Peavey 5150 Troubleshooting and Repair

Troubleshooting and repair of a failed screen resistor on Peavey 5150 Signature model. Includes descriptions of how to check for live voltage and discharge stored energy in filter capacitors of a guitar amplifier as well as troubleshooting methods used to diagnose screen resistor failure in a guitar amplifier. --------------------------------------------------------------------------------------------------------------------------- 00:00:00 Intro 00:03:40 Screen Resistor Intro 00:05:11 Checking Voltage 00:09:28 Measuring Screen Resistors with DMM 00:11:51 Measuring Screen Resistors with IR Thermometer 00:15:50 Tube Swap To Determine Fault 00:16:14 Live Voltage Check and Discharge 00:19:07 Power Tube PCB Removal 00:25:52 Screen Resistor Removal 00:29:20 New Screen Resistor Installation 00:33:18 Power Tube PCB Reassembly 00:38:10 Powered Test with New Screen Resistor 00:40:16 Channel Switching as a Common Failure 00:41:23 Changing 3 Prong Power Cable 📌 SUPPORT THE BENCH: If this repair or the schematics saved you time, consider supporting future teardowns! 👉 Get the full parts list & diagrams for repair projects over on my blog: https://technology-enterprises.com/be... 👉 Consider throwing a few bucks in the tip jar: buymeacoffee.com/technologyenterprises 👉 Join as a YouTube Channel Member right here for early access to upcoming videos or to get your name featured in the credits!