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RM-237
Service manual
Nokia RM-237 Service Manual page 207
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Service manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Nokia Customer Care
9 — Schematics
Issue 1
COMPANY CONFIDENTIAL
Page 9 –1
Copyright © 2007 Nokia. All rights reserved.
Table of
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206
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Chapters
Section 1
15
Section 2
27
Section 3
51
Section 4
75
Section 5
111
Section 6
161
Section 7
191
Table of Contents
Troubleshooting
Baseband troubleshooting overview
113
Power and charging troubleshooting
114
Battery current measuring fault troubleshooting
115
Charging troubleshooting
116
Clocking troubleshooting
117
Interface troubleshooting
118
Camera hardware troubleshooting
119
Camera viewfinder troubleshooting
120
Camera: Bad image quality troubleshooting
121
COMBO memory troubleshooting
122
Flash programming fault troubleshooting
123
FM radio troubleshooting
125
MicroSD card troubleshooting
126
User interface troubleshooting
128
Display troubleshooting
130
Backlight troubleshooting
131
LED driver troubleshooting
132
IrDA troubleshooting
133
Audio troubleshooting
134
Earpiece troubleshooting
137
Internal earpiece troubleshooting
138
External headset earpiece troubleshooting
139
IHF troubleshooting
140
IHF troubleshooting
141
Microphone troubleshooting
142
Internal microphone troubleshooting
143
External headset microphone troubleshooting
144
Connections troubleshooting
145
Bluetooth BER failure troubleshooting
147
Bluetooth audio and UI activation troubleshooting
150
USB interface troubleshooting
151
Introduction to RF troubleshooting
163
RF key components
164
General instructions for RX troubleshooting
165
Receiver (RX) troubleshooting
166
GSM Rx chain activation for manual measurements / GSM RSSI measurement
169
Transceiver (TX) troubleshooting
172
Synthesizer troubleshooting
175
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3110c
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