169
Test Mode
Troubleshooting
Removing, Installing and Replacing
Assemblies and Parts
8B. Service
- Must be performed by a technician -
To install, perform the procedure in reverse.
(2) Replacing the Score LED (Score LED PC Board)
z
To avoid electric shock, accidents or injuries to yourself or other people, or damage to the electronic
circuits, be sure to turn off the power switch before starting work.
z
PC boards are sensitive to static electricity. If a person handles a PC board while
charged with static electricity, the parts on the PC board may be damaged. Before
handling a PC board, discharge the static electricity from your body; for example,
by touching the surface of grounded metal.
Turn off the power switch. (See “7-6-1 Turning the Power Switch On” on page 39.)
Remove the side tower assembly by reversing the installation procedure. (See steps
-
of “8A-2-5 Installing the Side Tower Assembly” on page 96.)
Disconnect the two connectors, remove the six Phillips pan head screws (with
fl
at and spring
washers) (M4 x 10), and replace the score LED (score LED PC board).
Connector
Score LED (Score LED PC board)
Phillips pan head
screw (with
fl
at and
spring washers)
(M4 x 10)
To install, perform the procedure in reverse.
M259_08B_ENin6.indd 169
M259_08B_ENin6.indd 169
2/5/2013 8:12:18 AM
2/5/2013 8:12:18 AM