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B-5SGS 408 Switcher • Reference Information
Figure B-4 — Locating and replacing ICs
3. Remove the existing chip and set it aside, using a standard IC removal tool.
4. Install the new chip: Locate a notch or a printed dot on top of the IC. Align
the notch or dot with the notch on the socket or circuit board. Align the IC
pins with the holes in the socket, and gently press the IC into the socket.
5. Reinstall the cover of the switcher.
6. Attach the power cord to the switcher and to the AC power source. Make
sure the switcher is working correctly.
7. If the switcher is rack mounted, remove the power cable from the switcher.
Reattach the switcher to the rack, and reconnect the power cord and input
and output cables.