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Sailor RT2047 Service Manual Page 60
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2 CIRCUIT DESCRIPTION
RT2047 DSC - PART II
COMPONENT LOCATION KEYBOARD UNIT MODULE 7/700
View from component side with upper side tracks.
View from component side with lower side tracks.
27747C
PAGE 2-26
9543
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TECHNICAL MANUAL
1
COMPACT VHF RT2047/D
1
RT2047 DSC - PART I
3
1 GENERAL INFORMATION 1-1
5
1.1 INTRODUCTION 1-1
5
1.1 INTRODUCTION
7
2 INSTALLATION
11
2.1 INSTALLATION HINTS
11
2.2 MOUNTING POSSIBILITIES
12
4 pcs ø6.5 mm
14
4 pcs ø4.5 mm
14
A B C D E F
15
0° 230 67 117 230 67 117
15
4.8° 243 67 129 245 72 117
15
9.6° 255 65 142 262 78 115
15
14.4° 265 62 155 270 89 112
15
4 pcs M3x30
16
4 pcs cover
16
8 pcs M5x8
16
4 pcs M5x30
16
20mm20mm
17
8 pcs M3x30
18
8 pcs M3x8
18
12 pcs M5x8
18
2 pcs M3x30
18
2.4 HANDSET
19
2.5 MICROTELEPHONE CONNECTOR
19
2.6 POWER SUPPLY
19
2.8 ANTENNAS
20
2.9 SPECIAL OPTIONS
20
PAGE 2-11
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PAGE 2-12
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RT2047 DSC - PART II
23
1 GENERAL INFORMATION
25
1.1 GENERAL DESCRIPTION
25
1.2 TECHNICAL DATA
26
Scan DW USA CQ
27
Duplex Shift Call
27
Vol SQ Tx1W
27
1.4 PRINCIPLE OF OPERATION
29
1.4.1 FREQUENCY GENERATION
29
1.4.2 RECEIVER
29
1.4.3 TRANSMITTER
29
1.4.4 THE MICROCOMPUTERS
29
PAGE 1-6
30
1.5 BLOCKDIAGRAM
31
PAGE 2-2
36
Df= +3 kHz; f
37
Df = + 3 kHz; f
37
2.2.2 32/33 PRESCALER
38
PAGE 2-6
40
2.3.2 THE 21 MHZ OSCILLATOR
42
2.3.4 TX-VCO
43
2.3.5 LOOP-FILTER
43
PAGE 2-10
44
2.4.1 TX-POWER-AMPLIFIER
47
2.4.2 HARMONIC FILTER
47
2.5 ANTENNA RELAY (500)
47
Df = + 3 KHz; f
49
PAGE 2-16
50
2.6.7 PA REGULATOR
52
2.6.9 MICROPHONE AMPLIFIER
52
2.6.10 SQUELCH CIRCUIT
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2.6.11 AF CIRCUITS
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2.6.12 SELCALL
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2.6.13 THE EEPROM
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2.6.15 THE KEY-FUNCTION
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2.6.16 THE MICROCOMPUTER
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PAGE 2-22
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PAGE 2-23
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2.7.6 DUAL WATCH
59
2.7.7 SCANNING
59
PAGE 2-26
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PAGE 2-27
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2.8 DUPLEX FILTER MODULE 800
62
2.9 FILTER UNIT MODULE 9/900
63
PAGE 2-30
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PAGE 2-31
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PAGE 2-33
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PAGE 2-34
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H2087 for VHF RT2047
69
PAGE 2-35
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H2089 for VHF RT2047
70
PAGE 2-36
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PAGE 2-37
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PAGE 2-38
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2.15 DC POWER SUPPLY N418
73
2.15.1 PRINCIPLE OF OPERATION
73
2.15.2 CIRCUIT DESCRIPTION
73
2.15.3 ADJUSTMENT PROCEDURE
74
PAGE 2-41
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DIAGRAM DC POWER SUPPLY N418
75
2.16 N420 24V/12V REGULATOR
76
2.16.1 TECHNICAL DATA
76
2.16.2 PRINCIPLE OF OPERATION
76
2.16.3 CIRCUIT DESCRIPTION
76
PAGE 2-44
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PAGE 2-45
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3.2 MODULE LOCATION 3-3
83
3.1 MECHANICAL DISASSEMBLING
85
PAGE 3-2
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3.2 MODULE LOCATION
87
4 SERVICE
91
4.1 MAINTENANCE
91
4.2 ADJUSTMENT INSTRUCTIONS
91
4.5 PROCEDURE FOR CALIBRATION
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4.6 ADJUSTMENT PROCEDURE
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4.7 TROUBLE-SHOOTING
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4.8 REPLACEMENT OF COMPONENTS
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4.9 REPLACEMENT OF MODULES
96
PAGE 4-8
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4.11 PIN CONFIGURATION
99
PIN ARRANGEMENT BLOCK DIAGRAM
102
PAGE 4-12
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CONTENTS
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5 PARTS LISTS 5-1
109
5 PARTS LIST
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PAGE 5-2
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PAGE 5-3
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PAGE 5-4
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PAGE 5-5
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PAGE 5-6
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PAGE 5-7
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PAGE 5-8
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PAGE 5-9
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PAGE 5-10
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PAGE 5-11
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PAGE 5-12
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PAGE 5-13
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