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RM-305
Nokia RM-305 User Manual
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Troubleshooting diagram for GSM 1800 transmitter
Troubleshooting flow
Figure 54 GSM 1800 Transmitter troubleshooting
GSM1800 TX output power
Measure the output power of the phone; it should be about 29.5dBm. Remember the cable loss is about
0.5dB.
RM-305; RM-306
RF troubleshooting
Page 5 –26
COMPANY CONFIDENTIAL
Issue 2
Copyright © 2007 Nokia. All rights reserved.
72
74
Table of Contents
Section 1
3
Table of Contents
3
Product Selection
4
Display and Keypad Features
4
Features
4
Hardware Features
4
Figure 1 RM-305/306 Product Picture
4
Software Features
5
UI Features
5
Mobile Enhancements
6
Table 1 Power
6
Table 2 Car
6
Table 3 Audio
6
Technical Specifications
7
General Specifications
7
Battery Endurance
7
Environmental Conditions
7
Electrical Characteristics
8
Table 4 Normal and Extreme Voltages
8
Table 5 Current Consumption
8
Issue 2 COMPANY CONFIDENTIAL Page
9
Section 2
10
Table of Contents
10
Service Tools
12
Ca-111Ds
13
Ca-35S
14
Dau-9S
15
Fls-4S
15
Fps-10
16
Jbv-1
17
Pkd-1
18
Sps-1
19
St-32
20
Service Software Concept
21
POS (Point of Sales) Flash Concept
21
POS Flash Concept with FLS-5
22
FPS-10 Prommer Box Flash Concept
23
Flash Concept with FPS-10
24
Flash Concept with FPS-8
25
Module Jig (MJ-130) Service Concept
26
Issue 2 COMPANY CONFIDENTIAL Page
28
Section 3
32
General Baseband Troubleshooting
33
Important Test Points
33
Flash Programming Does Not Work
33
Phone Doesn't Switch on
35
Switch off
36
Display Shows "Contact Service
36
The Phone Does Not Register to the Networks, or the Phone Can Not Make a Call
37
SIM Related Faults
38
Insert SIM Card Fault
38
SIM Card Rejected
39
User Interface
40
Blank Display
40
Display Is Corrupt
40
Dead Keys
41
No Backlight for Display or Keys
41
Audio Troubleshooting
43
Audio Troubleshooting Using Phoenix
43
Check Microphone Using "Hp Microphone in Ext Speaker Out" Loop
44
Check Earpiece Using "Ext Microphone in Hp Speaker Out" Loop
44
Check IHF Function Using "Ext Microphone in IHF Speaker Out" Loop
45
Check Vibra Function Using "Vibra Control
45
Earpiece Fault
46
Ihf/Ringing Tone Fault
47
Microphone Fault
48
Section 4
50
List of Figures
50
General RF Troubleshooting
52
RF Key Components
52
Auto Tuning
54
Receiver GSM900/1800
56
General Instructions for GSM900 RX Troubleshooting
56
Troubleshooting Diagram for GSM 900 Receiver
58
General Instructions for GSM 1800 RX Troubleshooting
59
Troubleshooting Diagram for GSM 1800 Receiver
60
Measurement Points in the Receiver
61
Receiver GSM850/1900
61
General Instructions for GSM 850 RX Troubleshooting
61
Troubleshooting Diagram for GSM 850 Receiver
63
General Instructions for GSM1900 RX Troubleshooting
64
Troubleshooting Diagram for GSM 1900 Receiver
65
Measurement Points in the Receiver
66
Transmitter GSM900/1800
66
General Instructions for GSM 900 TX Troubleshooting
66
Troubleshooting Diagram for GSM 900 Transmitter
68
GSM900 TX Output Power
69
General Instructions for GSM1800 TX Troubleshooting
72
Troubleshooting Diagram for GSM 1800 Transmitter
73
GSM1800 TX Output Power
73
Transmitter GSM850/1900
77
General Instructions for GSM 850 TX Troubleshooting
77
Troubleshooting Diagram for GSM 850 Transmitter
79
GSM850 TX Output Power
80
General Instructions for GSM1900 TX Troubleshooting
83
Troubleshooting Diagram for GSM 1900 Transmitter
84
GSM1900 TX Output Power
84
Crystal Troubleshooting
88
Introduction
88
FM Radio Troubleshooting
88
Troubleshooting
88
Section 5
92
Baseband Description
93
Uppcosto
93
Litti
94
Modes of Operation
94
Audio Function Description
94
External Audio Connector
95
External Signals and Connections
96
Block Diagram
93
System Module Block Diagram
93
Functional Description
93
Interfaces
97
RF/BB Interface
97
LCD Interface
97
Keyboard
98
SIM Interface
100
Battery Connector
101
Battery BL-5C
101
PWB Outline
102
RF Description
102
Frequency Band, Power and Multi-Slot Class
102
Transmitter Architecture Description
102
Digitally Controlled X-Tal Oscillator
103
4
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Nokia RM-305 Specifications
General
Brand
Nokia
Model
RM-305
Category
Cell Phone
Language
English
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