Panasonic CS-E18QB4RW Service Manual page 88

16.2.2 CU-E18QB4R
1 Remove the 4 screws of the Top Panel.
2 Remove the 10 screws of the Front Panel.
3 Remove the Top Cover of the Electronic
Controller.
Fig. 1
Fig. 2
Fig. 3
4 Remove the Control Board.
5 Remove the 8 screws of the Electronic
Controller.
Caution! When handling electronic controller, be careful of
electrostatic discharge.
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Fig. 5