11-3
IM 04P02B01-01E
Maintenance
11
11.3 Replacing the Internal Light LED
If the brightness of the internal light degrades with time, replace the LED.
For the replacement parts, see section 11.7.
CAUTION
• The LED is connected to the internal circuitry through the flexible printed circuit
board. Do not pull the LED with force.
• Be sure not to break the flexible printed circuit board.
Replacement Procedure
1. Open the door and turn OFF the power switch.
2. Open the display and key panel section.
3. Pull out the internal light LED assembly. The LED assembly is attached to the
left and right of the display and key panel section.
Display and key panel
LED assembly
LED assembly
4. Remove the LED assembly from the connector of the flexible printed circuit board.
LED assembly
Connector
Flexible printed
circuit board
Flexible printed
circuit board
LED assembly
Connector
5. Connect the new LED assembly.
6. Push the LED assembly back into the display and key panel section.
Be sure not to bend or scratch the flexible printed circuit board.
Flexible printed circuit board
LED assembly
7. Turn the power switch ON and check that the internal light comes on a few
seconds later.
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