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→I. BOTTOM PART
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4. Remove the blue protective sheet from the 3 smaller pieces and glue them to the inner side of the thermal block, the one that makes contact with the RPi4. You'll recognize it because it has 3 small rectangular islands that fit the size of the 3 smaller pieces you cut out. You can use your finger to press the thermal pad and stick it. Use your fingernail to cut off the excess, if any.+5. Take 4 x ISO7380 M2.5 screws. They are the smaller ones with rounded head.+6. After this, remove the transparent protective sheet from the 3 pieces of thermal pad and fixate the RBPi4 compute module to the thermal block using the 4 x ISO7380 M2.5 screws.+7. Finally, stick the remaining piece of thermal pad (27 x 20 mm) on the contact surface in the external side of the thermal block. That is, on top of the "tower" with 2 tiny holes. Follow the same procedure you already did with the 3 smaller pieces, but don't remove the transparent protective sheet yet.+
{{NoteBox| If you break a FPC's connector tongue, you could workaround the problem with thermal glue. Not nice, but it works quite well! }}
{{NoteBox| If you break a FPC's connector tongue, you could workaround the problem with thermal glue. Not nice, but it works quite well! }}
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=='''Step 3: Fixating the thermal block'''==
=='''Step 3: Fixating the thermal block'''==
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[[File:IMG_4045_fixed_wiki.JPG|400px|right]]
[[File:IMG_4045_fixed_wiki.JPG|400px|right]]
−1. Look for a piece of thermal pad in the wiring bag, in the "Screen and Bits" case. It is a piece with an approximate size of 60 x 20 mm, gray on one side and blue on the other.
+'''1.''' Look for a piece of thermal pad in the wiring bag, in the "Screen and Bits" case. It is a piece with an approximate size of 60 x 20 mm, gray on one side and blue on the other.
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[[File:IMG_4142_fixed_wiki.JPG|400px|right]]
[[File:IMG_4142_fixed_wiki.JPG|400px|right]]
−2. Cut 4 little pieces of thermal pad with this recommended sizes:
+'''2.''' Cut 4 little pieces of thermal pad with this recommended sizes:
* 27 x 20 mm
* 27 x 20 mm
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[[File:IMG_4156_fixed_wiki.JPG|400px|right]]
[[File:IMG_4156_fixed_wiki.JPG|400px|right]]
−'''3.''' Remove the blue protective sheet from the 3 smaller pieces and glue them to the inner side of the thermal block, the one that makes contact with the RPi4. You'll recognize it because it has 3 small rectangular islands that fit the size of the 3 smaller pieces you cut out. You can use your finger to press the thermal pad and stick it. Use your fingernail to cut off the excess, if any.
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[[File:IMG_4191_fixed_wiki.JPG|400px|right]]
[[File:IMG_4191_fixed_wiki.JPG|400px|right]]
−'''4.''' Take 4 x ISO7380 M2.5 screws. They are the smaller ones with rounded head.
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[[File:IMG_4163_fixed_wiki.JPG|400px|right]]
[[File:IMG_4163_fixed_wiki.JPG|400px|right]]
−'''5.''' After this, remove the transparent protective sheet from the 3 pieces of thermal pad and fixate the RBPi4 compute module to the thermal block using the 4 x ISO7380 M2.5 screws.
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[[File:IMG_4188_fixed_wiki.JPG|400px|right]]
[[File:IMG_4188_fixed_wiki.JPG|400px|right]]
−'''6.''' Finally, stick the remaining piece of thermal pad (27 x 20 mm) on the contact surface in the external side of the thermal block. That is, on top of the "tower" with 2 tiny holes. Follow the same procedure you already did with the 3 smaller pieces, but don't remove the transparent protective sheet yet.
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