Panasonic KY-B84BXBXD Service Manual page 51

(KY-B64BX/B64BG)
1. Remove the Heat sink duct fixing screw A (1 pcs) and
screw E (3 pcs) and screw N (1 pcs).
Screw A: Panhead Deltite screw 4+6
Screw E: Panhead P-tite screw 4+12
Screw N: Panhead Deltite screw 4+20 (Black)
2. Remove the Heat sink duct holding Hooks (3 pcs).
3. Remove the Heat sink duct.
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