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Charging
This phone is charged through the smaller Nokia standard interface (2.0 mm plug). The old standard charger
(3.5 mm) can be used together with the CA-44 charger adapter.
Figure 52 Old (left) and new (right) charger plugs
Charging is controlled by energy management, and external components are needed to protect the baseband
module against EMC, reverse polarity and transient frequency deviation.
Test pattern
The production test pattern is placed on the main board, accessible when the battery is removed from the
phone. The test points can be used for service and test purposes.
Figure 53 Production test pattern
Pin
Name
1
VBUS
2
TXD/FBUS TX
3
RXD/FBUS RX
4
RXD2
5
VPP
6
CLK/MBUS
7
GND
8
TX1
9
CLK
10
TX0
11
TX2
RM-70
System module
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 8 –11
Copyright © 2005 Nokia. All rights reserved.
Содержание 7370
Страница 183: ...8 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 8 1 Copyright 2005 Nokia All rights reserved ...
Страница 207: ...9 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2005 Nokia All rights reserved ...
Страница 221: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2005 Nokia All rights reserved ...