Mindray DC-6, Service Manual

Page: 91 / 191

System Structure and Assembly/Disassembly
4-26
b) Use a screwdriver to remove two screws fixing the light control PCBA (2 M4X8
screws), remove the light control PCBA and replace it with a new one, and install the new
PCBA. (Note the light shall face right to the hole on the cast-aluminum panel).
4.3.11 Replacement of the keyboard slide tracks
a) Remove the main panel assembly and minor panel assembly (see section 4.2.3
and section 4.2.4), and disconnect the cables, as shown in the figure below.
b) Remove 13 M4x12 screws fixing the cast-aluminum cover, and remove the
cast-aluminum, as shown in the figure below.
Light control
PCBA
Socket
Main panel assembly
Minor panel
rear cover
Minor panel
assembly
Main panel
assembly
Cast-aluminum
cover
Slide track
Keyboard
assembly
Fixing screws
of slide tracks