Nokia 2170 Service Manual general
Programme’s After Market Services
NHP–4 Series Transceivers
Chapter 2
General Information
Issue 1 04/99
NHP–4
PAMS
General Information
Technical Documentation
CONTENTS
Introduction 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Module Description 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Modules 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Units and Accessories 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Characteristics 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Characteristics 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Mode 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Characteristics 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Metric Units 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
English Units 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Connector 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Figures
Figure 1. Module Layout 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2. System Connector 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page No
Page 2–2
Issue 1 04/99
PAMS
NHP–4
Technical Documentation
Introduction
NHP–4 is a CDMA mode handportable Cellular phone product for the
North American CDMA system.
NHP–4 offers digital mode full rate speech services defined in ANSI
J–STD–008. The transceiver has a retractable antenna and a connector
for accessories. The user communicates with the phone via LCD–display,
keyboard and some audible tones.
NHP–4 can be connected to different accessories such as chargers,
holders, hands–free units, data–adapters and handset through the bottom
system connector.
Module Description
The transceiver electronics consist of the Radio Module (RF + Baseband
blocks) and the UIF Module. The UIF Module is connected to the Radio
Module with a 30 pin connector. BaseBand blocks and RF blocks are
interconnected with PCB wiring. The Radio Module receives power from
the Battery via a 4 pin connector located at the bottom of the PCB. The
Transceiver is connected to accessories via a bottom system connector
with charging and accessory control.
General Information
The Radio Module provides the MCU and DSP environments, Logic
control IC (CDMA ASIC), memories, audio processing and RF control
hardware (CDRFI). On board power supply circuitry delivers operating
voltages for both BaseBand and UIF modules.
The UIF Module is a flex circuit with 4 blocks–– keyboard, display, buzzer,
and audio (earphone and microphone). The buzzer block contains a high
current amplifer circuit to drive the buzzer. LEDs are provided for
keyboard and LCD back lighting.
The RF block is designed for a hand portable phone, which operates in
CDMA PCS systems. The purpose of the RF module is to receive and
demodulate a radio frequency signal from the base station and to transmit
a modulated RF signal to the base station. The RF parts are designed for
power class II.
The system part provides MCU and DSP environments, memories, audio
processing, and RF control hardware. On board power supply circuitry
delivers operating voltage for both system and RF parts.
Issue 1 04/99
Page 2–3
NHP–4
PAMS
General Information
HANDS FREE
BA TTER Y
CHARGER
M2BUS
DBUS
Technical Documentation
EXT ANTENNA
Baseband / RF MODULE
SPEAKERMICROPHONE
UIF MODULE
BUZZER
Figure 1. Module Layout
List of Modules
Table 1. Nokia1 NHP–4
Name of module Type code Material
code
Transceiver CDMA PCS1900 0501146
User interface DU8D 0200521
System/RF GR2 0200996
Mechanics MNHP4 0261xxx Variable dependant on cover colour as listed
0261387 Woodgrain Nokia
0261789 Red Nokia
0261799 Blue Nokia
0261915 Woodgrain Primeco
Notes
Page 2–4
Issue 1 04/99
PAMS
NHP–4
Technical Documentation
General Information
Units and Accessories
Table 2. List of Battery Packs
Design Type Technology Type Code Material
Code
Nokia1, CDMA Slim, 600 mAh NiMH BBH –1S 0670027
Nokia1, CDMA Std, 1100 mAh NiCd BBH–2H 0670030
Nokia1, CDMA Ext, 1700 mAh NiMH BBH –1H 0670028
Nokia1, CDMA Vibrator, 600 mAh NiMH BBT–1XV 0670119
Table 3. List of Chargers
Name Type Code Material Code Notes
Fast Travel Charger ACH–4U 0675012 USA model
Cigarette Lighter Charger LCH–2 0675005 Universal
Desktop Charger CHH–2 0675022 Universal
HF Desktop Charger CHH–8 0675026 Universal
AC Adapter ACS–6U 0680018 USA model, needed for CHH–8
Table 4. List of Mobile Installation Accessories
Name Type Code Material Code Notes
Mobile Holder MBH–6 0620009
Mobile HF Charging Holder MCH–8 0620010
HF Junction Box HFJ–3 0694009
External HF Speaker HFS–6 0692005
HF Microphone HFM–4 0690002 Original
HF Microphone HFM–10 0690009 New , ”mouse” type
Power Cable PCH–4 0730009
External Audio Handset HSU–1 0640047
Compact HF PHF–1 0700017
Power Cable LCP–2 0680022
Mounting Plate MKE–1 0650007
Swivel Kit HHS–1 0650006 3 screws
Swivel Kit HHS–6 0650019 4 screws
Cable Holder CKH–1 0620016
Issue 1 04/99
Page 2–5
Loading...