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#1. mbx-165 with circuit protection problem Sol: when the PQ20 -PUMB2 is not solder in the mobo i get the correct voltage 9v at gate in PQ26 DC_IN_G1 Same as the motherboard, the pq26’s G (DC_IN_G1) has 18V so DC_IN_R not present. DC_MOS_IN is 18V, pq25’s G is 9V. So charging chip max1909 should be […]Tags: laptop repairing, laptop repairing chip level, laptop repairing Institute
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