MX-M753N MX-KBX2 11 – 1
MX-M753N
Service Manual
[11] MX-KBX2
1. Unpacking
A. Check the parts in the package
2. Installation
<Note before installation>
* Before starting installation, check to insure that the data lamp on
the operation panel is not on or blinking.
A. Turn off the power of the main unit
1) Turn OFF the power switch on the operation panel.
2) Open the front cabinet.
Turn OFF the power switch in the front cabinet of the main unit.
3) Disconnect the power plug of the main unit from the power out-
let.
B. Install the USB hub PWB
1) Remove the screw, and remove the rear cabinet.
No. Name of parts in the package Quantity
1 Keyboard unit 1
2 Operation base plate C 1
3 USB hub PWB unit 1
4 Mother PWB connection harness 1
5 Fixing screw A (M4 x 8 S tight) 3
6 Fixing screw B (M3 x 8 3-point system) 1
7 Protection sheet 1
8 Black sheet 1
9 Installing Procedures 1
1
2
5
6
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9
34
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