Key Pad Pcb Replacement - Anritsu Spectrum Master MS2711D Maintenance Manual

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19. Key Pad PCB Replacement

This procedure provides instructions for removing and replacing the key pad PCB.

1. Remove the front panel assembly as directed in section 17.

2. Place the front panel assembly face down on a protected work surface.

3. Remove the 14 Phillips screws that attach the backing plate to the front panel assembly.

4. Release the LCD display cable from the retaining clip on the front panel backing plate (Figure 14).

5. Remove the front panel backing plate, carefully feeding the LCD cable through the access hole to

avoid damage to the cable or connector.

6. Remove the rubber cushion pad from the key pad PCB and remove the PCB.

Figure 15. Front Panel Keypad PCB Location

7. Reverse the above steps to install the replacement assembly.

Spectrum Master MM

KEYPAD PCB

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