Philips PRP73 Manuals

Manuals and User Guides for Philips PRP73. We have 1 Philips PRP73 manual available for free PDF download: Service Manual

Philips PRP73 Service Manual (178 pages)

VHF/UHF

Brand: Philips | Category: Portable Radio | Size: 7.32 MB

Contents
3
List of Illustrations
5
Product Support Policy
7
Product Technology
7
Survey of Service Levels
7
Service Bulletins
8
General Information
9
Introduction
9
Summary of Data
10
Associated Equipment
11
Ancillary Items
12
Equipment Variations
12
CTCSS Tone Frequencies
13
Selcall Tone Frequencies
13
Commissioning
14
Unpacking
14
Battery Warning Label
14
Charging the Battery
15
Fitting the Antenna
15
Fitting the Wrist Lanyard/'D' Ring
16
Fitting the Belt Clip/Stud
17
Fitting a Battery
17
LCD Display
18
Technical Description
21
Transceiver Top Level Block Diagram
21
Radio PCB Description
21
Radio PCB Top Level Diagram
21
Analogue Power Supplies
22
Radio PCB Power Supplies
22
Frequency Generation
23
Synthesiser Block Diagram
23
Transmitter Block Diagram
24
Receiver Block Diagram
25
Noise Squelch
26
Calibration Memory
26
IC401-Radio Support ASIC
26
ASIC3 (IC401) Diagram
28
Control PCB Description
29
Overall Top Level Control Block Diagram
29
Power Supply and On/Off Control
29
On/Off Circuit
30
Turning on
30
Turning off
31
Processor Control System
31
IC2 Overall Block Diagram
32
Memory Map
33
Serial Bus Structure
34
Display and Keypads
35
Audio Processing
35
Receiver Audio Path
35
Transmitter Audio Path
35
Signaling Options
36
Selcall
36
Encode
36
Decode
36
Tx/Rx Audio Path Block Diagram
38
Ctcss
39
Toneburst
39
Facility Socket Interface
39
Ic3
40
IC2 Pin Functions
40
IC3 Block Diagram
42
IC3 Pin Functions
44
IC401 Pin Functions
45
Servicing
48
Dis-Assembly
48
Removal of the Radio PCB
48
Removal of the Control PCB
49
E0 Band Control Pcbs
49
Re-Assembly
49
Test Information, Equipment and Data
49
Transceiver Dis-Assembly
50
Test Equipment
51
Radio Test Interface Unit 9525 701 54008 (TIU)
52
Circuit Description
53
TIU Circuit Diagram
53
Power Supplies
53
Components
53
Dummy Battery Circuit
54
Initialization
55
Test Equipment Connections
55
Receiver Tests
55
Sesitivity
55
Receiver Desensitization Frequencies
56
Supply Input Power
57
Distortion at Rated Audio Power
57
Squelch Function
57
Transmitter Tests
57
Selcall and DTMF Checks
58
CTCSS Option Tes
58
Aligning a Transceiver Using a Programmer
59
Equipment and Set-Up
59
Alignment Test Connections
59
Starting the Alignment Option
59
Transmitter Alignment
60
Receiver Alignment
60
Analogue Measure Calibration
60
Print Alignment Params
60
Screen Layout and Keys
61
Programming Lead
62
Test Procedure
62
Parts List
63
Notation
63
Ordering of Spare Parts
63
Abbreviations
63
Antennae
65
Pcb Rf
65
Semiconductors and IC's
65
Resistors
66
Capacitors
70
Inductors
75
Miscellaneous
77
PCB Assembly Control+Ctcss
78
Accessories
82
Programming Lead Assembly
82
Control PCB Layout Diagram
84
Tp320/5
85
Control PCB Display and Control System Circuit Diagram
87
Control PCB Keypad and Audio Circuit Diagram
90
Control PCB Signalling Options Circuit Diagram
91
Control PCB Connectors Circuit Diagram
94
Radio PCB, UHF Layout Diagram
96
Radio PCB, VHF Layout Diagram
99
Radio PCB, UHF Receiver Circuit Diagram
102
Radio PCB, UHF Transmitter Circuit Diagram
105
Radio PCB, UHF Frequency Generation Circuit Diagram
108
Radio PCB, UHF IC1 and Supplies Circuit Diagram
111
Radio PCB, VHF Receiver Circuit Diagram
114
Radio PCB, VHF Transmitter Circuit Diagram
117
Radio PCB, VHF Frequency Generation Circuit Diagram
120
Radio PCD, VHF IC1 and Supplies
123
Radio PCB Interconnection Circuit Diagram
125
Battery Chargers
126
PRX7001-Desk-Top Charger
126
PRX7005-Multi-Unit Charger
126
Multi-Unit Charger
127
Specification
127
Installation
127
Multi-Unit Charger Wall Mounting Diagram
128
Desk-Top Charger AC Wiring
129
Multi-Unit Charger AC Wiring
129
Transformer Primary Tappings
130
Operation
130
Transceiver with Battery
130
Service
130
Power Supply
131
Fast Charge Current Source
131
Sensing Circuits
131
Charging
132
Warning Lights
132
Alignment Method
132
Fast Charge Currents
133
Special Tools Required
134
Test Battery Circuit
135
Test Battery Components
135
Desk-Top Charger PCB Layout Diagram
142
App A/2
143
Desk-Top Charger PCB Main Pocket Circuit Diagram
145
Desk-Top Charger PCB Secondary Pocket Circuit Diagram
148
Desk-Top Charger PCB Power Supply and References Circuit Diagram
149
Multi-Unit Charger PCB Power Supply and First Pocket Layout Diagram
151
App A/1
152
Multi-Unit Charger PCB Second and Third Pockets Layout Diagram
153
Multi-Unit Charger PCB Fourth and Fifth Pockets Layout Diagram
156
Multi-Unit Charger PCB Main Pocket Circuit Diagram
160
Multi-Unit Charger PCB Secondary Pocket Circuit Diagram
163
Loudspeaker/Microphone
166
Circuit Diagram of Keypad Version
166
Keypad Version Exploded View
167
PRZ7002 Vehicle Charging Unit (VCU) for Standard and High Capacity Battery Packs
169
Basic Fault Diagnosis
170
VCU Circuit Diagram
170
Use with Lightweight Battery Packs
171
VCU Component Layout
172
Factory Mutual Variants
174
Factory Mutual Label
174
Battery Pack
174
Operating Precautions
174
Transceiver Servicing
177

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Philips PRP73 Service Manual (178 pages)

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