In this video 'Fosi BT20A Troubleshooting a Class D Amplifier'. #Fosi Audio, #troubleshooting, #BT20A, #QA401, #QuantAsylum, #THD, #IMD, #THD plus Noise Picquic screwdriver set: https://amzn.to/3PfbPTn Workpro driver set: https://amzn.to/443HVFz video where I blew it up: https://youtu.be/OgXRH44QIyI 20 Watt Class A Amplifier Troubleshooting video: https://youtu.be/0aWWtGwbxw0 PicQuic tool: https://amzn.to/3JjWBst PicQuic small tool: https://amzn.to/3CAvrKa 20W Class A Amplifier Boards; https://ebay.us/7VvhSQ Wago Connectors: https://amzn.to/3W81slJ _________________________________________________________________________________________ You can support this channel with this link to Patreon - I really do appreciate your support? This support helps me purchase the equipment I use for testing a reviews. Patreon.com/KissAnalog Or you can support this channel with a one time donation on PayPal at: KissAnalog@gmail.com Link to T-Shirts and more: http://www.redbubble.com/people/kissanalog __________________________________________________________________________________________ Link to Topdon Thermal camera at Amazon: https://amzn.to/3pA7M99 Link to Pergear Infrared T2S+ camera: https://www.pergear.com?ref=mGrqM Link to Amazon Infrared T2S+ IOS camera: https://amzn.to/42c6hwc Amazon Infrared T2S+ Android camera: https://amzn.to/3LkmIQ3 Amazon HT-A2 thermal camera: https://amzn.to/3NlDRLW Picoscope 4444: https://amzn.to/3AYJzfu Picoscope 3604D: https://amzn.to/3LDZAfp OWON XDS3064AE 14 bit Oscilloscope: https://amzn.to/42junoK OWON XDS3202A: 14bits 100MHz 2GSs 2Ch Oscilloscopehttps://amzn.to/429O42s Picoscope 5444 box openings: https://youtu.be/fSnLOsTwOqE OWON - a first look: https://youtu.be/_bYCnCIAVKI Link to lower cost PicoScope: https://amzn.to/3mVFTaT Link to Uni-T spectrum analyzer: https://amzn.to/3V3yJOs https://instruments.uni-trend.com/US-EN/SpectrumAnalyzers/Link to low cost Power Cable with 10AWG shielded cable: https://amzn.to/377C8qU Audiophile Power Cable Rant: https://youtu.be/H-8bXR-nXC0 Please use links that cost nothing extra but will help support the channel: TPA3255 Power Amplifier board: https://amzn.to/3LgRZTl GW Instek 4 channel MDO Oscilloscope: https://amzn.to/3rvY7PK MicSig Oscilloscope: https://amzn.to/3B4DcXe MicSig Differential Scope Probe: https://amzn.to/3HvRG4A Pico Oscilloscope: https://amzn.to/35UytvC IR Thermal Camera: https://amzn.to/3J92LJu Silicone Blue work mat: https://amzn.to/37a9txL Kaiweets Store (using this link will help support this channel): https://kaiweets.com/collections/hot-sales Kaiweets: https://kaiweets.com?sca_ref=1269738.glN6S8aePH Other videos that might be of interest: EEVblog Comments on Fluke Rant: https://youtu.be/Cy8Q6XVUY2c Fluke Rant - Are they over priced? https://youtu.be/3YW0aaED9aQ Fluke Rant - Better Test Leads Please; https://youtu.be/JSD9f6I4p8g Fluke TPAK Hanging meter Kit $42 or $10; magnetic hanger comparison: https://youtu.be/WPn-14ef5jM EEVblog is Santa Claus - Thanks Dave!!: https://youtu.be/9fFDAK-gtok EEVblog comments;) Fluke Rant - are they Over Priced?: https://youtu.be/GOFkDEISpsc The Iconic Fluke 87V: https://youtu.be/19UNLVsgsx4 Fluke 27 Exposed and giveaway: https://youtu.be/dHa9wx-Kgtk Please support this channel that will not cost anything extra by using my link to Borbede BD-99, this meter is around $47 which is low cost for a high count meter with high accuracy: https://amzn.to/3DRgUbZ Fluke 87V link: https://amzn.to/3l4QUCq Hioki 4256 multimeter: https://amzn.to/3idmexS Hioki 4282 multimeter (my favorite meter): https://amzn.to/3xjwGYN Testo 760-2 Multimeter (on Sale): https://amzn.to/38PQE4H Amazon Commercial 90DM610 Multimeter: https://amzn.to/2XOO4pf Redfish Clamp-on Power meter: https://redfishinstruments.com/product/idvm-550 TDA8954 Class D amplifier: https://amzn.to/2LBqvxF GW Instek MDO-2204EX (has Generator, Power Supply, and Multimeter):https://amzn.to/3xmCQYa Micsig Differential Probe: https://amzn.to/3oUDtVu Micsig Current Probe: https://amzn.to/3nRso6v Hantek Current Probe (low cost): https://amzn.to/3qrbVHH PinTek Differential Probe: https://amzn.to/39SWqlt Uni-T 2-Channel ARB Generator: https://amzn.to/3iibBs5'. I'll show how I did the final repair on this ... https://www.youtube.com/watch?v=cIZmyaCe3Uw

... https://www.youtube.com/watch?v=QXqSDEHmaW4