Quick bench testing on both boards and happy with the result so time for the conformal coating. Board A with more damages. ...
The board that was hand carried together with Bose AMP and Alpine head unit. Severe leakage and while it managed to penetrate deep into the board, the number of damages were far less than the other board A. ...
The board ...
Recently, I started servicing the two A/C CCU board in parallel. One owner sent the board through the post and the other owner hand carried it to my place together with 3 x Bose AMP and OEM Alpine Head Unit. For the first time, I found out that I was working on the two CCU board from the same Lot no.. The owner who sent the board through the post didn't include the black plastic case that has the Lot no. written on it so I had ...