Time to work on the other board. This one required lots of time for the service work. Used so many hard wires to re-create the missing tracks and pads. Its not easy to imagine the actual size from this photo but just for this area, there are three hard wires used. The diameter is in the order of 0.5mm. ...
Rebuilt the dissolved GND plains and strengthen surrounding tracks and pads against the noise. ...
Requires some repair work around the Diode module DM11 The nearby track was completely gone . The area where the acid managed to penetrate through the board to the bottom (solder) side As ...
Working on another CCU board in parallel with the one (Blog header A - **) mentioned earlier. From the batch no. on the case, both CCU boards looked to be from similar year model but this one showed worse condition than the other one. The acid leakage from the capacitor managed to penetrate through the board and corroded the ...
The usual process of cleaning and inspecting the board in order to decide which method to be used to refurbish the board. ...
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