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  1. 01-08-2010 #11
    irving2008's Avatar
    Lives in NW London, gateway to A1 & M1, United Kingdom.
    irving2008
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    yes... but it could equally be setting the current limit! might be worth twiddling....

    I've identified all the parts on the daughter board with the except of U102 and U105 which are just above the variable resistor, marked A012. All the other transistors on the board are generic NPN (1Bp = BC846) and PNP (3Dp = BC856) but these are designated like ICs - I have a suspicion they might be band-gap current sources or something...i dont think they are mosfets as these are designated 'Q' types elsewhere and diodes are 'D' (there are 6 generic small signal types and 2 zeners).

    I've imported the diagram into Visio and populated it... now just putting in the links.... see attached WIP...
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: daughter1.jpg  Views: 1813  Size: 358.2 KB  ID: 2493  
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