HP Engage One Retail System 143, Руководство по техническому обслуживанию и ремонту

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Removing the MSR LED board
The MSR LED board is a separate component from the MSR. It is secured with one Phillips screw.
To remove the MSR LED board:
1. Prepare the computer for disassembly ( Preparation for disassembly on page 19 ).
2. Remove the computer head unit from the stand ( Removing and attaching the Engage One head unit to
the stand on page 27 ).
3. Remove the display panel from the computer head unit ( Removing the display panel on page 41 )
4. Disconnect the cable from the system board (1).
TIP: Take extra care when disconnecting the cable. Pulling on the cable prematurely, before it is
disconnected, could cause damage to the connector.
5. Remove the Phillips screw (2) that secures the board to the computer head unit.
6. Remove the board and cable assembly from the computer head unit (3).
To install the MSR LED board, reverse the removal procedures.
58 Chapter 4 Removal and replacement procedures