Pride DX-300 Manuals

Manuals and User Guides for Pride DX-300. We have 1 Pride DX-300 manual available for free PDF download: Service Manual

Pride DX-300 Service Manual

Pride DX-300 Service Manual (40 pages)

Brand: Pride | Category: Amplifier | Size: 3.05 MB

Table of Contents

Table of Contents
3
CHAPTER 1 Introduction

5
- Specifications
  5
CHAPTER 2 Operation

6
- Installation
  6
- Operation
  7
CHAPTER 3 Circuit Description

9
- High Voltage Supply
  9
- Screen and Bias Supplies
  10
- Low Voltage Supply
  10
- Input and Control
  11
- Safety Interlock
  13
- Wattmeter
  13
CHAPTER 4 Maintenance

14
- Plate Current Measurement
  14
- Bias Voltage Adjustment
  15
- Wattmeter Calibration
  16
- Input SWR Adjustment
  16
- Voltage Checks
  17
- Preventive Maintenance
  17
- Tube Replacement
  18
CHAPTER 5 PCB Layouts

19
- Low Voltage Supply PCB
  19
- High Voltage Supply PCB (Board #1)
  20
- High Voltage Supply PCB (Board #2)
  21
- Wattmeter PCB
  22
- RF Input and Control PCB
  23
- Safety Interlock PCB
  24
- PCB Trace Layouts
  25
  - PCB Trace Layouts (Cont.)
    26
- Chassis Layouts Front and Rear
  27
- Chassis Layouts Top and Bottom
  28
CHAPTER 6 Parts Lists

29
- High Voltage Power Supply PCB #1
  29
- High Voltage Power Supply PCB #2
  30
- Safety Interlock PCB
  30
- Low Voltage Power Supply PCB
  31
- RF Input and Control PCB
  32
- Wattmeter PCB
  33
- Chassis
  33
  - Chassis (Cont.)
    34
CHAPTER 7 Circuit Modifications

35
- Introduction
  35
- Screen LED Modification
  35
- Screen Supply Modification
  35
- Tube Oscillation
  35
- Wattmeter PCB Modification
  35
- Bias Circuit Modification Version 1
  36
- Bias Circuit Modification Version 2
  36
CHAPTER 8 Component Information

37
- Introduction
  37
- Antenna Change over and Preamp Relay Information
  37
- Band Switch
  37
- Blower Detail
  39
- Part Suppliers
  39

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