Nokia 282 General Information ch2
Programme’s After Market Services
NHA–9 Series Transceivers
Chapter 2
General Information
Issue 2 03/00
NHA–9
General Information
Technical Documentation
CONTENTS
Introduction 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Module 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UI 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lid Module 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad Module 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Modules 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Accessories 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Accessories 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In–Car Accessories 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAMS
Page No
General Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transceiver General Features 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Specifications 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiver Branch 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter Branch 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizer Rx Branch 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizer Tx Branch 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 2–2
Issue 2 03/00
PAMS
Technical Documentation
Introduction
This document contains the shortform technical description of the Pi
system modules PB4C (N/AMPS) and PB4G (AMPS only).
The H700–Pi system module controls the operation of the transceiver.
These tasks include UI module control (keyboard, LCD, transducers,
accessory control), and all system signalling, audio processing , and RF
functions.
System Module
Modes of Operation
The module has 4 basic modes:
– Charging only: The phone is off, the only functions are battery charg-
ing
NHA–9
General Information
– Local mode: The phone is under external control via MBUS.
– Standby mode: the phone is ready to receive and make calls.
– Conversation mode: the phone is in a call, all RX and TX paths are ac-
tive.
UI
Lid Module
Display with driving IC;
Backlighting circuits;
Earpiece driver circuit;
Buzzer driver circuit;
Keypad Module
keypad contacts and backlights
Note: The Lid and keypad Modules are non serviceable parts
Issue 2 03/00
Page 2–3
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