Service Manual Part 1

TABLE OF CONTENTS (CONT’D)
TABLE OF CONTENTS
iv
September 2001
Part No. 001-5100-001
4.6 TRANSMIT FREQUENCY
DETERMINATION
. . . . . . . . . . . . . . . . . . . .4-13
4.7 HARMONIC FILTER. . . . . . . . . . . . . . . . . . . .4-13
5 ALIGNMENT PROCEDURE
5.1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Tune Software . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Preliminary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2 TRANSMIT FREQUENCY TUNING. . . . . . . .5-2
5.3 TRANSMIT MODULATION TUNING. . . . . . .5-2
5.4 TRANSMIT POWER ADJUSTMENT. . . . . . .5-3
5.5 RECEIVE SENSITIVITY TUNING. . . . . . . . . .5-3
5.6 SQUELCH ADJUSTMENT . . . . . . . . . . . . . . .5-3
5.7 RSSI ADJUSTMENT . . . . . . . . . . . . . . . . . . . .5-4
6 PARTS LIST
RF Board (A450) . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Digital Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Keypad Board. . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Exploded Views . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
8 SCHEMATIC DIAGRAMS AND
COMPONENT LAYOUTS
VHF RF Board Schematic . . . . . . . . . . . . . . . . . 8-1
VHF RF Board Layout . . . . . . . . . . . . . . . . . . . . 8-2
UHF RF Board Schematic . . . . . . . . . . . . . . . . . 8-3
UHF RF Board Layout . . . . . . . . . . . . . . . . . . . . 8-4
800 MHz RF Board Schematic. . . . . . . . . . . . . . 8-5
800 MHz RF Board Layout . . . . . . . . . . . . . . . . 8-6
Logic Board (Rev. 3) Schematic . . . . . . . . . . . . 8-7
Revised Keypad Board Schematic . . . . . . . . . . . 8-8
LIST OF FIGURES
2-1 Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . 2-3
2-2 Top Panel Controls . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-3 Keypad Programming Flowchart . . . . . . . . . . . 2-26
3-1 Programming Setup . . . . . . . . . . . . . . . . . . . . . . 3-1
3-2 Main Screen (Later PCTrunk Versions) . . . . . . . 3-3
3-3 Conventional Analog Channel Screen . . . . . . . 3-16
3-4 Conventional Project 25 Digital Ch. Screen. . . 3-18
3-5 SMARTNET/SmartZone Channel Screen . . . . 3-27
4-1 Power Supply Diagram. . . . . . . . . . . . . . . . . . . . 4-3
4-2 RF Board Block Diagram . . . . . . . . . . . . . . . . . . 4-5
4-3 Memory Utilization. . . . . . . . . . . . . . . . . . . . . . 4-10
5-1 Alignment Setup . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-2 Tuning Software Screen (800 MHz Models) . . . 5-3
LIST OF TABLES
1-1 5300 Mobile Accessories . . . . . . . . . . . . . . . . . . .1-5
2-1 Control Unit DIP Switch and Jumper Settings . .2-7
3-1 Programmable Option Switch Functions . . . . . . .3-5
4-1 Call Guard (CTCSS/DCS) Codes and Tones . . .4-20
5-1 LO and First IF Frequencies . . . . . . . . . . . . . . . .5-3