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
DE
DANIELS
ELECTRONICS
6-2 UT-4/400 UHF Project 25
Digital
Transmitter
Instruction
Manual
Ref
Desig Description Part No.
LPF11
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF12
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF13
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF14
FILTER,
S
M,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF15
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF16
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF17
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF18
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF19
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF20
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF21
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF22
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF23
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF24
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF25
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF26
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF27
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF28
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF29
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF30
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF31
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF32
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF33
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF34
FILTER,
SM,
E
M1/LPF,
360pF,FER
1306-T361F2D5
LPF35
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF36
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF37
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
LPF38
FILTER,
SM,
EM1/LPF,
360pF,FER
1306-T361F2D5
MIC1 HEADER,
.1",4C
CT,R/A
PCB,.120"
5021-H604L025
P1 CONNECTOR, F48 MALE, RA PCB 3720-6048M0RA
PCB
PCB,
MAIN, P25
REPTR.
TRANSMTR 4421-10500626
Q1 – Q4
MOSFET,
2N7002LT1 N-CHAN,SOT23 2142-2N7002L0
R1
RES.,
SM,
15K0 0805, 1%,100ppm 1150-4A1502FP
R2
RES.,
SM,
82K5 0805, 1%,100ppm 1150-4A8252FP
R3
RES.,
SM,
10K0 0805, 1%,100ppm 1150-4A1002FP
R4
RES.,
SM,
0R0 ZERO OHM
JUMPER,1206
1150-0B0R0000
R5
RES.,
SM,
10K0 0805, 1%,100ppm 1150-4A1002FP
R6,
R7
RES.,
SM,
47K5 0805, 1%,100ppm 1150-4A4752FP
R8
RES.,
SM,
10K0 0805, 1%,100ppm 1150-4A1002FP
R9
POT.,
SM,
5K0 12T, TOP ADJUST 1172-M20502W5
R10
RES.,
SM,
604R 1206, 1%,100ppm 1150-2B6040FP
R11
POT.,
SM,
5K0 12T, TOP ADJUST 1172-M20502W5
R12
RES.,
SM,
1K0 0805, 1%,100ppm 1150-3A1001FP
R13
RES.,
SM,
15K0 0805, 1%,100ppm 1150-4A1502FP
R14
RES.,
SM,
10K0 0805, 1%,100ppm 1150-4A1002FP
R15
RES.,
SM,
604R 1206, 1%,100ppm 1150-2B6040FP
R16
RES.,
SM,
100K0 0805, 1%,100ppm 1150-5A1003FP