First, how to look at the whole machine circuit diagram 1, according to the order from large to small, from coarse to fine, read various circuit diagrams As mentioned above, the general circuit diagram mainly includes the whole machine or system block diagram, the block or system circuit schematic, the printed circuit board diagram [...]
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a thru-hole component is described as a component leaded with a wire or a metallic lead that is mounted to the board by placing the lead though plated holes in the board and then soldered. The quality of the solder joint is important for several reasons. The solder joint is the actual connection between [...]