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Musical Instrument Amplifier
Tweed 5E3 PCB
Robertson Tweed 5E3 PCB Manuals
Manuals and User Guides for Robertson Tweed 5E3 PCB. We have
1
Robertson Tweed 5E3 PCB manual available for free PDF download: Build Manual
Robertson Tweed 5E3 PCB Build Manual (40 pages)
Valve Junior Conversion
Brand:
Robertson
| Category:
Musical Instrument Amplifier
| Size: 3 MB
Table of Contents
1 Introduction
2
2 Electrical Shock Warning
3
3 Disclaimer of Liability
4
Table of Contents
5
4 Project Overview
7
Parts
7
Tools
7
Supplies
7
5 ! /Hw¶VJhwVwduwhg«
8
Remove the EVJ Chassis
8
Remove the Tubes and Tube Retainers
9
Remove the Output Transformer from the Chassis
9
Clean up the Power Transformer
11
Remove the Volume Potentiometer
12
Remove the Stock EVJ Circuit Board
12
6 Prepare the Chassis
14
Layout and Drill
14
Layout the Tweed 5E3 PCB for Drilling
14
Layout the Faceplate for Drilling
15
Drilling the Chassis Base
16
7 Tweed 5E3 PCB
18
Assemble the Tweed 5E3 PCB
18
PCB Standoffs
19
Tube Sockets
19
Spade Connectors
21
Diodes
21
The Jumpers
22
Filter Capacitors
23
Bypass Capacitors
24
Install the Remaining Components
25
Input Jack Complex
27
Tone & Volume Potentiometers
28
Connect the Control Leads
29
8 Putting It All Together
30
Install the New Components
30
Hookup the Tweed 5E3 PCB
30
The New Output Transformer
32
The Power Supply Connections
34
9 Turn on the Power
36
Check Your Work
36
Take a Break
36
Visual Inspection
36
Power up Without Tubes
37
The First Power up
37
Power up with Tubes
39
The Real Test
39
10 Finish Things up
40
Re-Assemble the Amp
40
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