Pioneer SX-1250 ~ Full Amplifier Section Rebuild at the Bench

In this video I turn a trashed SX-1250 parts unit into a usable jig for testing power supply, protection, and driver cards. This video documents the amplifier rebuild process from start to finish.

00:00 - Introduction
03:40 - Output Transistor & Heat Sink Removal
06:06 - Sandblasting the Heat Sinks
06:43 - Main Filter Capacitor Removal
08:41 - Main Filter Capacitor Testing (LC-102)
19:12 - Main Filter Capacitors Reinstalled & Initial Test
20:42 - Stabilizer (Power Supply) Card Rebuild & TS
31:08 - Output Transistor & Heat Sink Reinstallation
37:14 - Driver Card Rebuild & TS
46:00 - Stabilizer Card Adjustment
47:00 - Bias Adjustment
49:29 - DC Offset Adjustment
50:36 - Full Output Power and Distortion Reference Testing