EE 320L - Final Laboratory Project: Marshall MG-10 Guitar Amplifier

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Presentation transcript:

EE 320L - Final Laboratory Project: Marshall MG-10 Guitar Amplifier By: Octavio Gonzalez & Dane Gentry

Implementation of the Marshall MG10 Guitar Amplifier. Description Implementation of the Marshall MG10 Guitar Amplifier.

Engineering Roles Dane Gentry: Octavio L. Gonzalez: Conceptual Initial Project Scope Schematic Selection Procurement Cross-Reference/Parts List Generation Measurement/Tolerance Verification Component Mapping Sheet Parts Ordering Demonstration Materials Marshall Combo Cabinet Speakers Provided Guitar & Cables Implementation Integration Modifications (DPST) Soldering Demonstration/ Presentation Played Guitar for Amp Testing Organized Presentation Materials and PowerPoint Octavio L. Gonzalez: Conceptual Purpose and Methods Relevancy and Guidance Integration/Design Specifications and Cross-Compatibility Modification Constraints Schematic Validation Layout and Sectionalizing Implementation Breadboard Implementation Integration/Revision Modifications Soldering, Fabrication, Construction Testing Primary Testing/Troubleshooting Circuit Verifications Demonstration/ Presentation Organized Presentation Materials and PowerPoint

Marshall MG10 Guitar Amplifier Schematic

Power Supply Section Implementation Schematic

Input/Pre-Amp Section Implementation Schematic

Overdrive Section Implementation Schematic

Contour Section Implementation Schematic

Overdrive Section Implementation Schematic

Power Amp Section Implementation Schematic

Problems Encountered Missing components. Used equivalent components as replacements & ordered components online Missing 0.1 ohm (Ω) resistor Soldered four groups of five 2 ohm (Ω) resistors and placed in parallel to simulate 0.1 ohm (Ω) resistor (Twenty 2 ohm (Ω) resistors in parallel = 0.1 ohm (Ω)) Didn’t have a double-pole double-throw (DPST) switch Found DPDT switch but pins were larger than breadboard holes Soldered wires to pins of switch Mistakenly connected AC to DC and destroyed the TDA2030 IC. Used back-up TDA IC Broke pin off TDA2030 IC Soldered wire in place of broken pin

Conclusion This Project provided insight to best circuit routing practices and noise mitigation. It also improved soldering and fabrication skills. The amp is loud and runs HOT!

QA and Demo 16Ω Speaker Cabinet Complete Implementation