Donn Steward CPUville 8-bit Buku Petunjuk - Halaman 11

Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Monitor Donn Steward CPUville 8-bit. Donn Steward CPUville 8-bit 14 halaman. Processor register display kit

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6. The 4-position DIP switch is soldered so ON is up (toward the rear of the board).

7. The 16-pin header receptacle is soldered on the back of the circuit board:

8. Once you have finished soldering all the parts on the computer, inspect the board to make sure

there are no solder bridges or unsoldered pins. Lightly brush the back of the board with an old

toothbrush or paintbrush to clear off loose debris or tiny solder hairs. You can also wipe the

back of the board with a cloth soaked in alcohol to remove rosin flux spatters. Hold the finished

board against a bright light. If you can see light coming through a pin hole, go back and solder

it again, to make sure you have a good electrical connection. This does not apply to the vias, the

plated holes where a trace goes from one side of the board to the other. These can be left open.