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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 lift the tool <br /> straight up until the <br /> chip pins are clear <br /> j + of the socket. p <br /> 1 Rest bottom of tool on <br /> socket Push down with <br /> thumb to hold tool on <br /> socket <br /> n <br /> Slides / 2 Pull up with fingers on ■ • '3 Continue to pull up <br /> slides to close lifting 1 with fingers until <br /> Lifting clamps \ clamps against ends 1 chip is lifted up <br /> of EZ chip and lifting I against bottom <br /> hooks under ends of tool. —--— <br /> Lifting hooks 1 of chip <br /> 637 7.Cps <br /> Figure 4. Removing the DIP Type TLS Storage Device from the ECPU Board <br /> r—I <br /> !L_____LL_____11_____1__. 3 <br /> T-r-in)nmmrmmmlrrrmmmrmmmnrmlmmnnm>r-, i'-: <br /> -- -7mllnnml»IHlnrnlinlnln+nlnln+t»Irinntn+lelM—�u i: __-j i <br /> --——————————— '1-1= I—`---� <br /> U16 � <br /> U13 I—__—— <br /> Notch <br /> U32 i---- <br /> (Painted U27 <br /> on board) <br /> ' --—————————— <br /> I I <br /> I I <br /> Indented <br /> semicircle ' <br /> (On chip) <br /> I I <br /> U12 i I <br /> ---J <br /> LE <br /> I <br /> I Y2 <br /> I <br /> Check to see that chip pins are aligned and not bent.Orient chip so that the small indented semicircle on <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.ws <br /> Figure 5. Orienting TLS Setup Storage Device DIP Type Prior to Installation <br /> 9 <br />