Back-Up Battery Interface Electrical Characteristics; Rf Technical Description; Rf Block Diagram - Nokia RM-555 Service Manual

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

Back-up battery interface electrical characteristics

Description Parameter
Back-Up Vback
Battery
Voltage

RF technical description

RF block diagram

The RF block diagram uses RF ASIC N7500 that performs the RF back-end functions of receive and transmit
function of the cellular transceiver.
Page 6 –34
Component reference
B2152
B2153, B400 on AV FPC
X9001
N502 on Main FPC
X501 on Miain FPC
M2200
Table 14 Back-up battery electrical characteristics
Min
0
Figure 90 RF block diagram using RF ASIC N7500 (with WCDMA VIII/II/I)
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Typ Max
2.5 2.7
System Module and User Interface
Unit
V
RM-555
Issue 1