KDL-55W900A - Sony TV Service Manual (repair manual). Page 21

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KDL-55W900A 17
SECTION 3 - REPAIR INFORMATION
REMOVING THE SMART CORE BLOCK
1.  Remove 2 screws, then release the Harness from Smart Core Block 
Cover hooks.
2.  Firmly lift up the Smart Core Block Cover left side to remove.
 
NOTE: 
To avoid damaging the Smart Core Block Cover, removal MUST 
start from the left side as shown
.
3.  Disconnect 2 connectors from the Smart Core Block.
4.  Grasp Smart Core Block as shown, then twist it downwards to release.
5.  Release connector from Lid SC hook to disconnect.
6.  Unclamp 2 side clips from the Lid,SC and lift as shown to detach.
LID, SC
7. 
Carefully, using a flat edge object (ex. steel ruler), release the clip 
located on the right side corner, and pull as shown to detach the Panel 
Ornament.
8.  Remove HIR, Wi-Fi PWB Board and BT Module.
HIR, BOARD
BT, MODULE
WIFI PWB
9.  Release 2 hooks from HSC Board and detach. 
HSC BOARD
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