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154
Appendix B
Servicing
OLED Display/Button Board Replacement (170-100689Q00)
Follow these steps to remove and replace an OLED display:
1
Remove front panel control assembly as described on page 149, ensuring both AC power
cords are disconnected.
2
Slide the rotary control knob straight off its shaft
Figure B-11. Removal of Rotary Control Knob
3
On the front panel control assembly, remove the three mounting screws from the bottom,
and the three mounting screws from the top
BOTTOM
Figure B-12. Removing Six Circuit Board Mounting Screws
4
Slide the circuit board out
(Figure
(Figure
Remove these screws.
TOP
(Figure
B-13).
B-11).
B-12).
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