6-16 Keypad and Keypad PCB Replacement Removal and Replacement
6-36 PN: 10580-00303 Rev. D Model MS20xxB MM
6-16 Keypad and Keypad PCB Replacement
This procedure provides instructions for removing and replacing the keypad and the keypad PCB.
Parts:
• 3-72773 – Rubber Keypad
• 3-72811-3 – Main Numeric Keypad PCB Assembly
Procedure:
1. Open the case as described in Section 6-6 “Opening the Instrument Case” on page 6-14.
2. Remove the Main PCB assembly from the front panel as described in Section 6-7 “PCB Assembly
Replacement (MS202xB and MS203xB)” on page 6-17.
3. Perform Step 1 through Step 4 of Section 6-14 “LCD Assembly Replacement” on page 6-32.
4. Remove the 8 screws and the cable connectors to remove the Keypad PCB (Figure 6-27). The Rubber
Keypad is located under the Keypad PCB.
Installing the Keypad and Keypad PCB:
5. Installation is the reverse of removal. Follow replacement instructions for each of the parts and
assemblies that were removed, as appropriate.
6. Close the case as described in Section “Case Reassembly:” on page 6-16.
Figure 6-27. Front Panel Keypad Replacement
Speaker
Rotary Knob
Encoder
Touch Screen
Connector
Touch Screen
Keypad Switch
Connector
Keypad PCB (Remove 8 Screws)
Backlight PCB
Connector
To Next Page
Loading...
Need help?
General
