Chapter 6 Troubleshooting and Component Replacement
67
Replace the power supply and system card by following steps:
Step
Picture Instruction
Operation
1
After disconnecting the
power supply of the
screen body, refer to
the method of
maintaining and
replacing the module
before, remove the first
and second row
modules on the box
body.
2
\\\
Open 4 power box lock
buttons, gently pull
forward, then open the
power box cover
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