Chapter 6 — Service and Repair
©2007 Global VR, Inc.
040-0168-01 Rev. B 3/14/2008
Page 37 of 64
12.
Reverse these steps to install the new monitor.
Note:
If the monitor does not work, make sure the three harnesses between the control PCB and
LCD panel are connected properly. Also check the DVI video cable and power connection.
Monitor Control PCB Replacement
SHOCK HAZARD. Disconnect the AC power cord before performing
the following procedure.
To prevent electrostatic discharge (ESD) damage, handle PCBs by the
edges only and use a grounding wrist strap or similar precaution.
Always keep the PCB in an ESD anti-static bag when not installed in
the cabinet to prevent electrostatic damage.
The wire harnesses between the PCB and LCD panel are VERY
FRAGILE. Use extreme care when disconnecting or connecting them.
1.
Turn off power and disconnect the cabinet AC power cord.
2.
Remove the Monitor Access Door behind the monitor.
3.
Refer to Figure 24 to identify monitor assembly components.
Carefully
disconnect all of the
cables and wire harnesses from the Control PCB. (Depending on the PCB model, you may need
to remove the PCB from the backbox before you can disconnect the power harness.)
4.
Remove the four (4) screws that secure the PCB to the monitor backbox and remove the PCB.
5.
Reverse these steps to install the new PCB.
Note:
If the monitor does not work, make sure the three harnesses between the control PCB and
LCD panel are connected properly. Also check the DVI video cable and power connection.
Monitor Power Supply Replacement
SHOCK HAZARD. Disconnect the AC power cord before performing
the following procedure.
1.
Turn off power and disconnect the cabinet AC power cord.
2.
Remove the Electronics Access Panel from the back of the cabinet.
3.
Make sure all wires connected to the power supply are properly labeled for easy reconnection,
and then disconnect them from the terminals.
4.
Remove the two (2) screws that secure the power supply mounting bracket to the cabinet and
remove the power supply from the cabinet.
5.
Remove the mounting bracket from the power supply and install it on the new power supply.
6.
Reverse the removal steps to install the new power supply.
Note:
If the monitor does not work, verify the power supply is putting out +24 VDC.
