Nokia 232N Service Manual core
After Sales
THA–4S
Technical Documentation
THA– 4S SERIES
CORE TRANSCEIVER
Core Transceiver
Original, 09/95
NMP Part No. 0275168
After Sales Technical Documentation
THA–4S Series Transceiver
CONTENTS
Amendment Record Sheet
Chapter 1 Foreword
Chapter 2 Performance Specifications
Chapter 3 Transceiver Overview
Chapter 4 System Module
Chapter 5 Display Module
Original, 12/95
After Sales Technical Documentation
THA–4S Series Transceiver
AMENDMENT RECORD SHEET
Amendment
Number
Date Inserted By Comments
Original, 12/95
After Sales Technical Documentation
THA – 4S Series Transceiver
Chapter 1
FOREWORD
Original, 12/95
THA–4S
After Sales
Foreword
Technical Documentation
CHAPTER 1 – FOREWORD
CONTENTS
Page No
Introduction 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Manual Structure 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Company Policy 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings and Cautions 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 1–2
Original, 12/95
After Sales
THA–4S
Technical Documentation
Introduction
Service Manual Structure
The service manual is structured as a series of stand–alone booklets. The
’core’ service manual consists of the following:
THA–4S Series Transceiver booklet
Chapter 1: Foreword
Chapter 2: Performance Specifications
Chapter 3: Transceiver Overview
Chapter 4: System Module
Chapter 5: Display Module
Appendix to the Transceiver booklet
THA–41S comprising:
Chapter 1: Foreword
Foreword
comprising
covering a specific variant (ie
Chapter 2: Transceiver variant
Chapter 3: Quick Guide
TESLA Service Software
The accessory booklets comprise an overview; separate booklets covering
those accessories deemed to be serviceable; and a booklet covering the
remaining (non–serviceable) accessories.
Accessory Overview
LCH–2 Cigarette Lighter Charger
HFJ–2 Handsfree Junction Box
JBH–1 Cable Junction Box
BSH–2 Booster Kit
CHH–6 Desktop Charger
CHH–7 Handsfree Desktop Charger
PHF–2 Compact Handsfree Unit
Non–serviceable Accessories
Other booklets available are:
CARK14 Installation Guide
CARK15 Installation Guide
Original, 12/95
Page 1–3
THA–4S
After Sales
Foreword
Company Policy
Our policy is of continuous development; details of all technical
modifications will be included with service bulletins.
While every endeavour has been made to ensure the accuracy of this
document, some errors may exist. If any errors are found by the reader,
NOKIA MOBILE PHONES Ltd should be notified in writing.
Please state:
Title of the Document + Issue Number/Date of publication
Latest Amendment Number (if applicable)
Page(s) and/or Figure(s) in error
Please send to: Nokia Mobile Phones Ltd
Technical Documentation
After Sales Technical Documentation
PO Box 86
24101 SALO
Finland
Warnings and Cautions
Please refer to the phone’s user guide for instructions relating to
operation, care and maintenance including important safety information.
Note also the following:
Warnings:
1. CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES
FITTED WITH ELECTRONIC ENGINE MANAGEMENT
SYSTEMS AND ANTI–SKID BRAKING SYSTEMS. UNDER
CERTAIN FAULT CONDITIONS, EMITTED RF ENERGY CAN
AFFECT THEIR OPERATION. IF NECESSARY, CONSULT
THE VEHICLE DEALER/MANUFACTURER TO DETERMINE
THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO
RF ENERGY.
2. THE HANDPORTABLE TELEPHONE MUST NOT BE
OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY
EXPLOSIVE ATMOSPHERES EG PETROL STATIONS,
BLASTING AREAS ETC. PERMISSION MUST BE OBTAINED
TO USE THE PHONE IN AIRCRAFT.
3. OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT,
Page 1–4
INCLUDING CELLULAR TELEPHONES, MAY INTERFERE
WITH THE FUNCTIONALITY OF INADEQUATELY
PROTECTED MEDICAL DEVICES. OTHER ELECTRONIC
EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.
Original, 12/95
After Sales
THA–4S
Technical Documentation
Cautions:
1. Servicing and alignment must be undertaken by qualified
personnel only.
2. Ensure all work is carried out at an anti–static workstation and
that an anti–static wrist strap is worn.
3. Ensure solder, wire, or foreign matter does not enter the
telephone as damage may result.
4. Use only approved components as specified in the parts list.
5. Ensure all components, modules screws and insulators are
correctly re–fitted after servicing and alignment. Ensure all
cables and wires are repositioned correctly.
Foreword
Original, 12/95
Page 1–5
THA–4S
After Sales
Foreword
Technical Documentation
[This page intentionally left blank]
Page 1–6
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After Sales Technical Documentation
THA – 4S Series Transceiver
Chapter 2
PERFORMANCE
SPECIFICATIONS
Original, 12/95
THA–4S
After Sales
Performance Specifications
Technical Documentation
CHAPTER 2 – PERFORMANCE SPECIFICATIONS
CONTENTS
Page No
Introduction 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product and Module List 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Specifications of THA–4S Series Transceiver 2–6. . . . . . . . . . . . . . . .
Electrical Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transceiver General Features 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiver Branch 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter Branch 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizer’s RX Branch 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizer’s TX Branch 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 2–2
Original, 12/95
After Sales
THA–4S
Technical Documentation
Introduction
This chapter contains a list of products/modules together with their
associated order codes, and details of the performance specifications for
the THA–4S Series Transceiver. The performance specifications are split
into general, transmitter, and receiver functions.
Product and Module List
NOTE: The battery capacities quoted are minimum values.
Unit/type: Product code: Module code:
Transceiver THA–41S 0500428
system module KS4S 0200620
display module KL1 0200261
mechanics MTHA41S 0260721
**Transceiver THA–42S 0500429
Performance Specifications
system module KS4S 0200620
display module KL1 0200261
mechanics MTHA42S 0260720
Battery Pack BTH–8L (350 mAh) 0670068
Battery Pack BTH–8S (380 mAh) 0670054
Battery Pack BTH–8SM (550 mAh) 0670055
Battery Pack BTH–8H (790 mAh) 0670056
Battery Pack BTH–8HM (990 mAh) 0670057
AC Travel Charger ACH–3U (US) 0675003
AC Rapid Travel Charger ACH–4U
(US)
AC Power Supply ACS–6U (US) 0680018
**THA–42S is a future product.
0675012
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Page 2–3
THA–4S
After Sales
Performance Specifications
Unit/type: Product code: Module code:
AC Travel Charger ACH–3E (Euro) 0675001
AC Rapid Travel Charger ACH–4E
(Euro)
AC Power Supply ACS–6E (Euro) 0680016
Cigarette Lighter Charger LCH–2 0675013
charging module AL4
(no spare parts available)
mechanics MLCH2–2U
(no spare parts available)
Desktop Charger CHH–6 0675041
charging module DC2H 0200296
mechanics MCHH–6 0260337
Handsfree Desktop Charger CHH–7 0675040
Technical Documentation
0675008
0200044
0260094
DCXH1 module (comprising) 0200335
module DC3H 0200334
module DC4H 0200295
mechanics MCHH–7 0260338
In–car Holder MBH–9 0630009
mechanics MMBH–9 0260339
Installation kit KMKE–1 0260076
Anti–vibration Mount MKA–1 0945136
Mounting Plate MKE–1 0650007
installation kit 0260076
Cable Clip CKH–1 0620016
HF Junction Box HFJ–2 0694006
charging module BC4 0200045
mechanics 0260065
Cable Junction Box JBH–1 0630008
mechanics 0260336
Page 2–4
Original, 12/95
After Sales
THA–4S
Technical Documentation
Unit/type: Product code: Module code:
Compact Handsfree Unit PHF–2 0630010
Mounting Kit for above Unit KPHF–1 0260254
Compact Handsfree Unit Charger
LCP–2
Booster BSH–2 (AMPS) 0500053
booster module BB4 0200101
mechanics 0260110
(Booster) Mounting Bracket MBM–3 0700016
mechanics 0260010
installation kit 0260108
Power Cable PCH–4 0730009
HF Microphone HFM–3 0690001
HF Speaker HFS–6 0692006
Performance Specifications
0680022
Front Mount Cable SCE–2 0730014
Extension Cable SCE–3 0730015
RF Extension Cable XRH–1 0730017
Swivel Mount HHS–1 0650008
In–car Data Cable FDP–1 0750009
Analog PCMCIA Card DTP–3 0750037
PCMCIA Data Cable DLH–2 0730043
Teleadaptor FDM–2 0750019
Cable holder CKH–1 0620016
Booster Kit BSHK–2 0082011
Original, 12/95
Page 2–5
THA–4S
After Sales
Performance Specifications
Technical Documentation
Technical Specifications
General Specifications of THA–4S Series Transceiver
Temperature range
Operating time (with BTH–8SM)
S talk time
S standby time
Supply voltage
Nominal current consumption
S standby mode
S conversation mode
Dimensions (h x w x d)
S transceiver + BTH–8S
–30_C to +60_C
70 min
s
15 hrs
5.3 V to 9.0 V (nominal 6.0 V)
38mA
400mA
147 x 54 x 17.5 mm
S transceiver + BTH–8H
S transceiver + BTH–8SM
Weight
S transceiver + BTH–8S
S transceiver + BTH–8H
S transceiver + BTH–8SM
Electrical Specifications
Transceiver General Features
Number of channels
Duplex spacing
Channel spacing
Frequency tolerance
147 x 54 x 23.4 mm
147 x 54 x 17.5mm
200 g
345 g
215 g
AMPS: 832
NAMPS: 2412
45 MHz
AMPS: 30 kHz
NAMPS: 10kHz
AMPS:
NAMPS:
<
2.5 ppm
1ppm (AFC)
Page 2–6
Frequency control
Voice modulation
Compander
Data modulation
Data speed
Word format
synthesized
phase modulation
2:1
Manchester–coded, 16 kbaud FSK
8 kbits
BCH encoded
Original, 12/95
After Sales
THA–4S
Technical Documentation
Receiver Branch
Frequency band 869 to 894 MHz
Rx First Intermediate Frequency 86.85 MHz
Rx Second Intermediate Frequency 450 kHz
Sensitivity AMPS: better than –116 dBm
Adjacent channel selectivity AMPS: > 16 dB
Alternate channel > 60 dB
Spurious response rejection > 60 dB
Intermodulation rejection > 65 dB
RSSI dynamic range > 60 dB
RSSI starting level < –110 dBm
Performance Specifications
(12 dBSINAD)
NAMPS: better than–118 dBm
(12 dBSINAD)
NAMPS: > 18 dB
Harmonic distortion < 5%
Blocking or desensitization outside
1Mkz from receive frequency:
band A better than –50 dBm
band B better than –23 dBm
AF DAF (2.9 kHz) 50 mV
Demod. audio phase inverted
Demodulation noise better than –32 dB
Demod. audio frequency response 6 db +1/–3db/octave pre–emphasis
Original, 12/95
Page 2–7
THA–4S
After Sales
Performance Specifications
Transmitter Branch
Frequency band
Number of channels
PA efficiency >55%
Reference voltage for regulators
Output power at all channels
PL2
PL3
PL4
PL5
PL6
PL7
Technical Documentation
824 to 849 MHz
AMPS: 832
NAMPS: 2412
4.85 V
"
0.1 V
28 dBm
24 dBm
20 dBm
16 dBm
12 dBm
8 dBm
(tolerances +2 dB, –4 dB)
Modulation distortion
Residual modulation
TX on/off delay
Wideband data
logic 0 corresponds to dev.
logic 1 corresponds to dev.
Maximum deviation "
Synthesizer’s RX Branch
Frequency range
Output level to transmitter
Tuning voltage sensitivity
Centre channel tuning voltage
Synthesizer’s TX Branch
Frequency range
Output level to transmitter
< 5 %
< –35 dB
< 2 ms
+8 kHz ("10 %)
–8 kHz ("10 %)
12 kHz
955 to 981 MHz
+3 dBm (–2 / +4dBm)
12 – 18 MHz/V
2.5V " 0.5 V
824 to 849
MHz
+5 dBm ("2)
Page 2–8
Tuning voltage sensitivity
Centre channel tuning voltage
2 – 3 MHz/V
2.5V
"
0.5 V
Original, 12/95
After Sales Technical Documentation
THA – 4S Series Transceiver
Chapter 3
TRANSCEIVER
OVERVIEW
Original, 12/95
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