Home
Motorola
Cell Phone
i897
Motorola i897 Detailed Service Manual
4
of 1
of 1 rating
148 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
TROUBLESHOOTING:
Digital Analysis Test
Chapter 3
TROUBLESHOOTING
3.1
Digital Analysis Test
Check suppli
es on board.
Refe
r Po
wer-Up & DC
Distr
ibution Tests
Check baseband clocks,
CK
IL
(pro
be T
P
) & C
KI
H
(probe C
735
_DN
P)
CKIL = 3
2kH
z?
CKIH = 16.8MHz?
Check Roadrunner
IC, U700B7
& 32kHz
crystal
, Y700
Disconnect
power supply.
Connect flash cable to PC
.
Com
m
C
hec
k w
ith X
Fla
sh
Comm Ch
eck
Pass?
Re
-flash
so
ftwa
re
Proceed t
o
USB tes
t
Flashing
complet
e?
Power-up phone
Replace memory
IC, U
80
6
Power-up
successf
ul?
Zeu
s & Memory
are work
ing
Ch
eck
Ze
us
IC,
U804
Yes
Yes
Yes
Yes
No
No
No
No
6880401P59-O
71
70
72
Table of Contents
Default Chapter
5
Eme Exposure
5
Operational Precautions
5
Safety and General Information
5
Approved Accessories
6
Batteries and Chargers
6
Driving Precautions
6
Hearing Aids
6
Implantable Medical Devices
6
Operational Warnings
6
Choking Hazards
7
Repetitive Motion
7
Model Information
9
Model Specifications
10
Preface
11
Conventions Used in this Manual
12
Related Publications
12
Table of Contents
13
Chapter 1
17
System Overview
17
Iden Digital Modulation Technology
17
Iden Voice Compression Technology
19
RF Transmission Bursts
19
Calling Area Coverage
20
Service Area
21
Radio Architecture Overview
22
Roadrunner Circuitry
23
Audio Section
25
Acoustic Transducers
25
Audio Amplifiers
25
Audio Modes
27
Audio Paths
27
Transmit Paths
28
Receive Paths
28
Digital Section
28
Zeus Processor
29
MCU Digital Phase Locked Loop (DPLL)
30
Host System Clock Synthesizer
30
ZEUS Digital Signal Processor
31
DSP Phase Locked Loop (PLL)
31
Serial Peripheral Interface (SPI)
31
System Memory
32
Usb2.0
32
Battery ID
33
Keypad Block
33
LCD Circuit
34
CMOS 2.0 Mega-Pixel Focus Camera
34
Transmitter Path Section
35
Roadrunner
36
Sledgehammer IC (TX Path)
37
Janus
37
Power Amplifier
38
Cartesian Feedback
39
Level Set and Phase Training
40
Receiver Path Section
42
JANUS Module (Rxpath)
43
Sledgehammer IC (Rxpath)
43
Roadrunner IC (RX Path)
43
Frequency Generator (RF) Section
44
Global Positioning System (GPS) Section
45
GPS Receiver
45
GPS Antenna
46
Janus IC
46
GPS Receiver
46
Bluetooth® Wireless System
47
Chapter 2
49
Preparing for Field Level Testing
49
Preparing Equipment for Testing
49
Calibrating Equipment
49
Checking the RF Cable
49
Strong-Signal Environments
49
Protecting Static-Sensitive Devices
49
Using RSS
50
Connecting an I897 Unit to the R-2660
50
Operating the R-2660
51
Dis-Assembly and Assembly of I897 Unit
52
Disassembly Procedure
52
Disassembly Sequence Pane Chart
52
Battery Cover and Battery Removal
53
SIM Card and SD Card Removal
54
Back Housing Removal
55
Main Board Removal
56
Flip Assembly Access
57
Assembly Procedure
59
Assembly Sequence Pane Chart
59
Main Board Preparation
60
Flip to Front Housing Assembly
62
Main Board Assembly
65
Back Housing Assembly
67
Closing the Unit
68
SIM Card and SD Card Installation
69
Battery and Battery Door Installation
70
Chapter 3
71
Troubleshooting
71
Digital Analysis Test
71
LO Output Test
74
RX Main VCO Test
75
Keypad Failure Test
77
SLEDGEHAMMER Test
78
RX Analysis Test
80
TX Power Test
83
Tx Janus Module Test
84
SLEDGEHAMMER Tx Test
86
Earpiece Speaker Test
89
High Audio Speaker Test
91
Audio Loopback Level Test
93
Reference Oscillator Test
94
DC Distribution (V1) Test
96
DC Distribution (V2) Test
97
DC Distribution (V3) Test
98
DC Distribution (V4) Test
99
DC Distribution (V_VIB) Test
100
DC Distribution (SW1) Test
101
DC Distribution (SW2) Test
102
DC Distribution (SW3) Test
103
DC Distribution (VUSB) Test
104
DC Distribution (VSIM) Test
105
DC Distribution (VHOLD) Test
106
GPS Receiver Test
107
Mototalk
110
Model Assembly (MA) Test Mode Test
110
Chapter 4
115
Main Board Component Layout
116
Hierarchy - Top Sheet
117
Zeus Digital Interface
118
Zeus Memory Interface
119
Zeus Power
120
Display and Camera Interface
121
Zeus
122
Keypad B2B Connector
123
Roadrunner DC
124
Roadrunner Interface
125
Roadrunner Audio
126
Roadrunner Rf Interface - Emu
127
Bluetooth
128
Emu Block
129
Emu IC
130
Transceiver
131
Component Locations
132
Customer Service
141
Replacement Parts
141
Domestic Orders
141
International Orders
141
Appendix A
141
Replacement Kits
142
Recommended Test Equipment and Tools
145
Recommended Programming Equipment
146
Other manuals for Motorola i897
User Guide
136 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Motorola i897 and is the answer not in the manual?
Ask a question
Motorola i897 Specifications
General
Brand
Motorola
Model
i897
Category
Cell Phone
Language
English
Related product manuals
Motorola i836
203 pages
Motorola i867
20 pages
Motorola Nextel iDEN i870
226 pages
INTELLIGENCE EVERYWHERE I860
106 pages
Motorola i576
227 pages
Motorola i580
222 pages
Motorola i335
180 pages
Motorola i418
61 pages
Motorola i686
134 pages
Motorola INT2700
72 pages
Motorola iDEN i580
233 pages
Motorola CLUTCH i475 i475w
78 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
