E.F. Johnson Company 7780 Series Manuals

Manuals and User Guides for E.F. Johnson Company 7780 Series. We have 1 E.F. Johnson Company 7780 Series manual available for free PDF download: Preliminary Service Manual

E.F. Johnson Company 7780 Series Preliminary Service Manual (116 pages)

SMARTNET/SmartZone/Conventional 7.5 VDC, 1 and 3 Watts 806-824 MHz Transmit 851-870 MHz Receive

Brand: E.F. Johnson Company | Category: Two-Way Radio | Size: 5 MB

Table of Contents
4
General Information
7
Scope of Manual
7
Equipment Description
7
Introduction
7
Operating Protocols
7
Intrinsically Safe Models
7
Systems, Channels, and Zones
7
NPSPAC Models
8
Programming
8
Transceiver Alignment
8
Part Number Breakdown
8
Transceiver Identification
8
Accessories
8
Factory Customer Service
8
Factory Returns
9
Accessories
9
Replacement Parts
10
Internet Home Page
10
Intrinsically Safe Information
10
Introduction
10
Definitions
10
Possible Ignition Sources
11
Intrinsically Safe and Nonincendive Ratings
11
Classification of Hazardous Areas and Atmospheres
11
Accessing Pc Boards
12
Introduction
12
Removing Transceiver Case
12
Unplugging Flex Cables
12
Material Classification
12
Area Classification
12
Removing RF Unit
13
Removing Logic Unit
13
7780 Specifications
14
Transceiver Operation
15
Features
15
General Features
15
Conventional Features
15
SMARTNET™ II Features
15
Smartzone® Features
15
Limited/Enhanced Keypad Features
15
Controls and Display
15
Top Panel Controls
15
Top Panel Indicators
16
Side Controls
16
Front Panel Keys (Limited Keypad Model)
16
Front Panel Keys (Full Keypad Model)
17
Display
17
General Operation
18
Introduction
18
Turning Power on and Setting Volume
18
Backlight
18
Option Switches
18
Keypad Lock
18
Low Battery Indication
19
Channel and Zone Selection
19
Home Zone
19
Time-Out Timer
19
Option Switch Functions
19
Tone Enable/Disable
20
Scanning
20
Conventional and Smartnet/Smartzone
21
Operation
21
Conventional Features
22
Introduction
22
Display Mode Selection
22
Monitoring before Transmitting
22
Monitor Mode
23
Busy Channel Lockout
23
Call Guard Squelch
23
Penalty Timer
24
Conversation Timer
24
Repeater Talk-Around
24
Power Output Select
24
Conventional Mode Scanning
24
Priority Channel Sampling
25
Standard Conventional Calls
26
DTMF/ANI Signaling
26
Smartnet/Smartzone Features
27
Introduction
27
Viewing Unit ID
27
Standard Group Calls
27
Enhanced Private Conversation Calls
27
Private Conversation II Calls
29
Telephone Calls
30
Call Alert
31
Messaging
32
Sending Status Conditions
32
Emergency Alarm and Call
32
Failsoft Operation
33
Smartnet/Smartzone Scanning
33
Dynamic Regrouping
33
Smartzone Features
33
Supervisory Tones
34
Keypad Programming
35
Introduction
35
Menu Description
35
Zone Change Parameter
35
Keypad Programming Menu Flowchart
35
Channel Change Parameter
36
System Parameters
36
Channel Parameters
36
Transceiver Programming
37
General
37
Programming Setup
37
Computer Description
37
Pctrunk Software Installation
37
Connecting RPI to Computer and Transceiver
38
Starting and Exiting
38
Programming File Types
38
Help Files
38
Screen Types
38
RPI -Transceiver Cable Schematic
38
File Size Indication
39
Creating and Displaying Systems
39
Programming Procedure
39
Preliminary
39
Programming Radio Wide Parameters
40
Programming Conventional Channels
40
Programming Smartnet/Smartzone Systems
40
Programming Radio (Downloading File)
40
Menu Commands
40
File Menu
40
Radio Type Menu
41
Download Menu
41
Upload Menu
41
Systems Menu
41
Window Menu
41
Help Menu
42
Radio-Wide Parameter Screens
42
Introduction
42
Radio-Wide General Screen
42
Radio-Wide Conventional Screen
44
Radio-Wide Smartnet/Smartzone Screen
44
Radio-Wide Portable Options Screen
45
Programming Conventional Systems and Channels
45
Introduction
45
Conventional System General Screen
45
Setting up Conventional Channels
47
Conventional Channel Screen Parameters
48
Conventional Channel Screen
48
Programming Smartnet/Smartzone Systems and Channels
49
Introduction
49
Smartnet/Smartzone System Screens
50
General Screen
50
Other ID's Screen
51
Interconnect Screen
51
Talk Groups Screen
52
Emergency Settings Screen
52
Lists Screens
53
Setting up Smartnet/Smartzone Channels
56
Smartnet/Smartzone Channel Screen
56
Parameters
56
Smartnet/Smartzone Channel Screen
57
Call Guard (CTCSS/DCS) Codes and Tones
58
Circuit Description
65
Power Switching and Regulation
65
Power Switching
65
5-Volt Regulators (IC401, IC402)
65
Synthesizer Description
65
Introduction
65
VCO (IC3), Buffers (Q10-Q12)
65
VCO and TCXO Modulation
66
Synthesizer Chip (IC1)
66
Lock Detect (Q13)
66
Charge Pump (Q1, Q2), Loop Filter
66
Receiver Circuit Description
67
RF Amplifier (Q1), First Mixer (Q2)
67
IF Amplifier (Q2), Limiter/Detector (IC3)
67
Limiter/Mixer/Detector IC3
67
Squelch Circuit (IC4A/B, IC5A)
68
Transmitter Description
68
Amplifier (Q9), Driver (Q8)
68
Antenna Switch and Low-Pass Filter
68
Logic Board
68
Power Control (IC2A/B)
69
Control Logic and Display
69
Control Logic
69
Display Assembly Description
69
Receive Audio Processing
69
Bandpass Filter (IC101)
69
Microprocessor IC306 Pin Descriptions
70
Expander (IC208)
72
Audio Amplifier (IC104-IC106)
72
Receive and Transmit Data Processing
72
Receive Data Filter/Detector
72
Transmit Data Filter (IC206B/IC206A)
73
Transmit Audio Processing
73
Gate (IC204), High-Pass Filter (IC202)
73
Limiter (IC202B)
73
Low-Pass Filter (IC205A/B)
74
Smartnet Data Processing
74
Battery Pack and Charger Information
75
Battery Pack
75
General
75
Battery Care
75
Rapid Charger
75
Alignment Procedure and Performance Tests
77
General
77
Introduction
77
Test Setup
77
Tune Software
78
Preliminary Setup
79
Main Pctune Screen
79
Removing Transceiver Cover
80
Transmit Frequency and Power
80
Frequency Adjustment
80
Power Output Adjustment
80
Modulation Balance
80
RF Board
80
Audio Deviation
81
Data Deviation
81
Squelch Adjust
81
Rssi Adjust
81
Receiver Performance Tests
82
Preliminary Setup
82
SINAD Sensitivity
82
Squelch Sensitivity
82
Audio Power and Distortion
82
Receiver Current Drain
82
Transmitter Performance Tests
83
Power Output
83
Transmit Frequency
83
Transmit Modulation
83
Transmitter Current Drain
83
Parts List
85
Chassis Parts
85
Jack Assembly
85
Display Assembly
85
3-Key Assembly
86
IF Assembly
87
PLL Assembly
88
RF Unit
88
Logic Unit
92
10-Key Board
98
Display
98
Logic Board
99
Schematic Diagrams and Component Layouts
101
Schematic Diagrams
101
Transceiver Block Diagram
103
RF Board
105
PLL Board
105
Display Board
109
10-Key Board
110
3-Key Board
112

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E.F. Johnson Company 7780 Series Manuals

E.F. Johnson Company 7780 Series Preliminary Service Manual (116 pages)

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