5. Unscrew 2 screws to remove Cable Card Accessory. (for XHD4 model only)
6.Unscrew 2 Nuts (shown in yellow square) and 5 screws (shown in red circle) to re move Tuner Board.
7. Lossen 2 tenons to remove Audio Board.
8.Unscrew 4 hex and 2 screws (step 1), 5 screws (as yellow circle) and 5 screws (as red circle) (step 2) to remove Main Board.
Step 1
Step 2
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