Assembly Removal and Replacement, MS202xC 6-12 Replacing Main Menu Keypad Rubber Membrane –
MS20xxC MM PN: 10580-00307 Rev. D 6-15
6-12 Replacing Main Menu Keypad Rubber Membrane – 3-61361
This procedure provides instructions for removing and replacing the Main Menu Keypad Rubber Membrane,
but not the Main Menu Keypad Flex PCB. All keypad parts can be replaced without opening the MS202xC
case.
If the both the rubber membrane and the underlying Main Menu Keypad Flex PCB must be replaced, then the
Main Keypad Bezel must also be removed. Use the procedure in Section 6-13 “Replacing Main Menu Keypad
Components” on page 6-17
Part Numbers
• 3-61361 – Main Menu Keypad Rubber Membrane, for either MS2026C, MS2027C, or MS2028C
instruments
Procedure
1. Place the instrument face up on a protected work surface and oriented with the top Connector Panel
away from you.
2. Remove the Battery Door and the Battery.
Removing Main Menu Keypad Bezel:
3. Six (6) locking tabs hold the Main Menu Keypad Bezel to the case as shown in Figure 6-9l
Note
Use a small piece of rubber or similar material (as a fulcrum) to prevent scratches to the front panel
and the switch bezel.
Caution
Exercise extreme caution working around the LCD Display. Do not press in the middle of the display
nor set any tools on it.
1. Location of three (3) upper locking tabs on the Main Menu Keypad Bezel.
2. Location of three (3) lower locking tabs.
Figure 6-9. Locking Tab Locations for Main Menu Keypad Bezel