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Step 8Validation: does everything work?
You're now ready to verify that you haven't fried the device. First, set up the AC adapter by plugging the Size "M" Adaptaplug into the end of the adapter cable. Make sure that the "(+)" mark on the plug is aligned with the "TIP" mark on the cable. This specifies that the center pin is positive, and the outer shell is grounded.
Plug the AC adapter into your device and into the wall. Turn it on. For the mobile (since the armature is disconnected) you should hear the annoying digital music start to play. If not, unplug the adapter and check all of your solder connections.
Disconnect the adapter and put the batteries back into the compartment, without closing it up. Turn the mobile back on, and it should work as before. If not, see above.
Finally, with the batteries in place, reconnect the AC adapter and turn the device on again. It should work as before. You should also confirm (by touch) that the batteries are not getting warm, nor that there's any unexpected smells or smoke. The NC switch on the AC socket ensures that the batteries are cut out of the circuit entires when the adapter is in use.
Plug the AC adapter into your device and into the wall. Turn it on. For the mobile (since the armature is disconnected) you should hear the annoying digital music start to play. If not, unplug the adapter and check all of your solder connections.
Disconnect the adapter and put the batteries back into the compartment, without closing it up. Turn the mobile back on, and it should work as before. If not, see above.
Finally, with the batteries in place, reconnect the AC adapter and turn the device on again. It should work as before. You should also confirm (by touch) that the batteries are not getting warm, nor that there's any unexpected smells or smoke. The NC switch on the AC socket ensures that the batteries are cut out of the circuit entires when the adapter is in use.
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