Nokia 5110 Manual Do Serviço
PAMS
Technical Documentation
Appendix 1
NSE–1NX
Page 1 – 3
Original 03/98
Appendix 1
Foreword
This section of the service manual (Appendix) contains specific details for
the NSE–1NX handportable telephone.
the NSE–1NX handportable telephone.
The appendix comprises chapters as follows: Chapter 1, Foreword (this
chapter); Chapter 2, Transceiver NSE–1NX, containing an exploded view
of the NSE–1NX variant (including a list of assembly parts) plus
component parts lists covering the system module and the display
module.
chapter); Chapter 2, Transceiver NSE–1NX, containing an exploded view
of the NSE–1NX variant (including a list of assembly parts) plus
component parts lists covering the system module and the display
module.
NOTE:
The Service Manual is intended for use by qualified
service personnel only.
service personnel only.
Transceiver NSE–1NX
Functional Description
The NSE–1 is a radio transceiver unit designed for the GSM network. It is
a GSM phase 2, power class 4 transceiver providing 15 power levels with
a maximum output power of 2 W. The transceiver a is true 3 V transceiv-
er.
a GSM phase 2, power class 4 transceiver providing 15 power levels with
a maximum output power of 2 W. The transceiver a is true 3 V transceiv-
er.
The transceiver consists of System/RF module, User interface module
(UE4S) and assembly parts. The System/RF module used in NSE–1NX is
either UP8R or UP8S. The baseband part is exactly the same but the
transmitter circuitry and it’s layout differs depending which one of the two
different power amplifiers is used.
(UE4S) and assembly parts. The System/RF module used in NSE–1NX is
either UP8R or UP8S. The baseband part is exactly the same but the
transmitter circuitry and it’s layout differs depending which one of the two
different power amplifiers is used.