User Manual
Table Of Contents
- 1GENERAL
- 1.1Introduction
- 1.2Interim Operation
- 1.3Manual Organization
- 1.4UT-4R400 Transmitter Family Models
- 1.5Performance Specifications
- 1.5.1General
- 1.5.2Audio Specifications
- 1.5.3Physical Specifications
- 2THEORY OF OPERATION
- 2.1General
- 2.2Power Supply
- 2.3High Speed Serial Interconnect
- 2.4Audio Circuits
- 2.5PTT Circuitry
- 2.6Microprocessor Board
- 2.7Channel and Bank Selection
- 2.7.1Channel Select Line Mapping
- 2.8Jumper Functions and standard configuration
- 2.9Hang Timer Selection
- 2.10Kerchunk noise selection
- 2.11Test Points
- 2.12Connector Pinouts
- 2.12.1Connector J9
- 2.12.2Connector P1
- 2.13Transmitter Programming
- 2.13.1Transmitter Wide Options
- 2.13.1.1Frequency Band
- 2.13.1.2Source ID
- 2.13.1.3Secure Hardware Equipped
- 2.13.1.4Timeout Options
- 2.13.2Channel Wide Settings
- 2.13.2.1Channel Name
- 2.13.2.2Frequency
- 2.13.2.3Analog Bandwidth
- 2.13.2.4Deviation
- 2.13.2.5Channel Type
- 2.13.2.6Audio Pre-emphasis
- 2.13.2.7Timeout Value
- 2.13.2.8Project 25 Squelch Settings: Network Access Code (NAC)
- 2.13.2.9Project 25 Squelch Settings: Talk Group ID (TGID)
- 2.13.2.10Analog Signaling Settings: Signaling
- 2.13.2.11Analog Signaling Settings: CTCSS Tone
- 2.13.2.12Analog Signaling Settings: Reverse Burst
- 2.13.2.13Analog Signaling Settings: DCS Code
- 2.13.2.14Analog Signaling Settings: Turnoff Code
- 2.13.2.15Analog Squelch Settings: Invert DCS
- 3Transmitter Assembly and Adjustment
- 3.1Frequency Change
- 3.2Minor Frequency Change
- 3.3Major Frequency Change
- 3.4Digital Signal Processor Board Alignment
- 3.4.1Radio Service Software
- 3.4.2Radio Programming Interface Module Interconnection
- 3.4.3Reference Oscillator Adjustment
- 3.4.4Transmitter Deviation Balance Adjustment
- 3.4.5Transmitter Deviation Limit Adjustment
- 3.4.6Audio Level Alignment
- 3.4.7Amplifier Alignment
- 3.5Recommended Test Equipment List
- 3.6Repair Note
- 3.7Printed Circuit board Numbering Convention
- 4Repeater System Configuration
- 4.1Interim Repeater
- 4.1.1Repeater Interconnect Cable Pinout
- 4.2Project 25 Compliant Repeater
- 4.3Repeater System Troubleshooting
- 5ILLUSTRATIONS
- 5.1Digital Repeater Transmitter Front Panel
- 5.2Digital Repeater Transmitter Exploded View
- 5.3Digital Repeater Transmitter Block Diagram (Interim Mode)
- 5.4Digital Repeater Transmitter Schematic Diagram
- 5.5Digital Repeater Transmitter Main Board Component Layout (Bottom)
- 5.6Digital Repeater Transmitter Main Board Component Layout (Top)
- 5.7Digital Repeater Microprocessor Board Component Layout (Bottom)
- 5.8Digital Repeater Microprocessor Board Component Layout (Top)
- 6PARTS LIST
- 6.1Digital Repeater Transmitter Main Board Parts List
- 6.1.1Digital Repeater Transmitter Main Board Electrical Parts List
- 6.1.2Digital Repeater Transmitter Main Board Mechanical Parts List
- 6.2Digital Repeater Microprocessor Board Parts List
- 6.2.1Digital Repeater Microprocessor Board Electrical Parts List
- 6.2.2Digital Transmitter Additional PCBs
- 7REVISION HISTORY
+9.5VDC
+9.5V OUTPUT
MIC PTT
MIC AUDIO
FRONT PANEL
RX
AUDIO
BALANCED INPUT
SIDE 1
BALANCED INPUT
SIDE 2
DIGITAL SIGNAL
PROCESSOR BOARD
NORM
KEY TX
SW1
KEY TX
Z18
P1
EXT MIC
+9.5 VDC
Z6
B6
R
FRONT PANEL
N CONNECTO
RF IN
RF OUT
+9.5V +13.8V
AMPLIFIER MODULE
TRANSCEIVER RF BOARD
RF OUT
OR
B18
P1
B18
P1
PTT WTO
DIGITAL LED
ANALOG LED
JU34
JU35
DIGITAL COR
ANALOG COR
LH_DATA
SB9600_BUSY
SB9600_BUSY
LH_DATA
DIGITAL COR INPUT
ANALOG COR INPUT
B12
P1
Z12
P1
JU37
MIC_PTT
PTT OUT
JU42
JU41
MODULATION SIGNAL
MODULATION SIGNAL
____
ENA
B24
P1
PTT OUT
ANALOG LED
DIGITAL LED
+9.5 VDC
J7
+13.8 VDC
SW2
A/D MIC
MODE
ANALOG / DIGITAL MIC MODE
+13.8 VDC
Z2
B2
TO ALL +13.8 V SUPPLY POINTS
MIC CONNECTOR
RJ45 CONNECTOR
J3
BANK A/B
MICROPROCESSOR
AUDIO SUMMING
AMPLIFIER
BANK A/B*
CSEL0
CSEL1
CSEL2
P1
D22
D20
P1
D24
P1
BANK SELECT OUT
CSEL3
BEEP AUDIO
BANK SELECT IN
JU44
JU43
JU45
JU46
JU48
JU47
JU49
JU50
JU2
JU4
604R
JU19
JU12
JU14
JU17
HANG
TIME
AND
KERCHUNK
SELECT
JUMPERS
JU13
GROUND
POWER TO RPIM
JU18
8.9 VDC
D26
P1
A0
A1
A2
A3
POWER
PTT IN
PTT
Project 25 Digital Repeater Transmitter Instruction Manual
5.3 Digital Repeater Transmitter Block Diagram (Interim Mode)
5-3
xT4DM3B
ELECTRONICS
DANIELS