Emtron DX-3SP Manuals

Emtron DX-3SP Manuals

Manuals and User Guides for Emtron DX-3SP. We have 1 Emtron DX-3SP manual available for free PDF download: Operating Manual

Emtron DX-3SP Operating Manual

Emtron DX-3SP Operating Manual (46 pages)

HF Linear Amplifier

Brand: Emtron | Category: Amplifier | Size: 5 MB

Table of Contents

Table of Contents
3
1 General Description

5
- DX-3Sp - Internal View
  6
2 Technical Specifications

7
3 Unpacking

9
4 Installation Environment

10
- Required Environment
  10
- Power Requirements
  10
5 Front Panel

11
- Controls
  11
- Displays
  11
6 Rear Panel

12
- Power / Earth Connections
  12
- Rf Connections
  12
- Transceiver Control
  12
7 Electrical Connections

13
8 DX-3Sp Description

15
- Rf Section
  15
- Mains Transformer
  15
- Power Supply
  15
- Soft Start Module
  15
- Sensor Module
  15
- Antenna Relay / Qsk Module
  16
- Display Board
  16
- Control Board
  16
9 Powering up

17
10 Operation

17
- Tuning Procedure
  17
  - General
    18
  - Preliminary Tuning
    18
  - Final Tuning
    19
  - Potential Problems During Tuning
    20
- Using Your DX-3Sp
  20
12 Troubleshooting - if Something Goes Wrong

21
- No Power
  21
- Fan Not Working
  22
- If the FAULT Light Turns on
  22
- Over-Temperature Cut-Off
  22
- Over-Current Cut-Off
  22
- Ig2 Blinks Fast - no Plate Voltage
  22
- Sparks / Discharges in Rf Area
  23
- SWR Cut-Off
  23
- Frequent Over-Drive Protection Cut-Off
  23
- Tube Replacement
  23
11 Switching the Power off

21
13 Warranty / Service

23
14 Glossary

24
15 Appendix 1: Schematic Diagrams

25
- Block Diagrams
  25
  - DX-3SP Block Diagram
    25
  - Ac Input and Wiring Diagram
    26
- Circuit Diagrams
  27
  - SOFT START Single Phase - Circuit Diagram
    27
  - HIGH VOLTAGE POWER SUPPLY - Circuit Diagram
    28
  - RF Module Simplified
    29
  - RF Output Circuit
    30
  - QSK - Circuit Diagram
    31
  - RF Sensor
    32
  - DISPLAY BOARD - Circuit Diagram
    33
  - CONTROL BOARD - Circuit Diagram
    34
- Control Board and Adjustment Points
  35
  - Control Board Component Layout
    36
  - Control Board - Solder Side Track Work
    37
16 Appendix 2: Waveforms

38
- Qsk Switching
  38
- Linearity
  38
17 Appendix 3: Adjustments

39
- Control Board
  39
  - Pre-Bias Adjustment
    39
  - Bias Adjustment
    39
  - Swr Protection Adjustment
    40
  - Ebs Adjustment
    41
  - Screen Voltage Adjustment
    41
  - Screen Current Limit Adjustment
    41
  - Iptrip Adjustment
    42
- Display Board Adjustments
  43
  - Plate Current
    43
  - Plate Voltage
    44
  - Reflected Power
    44
  - Forward Power
    44
- RF Sensor (Bridge) Adjustment
  45

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