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RT2047
Page 100 (IC Pinouts and Diagrams)
Sailor RT2047 - IC Pinouts and Diagrams
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4 SERVICE
RT2047 DSC - PART II
4.12
PIN CONFIGURATIONS, BLOCK & SCHEMATIC DIAGRAMS FOR IC’S
MC6805U3 8-BIT MICROCOMPUTER
PIN ARRANGEMENT
BLOCK DIAGRAM
MC68HC705C8 8-BIT MICROCOMPUTER
PIN ARRANGEMENT
BLOCK DIAGRAM
PAGE 4-10
9545
99
101
Table of Contents
Main Page
Table of Contents
4
General Information
7
Table of Contents
9
Installation
11
Installation Hints
11
Mounting Possibilities
12
Dimensions and Drilling Plan
14
Handset
19
Microtelephone Connector
19
Power and Ext. Loudspeaker Connector
19
Power Supply
19
Antennas
20
Special Options
20
Rear View of Vhf Rt2047
21
Standard Frequency Table
22
General Information
23
General Description
25
General Information
25
Controls
25
Technical Data
26
Controls
27
Frequency Generation
29
Principle of Operation
29
Receiver
29
The Microcomputers
29
Transmitter
29
Blockdiagram
31
Table of Contents
33
Circuit Description
35
Receiver Unit Module
35
Rx-Synthesizer Unit Module
38
Tx-Exciter Unit Module
42
Antenna Relay
47
Tx-Power Amplifier Module
47
Interface Unit Module
51
Keyboard Unit Module
58
Dual Watch
59
Duplex Filter Module
62
Filter Unit Module
63
Microtelephone Installation
68
Special Installation with 2 Microtelephones
69
Special Installation with 3 Microtelephones
70
Mechanical Dimensions for Handset
71
DC Power Supply N418
73
Adjustment Procedure
74
Diagram DC Power Supply N418
75
N420 24V/12V Regulator
76
Component Location 24V/12V Regulator N420
78
Diagram 24V/12V Regulator N420
79
Mechanical Disassembling and Module Location
83
Module Location
85
Table of Contents
89
Adjustment Instructions
91
Introduction
91
Proposal for Necessary Measuring Instruments
91
Maintenance
91
Service
91
Calibration of the Test Probe
92
Procedure for Calibration
92
Adjustment Procedure
93
Replacement of Components
96
Replacement of Modules
96
Trouble-Shooting
96
Necessary Adjustments after Replacement Ofa Module
97
Pin Configuration
99
Pin Configurations, Block & Schematic Diagrams for IC's
100
Parts List
111
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