In this video I cover the details of the SX-1250 vertical board rebuild service that I began offering to customers in 2024.
Flux removal technique shown by Prime HiFi
https://youtu.be/C8XJRz27kus?si=NBLkKDTqTveDRu-k&t=2745
00:00 Introduction
01:14 Test Jig Overview
03:38 Preamp / Power Amp Isolation
05:08 Board Removal
10:49 Initial Testing of Suspect Cards
16:20 Protect Service
21:53 Power Supply Service
26:03 Protection & Power Supply Testing Post Rebuild
28:10 Driver Board Service
31:24 Full Performance Testing Post Rebuild
38:14 Loading The Cards Back Into the Chassis
45:15 Adjustments
1:00:00 Outro