Specifications

CPU PCB Replacement
1. Turn OFF the power switch to the EMC 10/4 and remove the power cord from
the power source electrical outlet and the rear of the machine.
2. Remove the controller section rear cover #4 as previously described.
3. Remove the EMI box cover as previously described.
CAUTION! Failure to use a properly installed static grounding strap may cause
damage to the electronics in the EMC 10/4.
4. Install a static grounding strap between the EMC 10/4 and the personnel
performing this procedure.
5. Remove the interface cables connected to the CPU PCB at the rear of the EMC
10/4.
6. Remove the screw and washer attaching the CPU PCB bracket to the EMI box
side (refer to Figure 3-5).
Top view of EMI Box with the
2 upright PCBs installed and
most harnesses removed.
interface
cables
PCB attaching
screws and
washers
CPU PCB
Trimmer
Interface
Board
REAR OF MACHINE
Backplane
PCB
Figure 3 - 5
3 - 6 Controller Section
EMC 10/4 Technical Manual Melco Embroidery Systems