Uif Pcb Removal/Installation - Mallinckrodt NELLCOR NPB-195 Service Manual

6.11 UIF PCB REMOVAL/INSTALLATION

5. Separate the adhesive connection of the double-sided tape and lift the
Display PCB up to remove it from the top case.
6. Remove the used double-sided tape.
Installation
7. Install new double-sided tape located as shown in Figure 6-9.
8. Slide the Display PCB into the grooves in the top case. Apply pressure
between the top case and the display PCB to make good contact with the
double-sided tape.
9. Connect the wire harness with two white wires to J5 of the UIF PCB.
10. Connect the Display PCB ribbon cable to J9 of the UIF PCB. Install the
clip over the J9 connector.
11. Secure the ferrite on the ribbon cable from the Display PCB. Place the
clamp over the ferrite and screw the clamp to the UIF PCB.
12. Complete the procedure in paragraph 6.5.
Removal
1. Complete the procedures in paragraphs 6.2 and 6.4.
2. Complete steps 2 through 4 in paragraph 6.10.
3. Disconnect the keypad ribbon cable from J8 of the UIF PCB (Figure 6-9).
J8 is a ZIF connector. Lift up on the outer shell until it clicks, then remove
the ribbon cable from the connector.
4. Disconnect the speaker cable from J13 on the UIF PCB.
5. Remove the five screws in the UIF PCB. See Figure 6-10.
6. Remove the UIF PCB from the top case.
Section 6: Disassembly Guide
6-11