Fluke 433 - Page 66

Fluke 433, 434, 435
Service Manual
5-10
6. Slide the Main PCA unit into the Top Case. Lock the plastic clamps at the inputs side
on to the Top Case. Fasten with the 2 screws (item 19).
7. Stick the flaps of the keypad foil (item 4) to the metal shielding box
8. Verify that the backlight wires are twisted to minimize interference voltages.
Reattach the backlight cable. Reattach the LCD flex cable, secure that cable in the
connector with the connector latch.
9. The keypad foil is provided with a grounded shielding flap that covers the backlight
cable. This decreases the electromagnetic emission. The flap should cover the cable
connection area and lay over the PCA shield. Reattach the keypad flex cable, secure
the flat cable in the connector with the connector latch.
10. Install the battery pack, and re-attach the cable.
11. Install the bottom case with the strap holders and strap (take care of correct position),
and fasten the 2 screws item 18.
12. Fix the bottom holster (item 21) with 2 screws (item 22).
13. Slide the input cover on and fasten with the 2 M3 Torx screws (item 11). The screws
must be tightened firmly to assure that the cabinet is well closed.
This is an important safety issue!
14. Calibrate the display contrast (see section 4.4) if you replaced the display.