sequence
35
TDMA Test Mode
36
NAM Programming
36
IMPORTANT
37
Factory
38
Manual Test Mode
42
Servicing Level
43
Status Display Line 1
44
Status Display Line 2
44
Test Procedures
46
Zero Bd-P3
47
RF Cable Test
48
Set up for Analog call
49
RX Sensitivity Test (SINAD)
50
TX Power Out Test
51
834.9900
52
TX Maximum Deviation Test
53
TX SAT Deviation Test
54
TX ST Deviation Test
55
On / Off
56
ON / Off
56
Set up for TDMA call
58
>= -51
59
< 0.01
59
BER Measurements
60
TX Power Measurements
61
-2.35879
62
Disassembly
64
Battery Removal
65
Antenna Removal
66
Back Housing Removal
66
Transceiver Board Removal
67
Display Removal
67
Keypad Removal
68
Speaker Removal
68
TDMA M3090/M3097Disassembly
69
Parts List
70
TDMA M3090/M3097Parts List
71
General Description
72
1900 MHz IC
73
TX Operational Description
73
Analog TX Audio Processing
74
Digital TX Audio Processing
74
DSP Lucent 1629
74
Stuart IC
75
Figure 40. RF Block Diagram
76
Figure 41. AL Block Diagram
77
Electrical Parts List
78
Service Diagrams
84
Internal External
86
800*_1900
87
-30.47 dBm@Cellular
88
992.31MHz
88
RF_19.44MHZ
90
TDMA M3090/M3097: VCO
91
TX SIGNAL
94
VCC_OFFSET
96
OVCO_OUT
96
TDMA M3090/M3097: Amp Drivers
97
TX ON TX OFF
100
Description
101
DET_800_1900
102
-10 dBm
106
-11 dBm
106
TDMA M3090/M3097: DCI (U201)
107
TDMA M3090/M3097: DCI(U201)
108
BLOCK DIAGRAM NOT NECESSARY
109
REFER TO PAGE B27
109
MIC_BIAS
110
AUDIO_OUT
110
[email protected]
110
VOLTAGE SUPPLIES
112
SW_EXT_B+
114
TDMA M3090/M3097: Charger
115
Battery type
116
BLOCK DIAGRAM NOT NECESSARY
117
REFER TO PAGE B35
117
U1000,U1500
118
TDMA M3090/M3097: Headset/MIC
119
TDMA M3090/M3097: DSP (U1900)
121
TDMA M3090/M3097: DSP(U1900)
122
REFER TO PAGE B41
123
U201,CR1561
124
REFER TO PAGE B43
125
BOOM_MIC_DET
126
U1700,U1200
126
U1500,U1800
126
TDMA M3090/M3097: Memory
127
TDMA M3090/M3097: MEMORY
128
TDMA M3090/M3097: Keypad
129
Board Issue: P5
132
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