18 Repairs: Information and Instructions
14. Pull the protective film off the new membrane
keyboard.
15. Insert the circuit board again and screw it up
firmly.
16. Carefully restore electrical connections X1, X4
and X5.
17. Carefully attach electrical connector X2.
18. Fit tube 47 onto the board again.
19. Insert the power pack again and screw it firmly
in place.
20. Make the electrical connection X3 to the pow-
er pack.
21. Close the device (see ”9.3 Closing the de-
vice“ on page 16).
22. Perform initialization (see ”9.7 Initializing the
power pack“ on page 20).
23. Perform a function check (see ”7.2 Performing
the function check“ on page 10).
X5
X4
46
X1
X247
X3
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