
Chapter 7: Replacement Procedures 59
7. Remove the four screws that connect the Main PCBA Subassembly to the
bottom housing using a #1 Phillips screwdriver (Figure 7.19).
Figure 7.19
Removing the Main PCBA Subassembly from the Bottom Housing
8. Carefully disconnect the 40-pin flex circuit that connects the Main PCBA
Subassembly to the Dock Interface PCBA (located under the Main PCBA).
9. Remove the Main PCBA Subassembly.
7.4.4
Replacing the Main PCBA Subassembly
1. Set the replacement Main PCBA Subassembly onto the bottom housing
Figure 7.20
Replacing the Main PCBA Subassembly
2. Secure the four screws that connect the Main PCBA Subassembly to the bottom
housing (Figure 7.21). Torque the screws to 3.6 in./lb. (0.4 newton meter).
40-pin flex
Screws (4)
40 Pin flex
Содержание C1.9 PLUS
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