– Must be performed by a technician –
– Must be performed by a technician –
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Service
8B. Service
Test Mode
Troubleshooting
(3) Replacing the 5.1CH AMP PC Board – Must be performed by a technician –
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In order to avoid electric shock, accident or injury to yourself or others as well as damage to the
electronic circuits, be sure to turn off the power switch before starting this task.
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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. (Example:
touching the surface of grounded metal.)
Turn off the main power switch. (See “8A-2-3 Turning the Power Switch On” on page 77.)
Remove the two Torx bolts (M5 x 12) and remove the side flange guard R. Use the service
key to unlock the PCB roof of the front assembly. Remove the five Torx bolts (M5 x 12), and
remove the PCB roof.
Torx bolt (black) (M5 x 12)
Torx bolt (M5 x 12)
PCB roof
Front assembly
Side flange guard R
Service key