The Definitive Technology PowerField SuperCube Trinity 2000Watt Subwoofer Part 5 The Repair!

Описание

This is Part 5 of the (FINALLY Repaired) Definitive Technology PowerField SuperCube Trinity. After a complete Re-Cap and a shutdown issue, It is finally repaired. Schematics in part 4

Links for all of the SuperCube Trinity repair portions
Trinity Part 1 https://youtu.be/UyeuLPYfzR4
Trinity Part 2 https://youtu.be/0J9cML9hNaQ
Trinity Part 3 https://youtu.be/parUuZt9pXY
Trinity Part 4 with Schematics at the end https://youtu.be/jjJSun6cqj4
Trinity Part 5 https://youtu.be/B0D4q-elL10

00:00 Intro
00:25 Testing Filter Capacitor Ground Integrity
02:37 Testing the -32 Volt Supply (BAD!)
04:11 Verifying the Low Voltage Supplies??
08:01 Testing with Power Amp Connected
11:12 Is it a Bad Bridge Rectifier?
13:04 Ohm Check on the -32 and -15 volt supplies
14:39 Testing the new capacitor
15:52 Testing the resistance of everything that uses the -15V supply
28:14 There is the issue!
30:55 Adding the missing connection the the capacitor
31:41 Testing voltages after repair
33:14 Testing the repaired unit
39:15 Testing with the Infrared Camera
43:20 Final Thoughts / Closing Words
44:30 Video to the customer