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A young film maker asked me check ZOOM H6 4 channel recorder. In kovid19 period he was away for few months,the batteries ( Duracell?) inside the machine gave out acid like liquid. After removing display,keyboard & motherboard , a close examination revealed that acid has damaged circuts as well as xlr input sockets. After cleaning with IPA channel 1,2 started working good. Channel 3 & 4 having lot of disturbances. Then after few minutes recorder denied to work. It is very difficult to come to some conclusions. I need schematic. If anyone can help me, please share it .Thanks to all.
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Only Zoom themselves have it, ask them and pray.
IPA is not enough, salts are water soluble, not solvent or alcohol siluble.
Carefully wash affected parts with a thin trickle of boiling water from a kettle, not kidding.
PCB and components stand clean water very well, avoid getting it inside pots/switches/transformers/etc. and dry with compressed air so as to remove all water remaining, then let dry under the sun.
Pray corrosive liquid didnīt eat thin tracks.Juan Manuel Fahey -
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