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中央空调控制系统中英文对照外文翻译文献

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soldered onto the circuit board. The chip is pushed into the holder when all solding plete.РChip holders are only nedded when solding so they are not used on breadboards.РCommercially produced circuit boards often have chips soldered directly to the board without a chip holder ,usually this is done by a machine which is able to work very quickly .Please do not attempt to do this yourself because you are likely to destroy the chip and it will be different to remove without damage by de-soldering.РRemoving a chip from its holderРIf you need to remove a chip it can be gently prized out of the holder with a small flat-blade screwdriver. Carefully lever up each end by inserting the screwdriver blade between the chip and its holder and gently twisting the screw drive. Take care to start lifting

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