Difference between revisions of "ER-301/CPU Board Removal"

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(The Tool (ザ・道具))
(The Tool (ザ・道具))
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== The Tool (ザ・道具) ==
 
== The Tool (ザ・道具) ==
You will need something to insert between the CPU board and the main board that will not scratch the PCB surface.  My favorite is to wrap 5 [https://www.google.co.jp/search?biw=1680&bih=953&tbm=isch&sa=1&ei=vIx2W5q8DMiy8QX20o2ACA&q=wooden+skewers&oq=wooden+skewers&gs_l=img.3..0l5j0i30k1l5.2746.5810.0.5957.16.10.1.5.5.0.113.866.7j3.10.0....0...1c.1.64.img..0.16.885...0i67k1.0.v9PhXyAr_0c wooden or bamboo skewers] (the kind used for yakitori) with tape.  You can also use a [https://www.google.co.jp/search?q=popsicle+stick&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiKlp_b2vPcAhXJE7wKHQ3lBJMQ_AUICigB&biw=1680&bih=953 popsicle stick] or a plastic tire lever.  Do not use a screwdriver!
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You will need something to insert between the CPU board and the main board that will not scratch the PCB surface.  My favorite is to wrap 5 [https://www.google.co.jp/search?biw=1680&bih=953&tbm=isch&sa=1&ei=vIx2W5q8DMiy8QX20o2ACA&q=wooden+skewers&oq=wooden+skewers&gs_l=img.3..0l5j0i30k1l5.2746.5810.0.5957.16.10.1.5.5.0.113.866.7j3.10.0....0...1c.1.64.img..0.16.885...0i67k1.0.v9PhXyAr_0c wooden or bamboo skewers] (the kind used for yakitori) with tape.  You can also use a [https://www.google.co.jp/search?q=popsicle+stick&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiKlp_b2vPcAhXJE7wKHQ3lBJMQ_AUICigB&biw=1680&bih=953 popsicle stick] or a [https://www.google.co.jp/search?biw=1680&bih=953&tbm=isch&sa=1&ei=N412W5DGMY3m8wWMhqLoDg&q=plastic+tire+lever&oq=plastic+tire+lever&gs_l=img.3..0i30k1.34411.34411.0.34732.1.1.0.0.0.0.76.76.1.1.0....0...1c.1.64.img..0.1.75....0.Gs11orKPqkU plastic tire lever].  Do not use a screwdriver!
  
 
まず、竹串(長さ=15cm)の5本をセロテープで巻いて道具を作ります。
 
まず、竹串(長さ=15cm)の5本をセロテープで巻いて道具を作ります。

Revision as of 04:49, 17 August 2018

The Tool (ザ・道具)

You will need something to insert between the CPU board and the main board that will not scratch the PCB surface. My favorite is to wrap 5 wooden or bamboo skewers (the kind used for yakitori) with tape. You can also use a popsicle stick or a plastic tire lever. Do not use a screwdriver!

まず、竹串(長さ=15cm)の5本をセロテープで巻いて道具を作ります。

CPU-board-removal-tool.jpg

Step 1

Insert your lever in the gap between the CPU board and main board about 1-2cm. Slowly and gently pull up on the lever until you see a 1-2mm gap open in the connector.

そして、左辺(入れやすいほう)から道具をCPUボードと主ボードの間に1-2cmまで入れて、上に優しくゆっくり引きます。コネクターに1-2mmの隙間が開けてきたら、右辺に進んでください。 CPU-board-removal-step1.jpg

Step 2

Now do the same thing from the opposite side, opening the connector on this side just 1-2mm.

右辺から道具をCPUボードと主ボードの間に1-2cmまで入れて、上に優しくゆっくり引きます。1-2mmの隙間が開けてきたら、左辺に戻りさらに隙間を道具で空け、交互に徐々に上げていきます。 CPU-board-removal-step2.jpg

Repeat 1 & 2

Go back to the first side, and open the gap a little bit wider. Repeat these steps, switching back and forth, widening the gap a few millimeters at a time. Be patient.

注意しながら、丁寧に作業することで、隙間はどんどん開けていきます。

CPU-board-removal-stepN.jpg

Done

At some point, the connectors will completely and safely disengage. Resist the temptation to pull on the CPU board with your hands!

手で引っ張らないでください。完全に外すまで、道具を使ってください。 CPU-board-removal-done.jpg