E.F. Johnson Company 7780 Series, Предварительное руководство по обслуживанию, Страница: 5 / 116

TABLE OF CONTENTS (CONT’D)
iii
November 1999
Part No. 001-7780-500
TABLE OF CONTENTS
PCTrunk Software Installation . . . . . . . . . . . . . . 3-1
Connecting RPI To Computer and Transceiver . 3-2
Starting and Exiting . . . . . . . . . . . . . . . . . . . . . . 3-2
Programming File Types . . . . . . . . . . . . . . . . . . 3-2
Help Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Screen Types . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
File Size Indication. . . . . . . . . . . . . . . . . . . . . . . 3-3
Creating and Displaying Systems. . . . . . . . . . . . 3-3
3.2 PROGRAMMING PROCEDURE . . . . . . . . . . 3-3
Preliminary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Programming Radio Wide Parameters . . . . . . . . 3-4
Programming Conventional Channels . . . . . . . . 3-4
Programming SMARTNET/SmartZone Systems 3-4
Programming Radio (Downloading File) . . . . . . 3-4
3.3 MENU COMMANDS
. . . . . . . . . . . . . . . . . . . . . 3-4
File Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Radio Type Menu . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Download Menu . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Upload Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Systems Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Window Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Help Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.4 RADIO-WIDE PARAMETER SCREENS
. . . . 3-6
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Radio-Wide General screen . . . . . . . . . . . . . . . . 3-6
Radio-Wide Conventional Screen . . . . . . . . . . . 3-8
Radio-Wide SMARTNET/SmartZone Screen . . 3-8
Radio-Wide Portable Options Screen. . . . . . . . . 3-9
3.5 PROGRAMMING CONVENTIONAL SYSTEMS
AND CHANNELS
. . . . . . . . . . . . . . . . . . . . . . 3-9
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Conventional System General Screen . . . . . . . . 3-9
Setting Up Conventional Channels . . . . . . . . . 3-11
Conventional Channel Screen Parameters . . . . 3-12
3.6 PROGRAMMING SMARTNET/SMARTZONE
SYSTEMS AND CHANNELS
. . . . . . . . . . . 3-13
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
SMARTNET/SmartZone System Screens
General Screen . . . . . . . . . . . . . . . . . . . . . . . 3-14
Other ID’s Screen. . . . . . . . . . . . . . . . . . . . . 3-15
Interconnect Screen . . . . . . . . . . . . . . . . . . . 3-15
Talk Groups Screen . . . . . . . . . . . . . . . . . . . 3-16
Emergency Settings Screen. . . . . . . . . . . . . 3-16
Lists Screens. . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Setting Up SMARTNET/SmartZone Channels 3-20
SMARTNET/SmartZone Channel Screen
Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
4 CIRCUIT DESCRIPTION
4.1 POWER SWITCHING AND REGULATION
. 4-1
Power Switching. . . . . . . . . . . . . . . . . . . . . . . . . 4-1
5-Volt Regulators (IC401, IC402) . . . . . . . . . . . 4-1
4.2 SYNTHESIZER DESCRIPTION . . . . . . . . . . . 4-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
VCO (IC3), Buffers (Q10-Q12) . . . . . . . . . . . . . 4-1
VCO And TCXO Modulation . . . . . . . . . . . . . . . 4-2
Synthesizer Chip (IC1) . . . . . . . . . . . . . . . . . . . . 4-2
Lock Detect (Q13). . . . . . . . . . . . . . . . . . . . . . . . 4-2
Charge Pump (Q1, Q2), Loop Filter . . . . . . . . . . 4-2
4.3 RECEIVER CIRCUIT DESCRIPTION . . . . . . 4-3
RF Amplifier (Q1), First Mixer (Q2) . . . . . . . . . 4-3
IF Amplifier (Q2), Limiter/Detector (IC3) . . . . . 4-3
Squelch Circuit (IC4A/B, IC5A). . . . . . . . . . . . . 4-4
4.4 TRANSMITTER DESCRIPTION . . . . . . . . . . 4-4
Amplifier (Q9), Driver (Q8) . . . . . . . . . . . . . . . . 4-4
Antenna Switch and Low-Pass Filter . . . . . . . . . 4-4
Power Control (IC2A/B) . . . . . . . . . . . . . . . . . . . 4-5
4.5 CONTROL LOGIC AND DISPLAY
. . . . . . . . 4-5
Control Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Display Assembly Description . . . . . . . . . . . . . . 4-5
4.6 RECEIVE AUDIO PROCESSING
. . . . . . . . . 4-5
BandPass Filter (IC101) . . . . . . . . . . . . . . . . . . . 4-5
Expander (IC208) . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Audio Amplifier (IC104-IC106) . . . . . . . . . . . . . 4-8
4.7 RECEIVE AND TRANSMIT DATA
PROCESSING
. . . . . . . . . . . . . . . . . . . . . . . . 4-8
Receive Data Filter/Detector . . . . . . . . . . . . . . . . 4-8
Transmit Data Filter (IC206B/IC206A) . . . . . . . 4-9
4.8 TRANSMIT AUDIO PROCESSING
. . . . . . . . 4-9
Gate (IC204), High-Pass Filter (IC202) . . . . . . . 4-9
Limiter (IC202B). . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Low-Pass Filter (IC205A/B) . . . . . . . . . . . . . . . 4-10
4.9 SMARTNET DATA PROCESSING . . . . . . . 4-10
5 BATTERY PACK AND CHARGER
INFORMATION
5.1 BATTERY PACK . . . . . . . . . . . . . . . . . . . . . . . 5-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Battery Care. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 RAPID CHARGER . . . . . . . . . . . . . . . . . . . . . . 5-1
6 ALIGNMENT PROCEDURE AND
PERFORMANCE TESTS
6.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Tune Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Preliminary Setup . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Main PCTune Screen. . . . . . . . . . . . . . . . . . . . . . 6-3
Removing Transceiver Cover . . . . . . . . . . . . . . . 6-4
6.2 TRANSMIT FREQUENCY AND POWER . . 6-4
Frequency Adjustment . . . . . . . . . . . . . . . . . . . . 6-4
Power Output Adjustment . . . . . . . . . . . . . . . . . . 6-4