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xingxingxing 發表於 2013-2-9 05:52 PM static/image/common/back.gif 按開機鍵PWRSW測I/O輸入#106有5V跳變, I/O輸出#103接南橋有0.20V跳變 南橋到I/O#109沒有信號, 由此研判南橋 ...
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xingxingxing 發表於 2013-2-9 09:51 PM static/image/common/back.gif 這一棵看來是系統主供電IC阿 查供電#5vss #6Vcc 開啟信號#12 s3 #11 s5
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