Miller and Kreisel MK V-2B Subwoofer - No sound - Blown Fuse - Replacing STK086 with a STK086G

Time for another Miller and Kreisel V-2B Subwoofer. It came in with a blown fuse on the circuit board, I determined that the STK086 was damaged. The replacement(s) I ordered were cheap Chinese knock offs, and had massive distortion. I ended up making some circuit changes to allow a STK086G IC to be used.

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Thank you to these people that have supported my channel by making a donation or by having me repair their unit.

Mike Bale David Arballo Richard Hudson Karen Shegog Rudy Kraker Dan Latorre Jim Louderback Philip Brown (Thank you for monthly support) Justin Tuhua Cynthia Adams John Roach John Quinn Ashley Silas Sherri Parsons Jim McCarthy David Arballo Steve Navarro Keith Claro Frank Conlon Graham Foral Bob Hendrix Jim Meschler David Jacobson Randy Fink Scott Kullen Obaid Khan Robert Brothers Timothy Edds Brian Gay Owen Flint Dana Dainels Tyler Bridge Dena Hamilton Paul Agbuya Samuel & Nancy Guich Dot Morgan Timothy Ritchel William Holloman Cynthia Adams Andrew Oros George Savage Graham Foral Paul Agbuya Scott DuVall Christian Brenzel Russell Houtz Philip Brown Michael King Erick Pastor Robert Ettinger Christopher Cicero Heath Lasswell Timothy Ritchel Benjamin Rubio Michael Dukes Dot Morgan Casey Cane Teri DeLeo Kelly Knutson Howard Goble Diana Williams Reed Graham Christopher Wang David Ammerlaan John Johnson Shaheed Amirkhan Brett Sherry Joseph L Ozvold Sweidan Omar John Eggers Linda Kuo Daniel Pyles Melanie Branton Lisa Sklar Barry Marchant John Harper Larry Mcdonald Annette Lewis Howard Goble Hugo Tajimaroa M R Rajesh Uri Cohen

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00:00 Intro and first look
00:53 The blown fuse
01:50 There is the problem
02:30 ESR main filter capacitors
03:51 ESR 5 caps on the main board
04:46 Replacement parts
08:00 ESR caps out of circuit
09:18 Replacing 10000uf caps
10:39 Pretension the Molex pins
11:11 It sounds terrible
12:06 Measuring bias voltages
15:08 The replacement STK086G IC
15:58 Circuit changes have been made
18:53 Bonus footage - STK teardowns
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