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Replacing the ECPU Board Before Turning Off Power-All Procedures <br /> 4 Continuing to apply <br /> pressure with fingers, <br /> gently lilt the tool <br /> straight up until the <br /> chip pins are clear <br /> jl of the socket. <br /> Rest bottom of tool on <br /> G socket Pushdown with p <br /> thumb to hold tool on <br /> socket. <br /> T <br /> sides Q Pull upo with fingerson • • 3 with fiuem pulp <br /> t t Slitles[p dose likilg with fingers until <br /> Lifting clamps clamps against ends chip is lifted up <br /> of EZ chip and lifting against bottom <br /> hooks under ends of tool. <br /> Lifting hooks of chip <br /> � �nnLw 7 <br /> uv r ee, <br /> Figure 4. Removing the EEPROM Chip from the ECPU Board <br /> JI <br /> __1_____1_____'1_____ <br /> __ 1 <br /> �1—mltammmllllmmllllmmmimmmlmmm mlmlf—_ II I I I I I 1 , 11 I h <br /> -- ,�,IIaIMINIMIaIH1a111RMMN111HMIMIIMIMINRfIIN -sU II I I I I <br /> � <br /> _________________ <br /> U16 <br /> U13 r----I Notch � U32 <br /> (Painted <br /> l I an board) I <br /> l ' I <br /> I ' 1 <br /> I <br /> Indented <br /> semicircle <br /> (On chip) <br /> ulz <br /> 1 , <br /> I <br /> I , I <br /> -___ <br /> Check to see that chip pins are aligned and not bent Orient chip so that the small indented semicircle on ----- <br /> the <br /> ----the top of the chip is on the same end as the small notch painted on the board above the socket(in this U33 <br /> example on the top).Carefully align the chip pins over the socket holes and gently push the chip down until <br /> all the pins are in the socket holes.Then push down firmly and evenly on the chip until it is down against the <br /> socket Check to see that each of the pins is in its socket 637 6 a, <br /> Figure 5. Orienting Ez Chip <br /> 9 <br />