Answer to "Bowers and Wilkins A7 How to disassembly the unit"Okay, this has been a productive project for me, I bought an A7 on ebay because I like them and well if you can’t open it you don’t own it right. First thanks everyone for the good information. Second here is a link to a legible copy of the SMPS schematic page. https://www.abcelectronique.com/forum/at... ISO14000 is a great help and the schematics are essential though only of the power supply. His forum is in French but a few posts are English and the best images of the schematics are there. https://www.abcelectronique.com/forum/sh... An important post on the French forum is #80 a link to the photo from that post is below, again it is for power supply test. https://www.abcelectronique.com/forum/at... I recapped my power supply before I found post #80 so I am not sure that it was failing but the power board is good now, very gratifying. I used 3, 40 Ohm 50W resistors for the loads. I still have a problem and a photo, I will get to that. The symptom I have now is, with the A7 assembled, if I try to power up...