3 replacing the internal light led, 3 replacing the internal light led -3, 3 replacng the internal lght led – Yokogawa µR10000 User Manual
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11.3 Replacng the Internal Lght 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 that is attached to the end of the display
and key panel section.
Display and key panel
4.
Remove the LED assembly from the connector of the 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.
Stored condition of the flexible printed circuit board
Flexible printed circuit board
7.
Turn the power switch ON and check that the internal light comes on a few
seconds later.