The first step, get a PCB, first in the paper to record all the models of gas, parameters, and location, especially the diode, the direction of the three tubes, IC gap direction. It is best to use a digital camera to take two pieces of the location of the photo.

The second step, remove all the devices, and the PAD hole tin removed. Clean PCB with alcohol, and then into the scanner, start POHTOSHOP, with color way to sweep the silk surface, and print out the spare.

The third step, water yarn paper TOP LAYER and BOTTOM LAYER two slightly polished, polished to the copper film shiny, into the scanner, start PHOTOSHOP, with color way to sweep the two layers were. Note that the PCB placed in the scanner must be horizontal flat tree straight, otherwise the scanned image can not be used.

The fourth step, adjust the contrast of the canvas, brightness and brightness, so that part of the copper film and no part of the copper film contrast, and then sub-map to black and white, check the line is clear, if not clear, repeat this step. If clear, store the graph as black and white BMP format files TOP.BMP and BOT.BMP.

The fifth step, the two BMP format files were converted to PROTEL format files, in the PROTEL transferred into two layers, such as two layers of PAD and VIA location of the basic coincidence, indicating that the first few steps to do a good job, if There is a deviation, then repeat the third step.

Sixth, will TOP. BMP to TOP. PCB, pay attention to the SILK layer, that is, that layer of yellow, and then you line in the TOP layer line is, and according to the second step of the drawings placed devices. Draw the SILK layer after painting.

The seventh step will be BOT. BMP is converted to BOT. PCB, pay attention to the SILK layer, that is, that layer of yellow, and then you are in the BOT layer line is it. Draw the SILK layer after painting.

Step 8, in the PROTEL will TOP. PCB and BOT. PCB transferred into a map on the OK.

Step 1, with the laser printer TOP LAYER, BOTTOM LAYER were printed on the transparencies (1: 1 ratio), the film on the piece of PCB, compare whether it is wrong, if yes, you're done it.