Fluke 199B Service Manual

Download Service manual of Fluke 192B Accessory, Measuring Instruments for Free or View it Online on All-Guides.com. This version of Fluke 192B Manual compatible with such list of devices, as: 192B, 196C, 199B, 199C, 215C

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Disassembling the Test Tool
6.2. Disassembly & Reassembly Procedures 6
6-9
6.2.11 Reassembling the Test Tool
Reassembling the test tool is the reverse of disassembly. However you must follow
special precautions when reassembling the test tool. Refer to figure 6-5.
Reassembling procedure for a completely disassembled unit:
1. Clean the inside of the lens with a moist soft cloth if necessary. Keep the lens free of
dust and grease.
2. Install the keypads item 3 and item 4. Press the edges of the keypads into the sealing
groove of the top case. Ensure that the keypads lay flat in the top case, and that all
keys are correctly seated.
3. Install the keypad foil item 5. Align the positioning holes in the keypad foil to the
positioning pins in the top case.
4. Install the keypad support plate item 6.
5. Clean the display glass with a moist soft cloth if necessary. Install the display
assembly and its mounting frame, and fasten the 4 screws (item 10).
6. Verify that the fan cable connector is plugged into the Main PCA fan connector.
7. Slide the Main PCA unit into the Top Case from the display end. Make sure that the
tabs on the Shielding Box go into the slots in the top of the Top Case. Fasten with
the 2 screws (item 14).
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, and fasten the 2 screws
item 18.
12. With the bottom cover up, start the screws (item 20) into the square nuts, then press
in on the bottom holster to latch the tabs on the top case. Finish tightening the 2
screws.
13. Slide the input cover on and fasten with the 2 M3 Torx screws.
14. Calibrate the display contrast (see section 5.4) if you replaced the display.