Elenos ETG250 Power FM Transmitter Manuals

Manuals and User Guides for Elenos ETG250 Power FM Transmitter. We have 1 Elenos ETG250 Power FM Transmitter manual available for free PDF download: User And Maintenance Manual

Elenos ETG250 User And Maintenance Manual

Elenos ETG250 User And Maintenance Manual (124 pages)

Stereo Line FM Transmitter

Brand: Elenos | Category: Transmitter | Size: 7 MB

Table of Contents

Table of Contents
3
1 General

5
- Front View
  5
  - Front Panel Description
    5
- Rear View
  7
  - Rear Panel Description
    7
2 Installation

9
3 User Instructions

10
- User Interface
  10
- Telemetry Connection and Operation
  11
- Powering up
  13
  - Main Menu
    14
  - Functions Menu
    15
  - Audio Menu - Input Signal Level Adjustment
    16
  - RF Menu - Output Power Adjustment
    17
  - Frequency Menu - Frequency Programming
    18
  - User Setup Menu
    19
  - Timer Display
    20
  - RDS Menu - RDS Adjustment and Programming (Optional)
    21
  - Deviation E Statistics Menu
    25
  - RDS Encoder Programming
    27
  - Technical Data
    38
- Checking Performance
  39
4 General Description

41
- Introduction
  41
- Using the Block Diagram
  41
- Block Diagram
  41
  - Transformer Version
    47
- Power Supply Section
  47
  - Services
    47
  - Power 4.4.2.1. Switch-Mode Version
    47
    
    Transformer Version
    48
- Radio Frequency Section
  48
  - Driver
    48
  - RF Module
    49
  - Low-Pass Filter
    49
    
    Output Power Measurement
    49
    
    AGC Protection
    49
- Logic (Mother Board)
  50
  - CPU Board
    50
  - ALC Board
    50
  - VCO/PLL Board
    50
  - MPX Board
    50
- Keyboard
  50
- Optional Boards
  51
  - Stereo Input Board
    51
  - Stereo Encoder Board
    52
5 Electrical Schematics

57
- Auxiliary Power Supply 5.1.1. Layout
  57
  - Parts List
    61
- Switching Power Supply 5.2.1. Layout
  63
  - Parts List
    67
    
    Vco
    73
    
    Mpx
    77
    
    Cpu
    81
  - Parts List
    83
- Keyboard
  93
  - Layout
    93
  - Parts List
    97
  - Layout
    99
- Driver
  100
  - Schematic
    100
  - Parts List
    101
  - Layout
    103
  - Schematic
    104
  - Parts List
    105
  - Layout
    107
  - Schematics 5.7.2.1. Directional Coupler
    108
    
    Directional Coupler Amplifier
    109
    
    Low-Pass Filter
    110
  - Parts List
    111
- Input Output Combiner System 5.8.1. Schematic
  113
- BUS Board 5.9.1. Layout
  115
  - Schematic
    116
  - Parts List
    117
- Thermal Probe 5.10.1. Layout
  119
  - Schematic
    119
  - Parts List
    120
6 Troubleshooting

121
7 Technical Specification

123

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