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CN70 Service Work Instructions
Edges of heatsink
inserted into
grounding fingers
4. Using a #0 Phillips screwdriver install 2 screws to secure the heatsink near the WAN/GPS radio coax connectors.
5. Using a T7 torx driver install 1 screw to secure the remaining corner of the radio heatsink near J4 on the main
logic board.
6. Install the 2 coax cables.
When re-connecting the coax cables make sure the connectors are pushed straight onto the antenna jacks.
Route the black and gray coax cables exactly as shown below and apply a piece of Kapton tape (p/n 906-016-002) as
shown to secure the black coax cable across the middle of the gore shield.
Be sure the black coax cable is routed between P7 and P9 as shown.
Route coax cables as
shown
Confirm that the coax cable connectors are pressed all the way onto their jacks both on the radio card itself and at J3
and J5. The flat top of each connector body should be parallel to the board surface.
7. Re-install the scan bracket assembly.
8. Re-install the bottom housing assembly.
Model
CN70A,CN70E
7
8
DOCUMENT NO.
SWICN70-000
Page 32 of 45
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