Specifications

Color Change
The color change PCB, the color change motor, the cam, and harnesses are located
under the color change covers behind the embroidery head tensioner area.
PCB Replacement
The Color Change PCB is an interface from the CPU for color change commands
from the design and keyboard; and thread break and needle position information
from the tensioner PCB. To remove the color change PCB refer to the following
procedure:
1. Remove the left and right tensioner covers as described earlier (see Figure 3-6).
2. Refer to Figure 3-4 to remove the left color change cover behind the tensioner
assembly by first loosening the top two screws then removing the side two screws.
3. Next remove the two screws in the side of the right color change area cover and
remove the cover.
4. Install a static grounding strap between the working surface and the personnel
performing this procedure.
5. Disconnect the harness from the head and the ribbon cable from the tensioner
PCB (see Figure 3-16).
color change
cover (right side)
color
change
PCB
left color
change
cover
connection for the
harness from the head
connection for the
ribbon cable from
the tensioner PCB
Figure 3 - 16
3 - 18 Color Change
EMT 10T Technical Manual Melco Embroidery Systems