Dell Latitude 7350 Detachable Owners Manual - Page 103

Steps, For computers with WWAN support, Darwin 1 and 2, and P-sensor cables

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Steps 1. For computers with WWAN support: NOTE: Skip to the next step if the computer does not support WWAN. a. Remove the two screws (M1.6x2.5) that secure the Darwin 1-antenna cable bracket to the top-right of the system board. b. Unroute the white/grey WWAN-main antenna cable and black/grey WWAN-auxiliary antenna cable from the routing channels and metal clips on the system board. c. Remove the Darwin 1-antenna cable bracket from the system. d. Disconnect the Darwin 1-antenna cable and green P-sensor cable from the connectors (Darwin1 and P-sensor) on the system board. e. Remove the single screw (M1.6x2.5) that secures the Darwin 2-antenna cable bracket to the top left of the system board. f. Remove the Darwin 2-antenna cable bracket from the system board. g. Disconnect the Darwin 2-antenna cable from the connector (Darwin2) on the system board. Figure 68. Darwin 1 and 2, and P-sensor cables 2. Loosen the single captive screw (M1.6x2.5) that secures the WLAN-module bracket in place. 3. Remove the WLAN-module bracket from the WLAN module. 4. Disconnect the white and black WLAN-antenna cables from the WLAN module. 5. Unroute the white and black WLAN-antenna cables from the metal clips on the system board. 6. Disconnect the following from the system board: ● Microphone FPC (from Mic/Front CAM connector) ● User-facing camera FPC (from Mic/Front CAM connector) ● Audio-jack FPC (from Audio connector) ● Left-speaker cable (from Speaker connector) ● USH daughter board FFC, for models shipped with a USH-daughter board (from USH Board connector) ● Right-speaker cable (from Speaker connector) 7. For computers with WLAN support only, remove the two screws (M1.6x1.5) that secure the system board in place; for computers with WWAN support, remove the single screw (M1.6x1.5) that secures the system board in place. 8. Remove the system board from the back-cover assembly. Removing and installing Field Replaceable Units (FRUs) 103

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Steps
1.
For computers with WWAN support:
NOTE:
Skip to the next step if the computer does not support WWAN.
a.
Remove the two screws (M1.6x2.5) that secure the Darwin 1-antenna cable bracket to the top-right of the system
board.
b.
Unroute the white/grey WWAN-main antenna cable and black/grey WWAN-auxiliary antenna cable from the routing
channels and metal clips on the system board.
c.
Remove the Darwin 1-antenna cable bracket from the system.
d.
Disconnect the Darwin 1-antenna cable and green P-sensor cable from the connectors (Darwin1 and P-sensor) on the
system board.
e.
Remove the single screw (M1.6x2.5) that secures the Darwin 2-antenna cable bracket to the top left of the system
board.
f.
Remove the Darwin 2-antenna cable bracket from the system board.
g.
Disconnect the Darwin 2-antenna cable from the connector (Darwin2) on the system board.
Figure 68. Darwin 1 and 2, and P-sensor cables
2.
Loosen the single captive screw (M1.6x2.5) that secures the WLAN-module bracket in place.
3.
Remove the WLAN-module bracket from the WLAN module.
4.
Disconnect the white and black WLAN-antenna cables from the WLAN module.
5.
Unroute the white and black WLAN-antenna cables from the metal clips on the system board.
6.
Disconnect the following from the system board:
●
Microphone FPC (from Mic/Front CAM connector)
●
User-facing camera FPC (from Mic/Front CAM connector)
●
Audio-jack FPC (from Audio connector)
●
Left-speaker cable (from Speaker connector)
●
USH daughter board FFC, for models shipped with a USH-daughter board (from USH Board connector)
●
Right-speaker cable (from Speaker connector)
7.
For computers with WLAN support only
, remove the two screws (M1.6x1.5) that secure the system board in place;
for
computers with WWAN support
, remove the single screw (M1.6x1.5) that secures the system board in place.
8.
Remove the system board from the back-cover assembly.
Removing and installing Field Replaceable Units (FRUs)
103