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positive statement then {5} feet, the negative pole {2} feet, while the end should press any key changes in the value of 500MΩ resistance to 200MΩ, but found the keys did not change, indicating conductive electrode has perished. Due to the use of self-adhesive conductive electrode bonded, so repairs can be regenerated, the first overhaul carefully tear the plastic film, coated contacts are visible black keys. Try eraser wipe the contacts of that intact, then after bonding power test machine
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