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Emtron DX-1d Linear Amplifier Manuals
Manuals and User Guides for Emtron DX-1d Linear Amplifier. We have
1
Emtron DX-1d Linear Amplifier manual available for free PDF download: Operating Manual
Emtron DX-1d Operating Manual (40 pages)
HF LINEAR AMPLIFIER
Brand:
Emtron
| Category:
Amplifier
| Size: 0 MB
Table of Contents
Table of Contents
3
1 General Description
5
D - Internal View
6
2 Technical Specifications
7
3 Unpacking
8
Opening the Carton
8
Opening the DX-1D Cover
8
Removing the Packing Block
8
4 Installation Environment
9
Required Environment
9
Power Requirements
9
5 Rear Panel
9
Power / Earth Connections
9
Rf Connections
9
Transceiver Control
9
6 Front Panel
10
Controls
10
Displays
10
7 Electrical Connections
12
Connections to Transceiver / Exciter
12
Earth and Mains Connections
12
The Power Cable (Export Version)
12
Operation at 230V, 220V, 200V, 100V and 120V (Export Version)
12
8 DX-1D Description
14
Rf Section
14
Mains Transformer
14
Power Supply
14
Soft Start Module
14
Sensor Module
14
Antenna Relay / Qsk Module
14
Display Board
15
Controller Board
15
9 Powering up
16
10 Operation
16
Tunning Procedure
16
General
16
Preliminary Tuning
16
Final Tuning
17
Potential Problems During Tuning
18
Alc Adjustment
18
USING YOUR DX-1D
19
CW / RTTY and All Digital Modes
19
Voice Modes (SSB)
19
Hints on Good Linearity and Efficiency
19
11 Switching the Power off
20
12 Troubleshooting - if Something Goes Wrong
20
No Power
20
Fan Not Working
20
If the FAULT Light Turns on
20
Over-Temperature Cut-Off
20
Over-Current Cut-Off
21
Ig2 Blinks Fast - no Plate Voltage
21
Sparks / Discharges in Rf Area
21
SWR Cut-Off
21
Frequent Over-Drive Protection Cut-Off
21
Tube Replacement
21
13 Warranty / Service
21
14 Glossary
22
15 Appendix 1: Schematic Diagrams
23
D Block Diagram
23
Circuit Diagram - High Voltage Power Supply
24
Control Board and Adjustment Points
25
Circuit Diagram - Ac Input and Wiring Diagram - Standard
26
Circuit Diagram - Ac Input and Wiring Diagram - U.s. Version
27
Circuit Diagram - Soft Start (200 to 240 V Operation)
28
Circuit Diagram - Qsk
29
Circuit Diagram - Rf Module
30
Circuit Diagram - Control Board
31
Control Board - Component Legend (Silkscreen Top)
32
Control Board - Solder Side Track Work
33
16 Appendix 2: Waveforms
34
QSK (Optional Module) Switching
34
Linearity
34
17 Appendix 3: Adjustments
35
Control Board
35
PRE-BIAS ADJUSTMENT (Adjustment: POT7, Marked PRE_BIAS)
35
BIAS ADJUSTMENT (Adjustment: POT3, Marked BIAS)
35
SWR Protection Adjustment
36
EBS ADJUSTMENT (Adjustment: POT4, Marked EBS)
36
SCREEN VOLTAGE ADJUSTMENT (Adjustment: POT2, Marked SCREEN)
36
SCREEN CURRENT LIMIT ADJUSTMENT (Adjustment: POT1, IG2LIMIT)
37
IPTRIP ADJUSTMENT (Adjustment: POT6, Marking: IP TRIP)
37
Display Board Adjustments
39
PLATE CURRENT (Adjustment: VR4, Marked: AMP)
39
PLATE VOLTATE (Adjustment: VR2, Marked: VOLT)
39
REFLECTED POWER (Adjustment: VR3, Marked: RF R)
39
FORWARD POWER (Adjustment: VR1, Marked: RF F)
39
SCREEN CURRENT (Adjustment: VR6, Marked IG2+, VR5, Marked IG2-)
39
Rf Sensor Adjustment
40
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