Internal Interfaces; Back-Up Battery Interface Electrical Characteristics - Nokia RM-484 Service Manual

RM-484; RM-485; RM-486
System Module and User Interface
PIN Signal
1 VBUS
2 D-
3 D+
4 ID
5 ground
Description Parameter
VBUS Vcharge
VBUS Icharge
D+,D-,Ground

Internal interfaces

Name of connection
DALS
Earpiece
Microphone
IHF speakers
Main camera socket
Sub-camera
Main display connector
Vibra

Back-up battery interface electrical characteristics

Description Parameter
Back-Up Vback
Battery
Voltage
Issue 1
Table 12 Charging interface connections
I/O Engine connection
D3300/
IN N3301
IN/OUT D3300
IN/OUT D3300
Ground
Table 13 Charging IF electrical characteristics
Min Max
4.75 5.25
1.8
1
Component reference
N6502
B2100
B2 (On UI Module)
B2151 / B1
X1450
N1450
X2450
M2110
Table 14 Back-up battery electrical characteristics
Min Typ
0 2.5
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Description
VBUS/DCIN 5V
DM Data minus
DN Data plus
Not in use
Signal
ground
Unit
V
A
A
Max
2.7 V
Unit
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