Bop Disassembly And Repair Procedures - QSC K8 Service Manual

7. BOP disassembly and repair
procedures
7.1 Faceplate
Removal
1. Remove the 10 screws around the perimeter of the BOP. These screws secure
the faceplate to the main bucket.
2. Partially lift the faceplate assembly out to gain access to the ribbon cable wire
trap.
3. To release the ribbon cable, press down on the white housing of connector J2B
(see Figure 7.2).
Note: Do not pull up forcefully on the ribbon cable. It should come out easily if
the white housing is firmly being pressed down.
4. Remove the four screws that secure the EMI shield to the main bucket.
5. Remove the EMI shield from the assembly.
6. Disconnect the two AC power wires from J14 (brown wire) and J15 (blue
wire).
7. Separate the faceplate assembly from the main bucket assembly. Complete.
Installation
1. Install the input/DSP and PSU/amplifier PCBs to their original locations.
2. Connect the two AC power wires (J14 brown, J15 blue) to the PSU/amplifier PCB.
3. Install the EMI shield.
4. Fasten the 4 screws that secure the EMI shield to the main bucket.
5. Prepare the ribbon cable for insertion. Straighten and align the wires coming out of the ribbon cable.
6. Insert the ribbon cable into the wire trap.
Note: If the ribbon cable doesn't go in easily, press down on the white housing of connector J2B so that the cable easily
goes into the wire trap.
7. Set the faceplate assembly on the main bucket and align the holes along the perimeter of the faceplate.
8. Fasten all 10 screws to complete installation.
TD-000487-00
K Series Service Manual
Figure 7.2 - Put pressure on the white housing to release the
ribbon cable
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