3
MAINTENANCE
3-2 LMU-TK12AT
Disassembling the major components
(1)
Cabinet
1. Unscrew to secure the cabinet(8-position)
2. Pull the cabinet upward to remove it
(2)
LCD Panel and Touch Panel
1. A Touch panel is on a LCD panel. The clearance between a Touch Panel and
a bottom case are filled with 8 rubber pieces. Pull the left-side of a Touch panel
upward carefully, then turn it over at the right side of a bottom case.
2. Unscrew to secure the LCD panel(4-position)
3. Pull the LCD panel up carefully. Disconnect a FPC from main PCB, and pull a
connector out to inverter unit.
4. Unscrew to secure the earth terminal(1-position)
5. Disconnect the cable on the main PCB(Orange, Grey)
6. Disconnect the cable on the Touch controller PCB
(3)
Inverter Unit
1. Unscrew to secure the Inverter Unit(3-position)
2. Disconnect the cable from the main PCB
(4)
Main PCB
1. Pull a RGB signal cable out
2. Unscrew to secure the main PCB(4-position)
3. Disconnect the cables on the main PCB(6-position)
/ Two cables have already been disconnected
/ One connector from Joint PCB
/ One connector from the LCD panel
/ One connector from the DC-IN PCB
/ One connector from the Inverter PCB
4. Unscrew to secure the bracket for RGB Connector(2-position)
(5)
Touch Controller PCB
1.
Unscrew to secure the Touch controller PCB(2-position)
2. Disconnect a serial cable
(6)
Serial Cable(Connector and Cable with bracket)
1. Unscrew to secure the bracket for serial cable(2-poswition)
(7)
Joint PCB
1. Unscrew to secure the Joint PCB(2-position)
2. Disconnect the cables from the main PCB and the LED PCB
(8)
VR PCB
1. Unscrew to secure the VR PCB(2-position)
2. Disconnect the cable to the main PCB
(9)
DC-IN PCB
1. Unscrew to secure the DC-IN PCB(2-position)
2. Disconnect one cable from Power Switch, and another cable from the main PCB
(10)
Power Switch
1. Remove the Power Switch, while pressing the hook of the Power Switch
(11)
LED PCB
1. Unscrew to secure the LED PCB(1-position)
2. One cable has already been disconnected.
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