JRC JCY-1900 Service Manual page 57

2) The mounting method
Carry out mounting in the reverse order to removal..
* When connecting the SSD into J504(J505), adjust according to the four screw hole position.
（When inserting the SSD into J504(J505) all the way, screw holes may not fit.）
* Put a security sticker (PNN48572) on SSD and the connector.
(The sticker can be used only once.)
2.5.6. Exchange of the Main Control Board
1) The removal method
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2
3)
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2)
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JCY-1900/1950 VDR Service Manual
Remove the protect cover and the ARB.
Refer to 2.5.4.
Remove cable on the MCB.
1) Remove Fan cable from J508, J507.
2) Remove a power cable from J502.
(J502 has a hook in the right side.)
3) Remove all LAN cable.
2. MAINTENANCE
DOC No. 7ZPNA4409