GE Giraffe Blue Spot PT Lite, Operation, Maintenance And Service Manual

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11.7 LED Module, LED Driver Board, Fan Replacement
WARNING:
When replacing the LED module, always make sure the system power cord is unplugged from the
power outlet.
WARNING:
Never look directly at the therapeutic-light LED. Exposure can cause eye damage.
CAUTION:
The LED driver board and the LED module shall always be replaced in pair with a new factory-set
pair. Mixing and matching is not allowed.
SENSITIVE TO ELECTROSTATIC DISCHARGE CAUTION
This procedure includes ESD sensitive parts. ESD control guidelines must be followed during this
procedure to ensure that static charges are safely conducted to the ground and not through the
sensitive device, to prevent damage to the equipment.
1. Make sure the system power cord is unplugged from the power outlet.
2. Remove the unit cover as instructed in section 11.5.
3. Disconnect the LED anode and cathode wires from the LED driver board and pull them away from the
baffle (Refer to Figure 11-11).
4. Disconnect the thermistor harness from the LED driver board and pull it away from the baffle (Refer to
Figure 11-12).
Figure 11-11
Figure 11-12
5. To remove the LED driver board, disconnect the DC harness and the fan wire connector from the LED
driver board and then use a 5.5mm nut driver to remove the LED driver board nuts to release it.
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Chapter 11: Replacement Procedures