Scope

PCB Version: KPBL101-F

Release Date: 2018

PCB Version: KPBL101-E

Release Date: 2018

PCB Version: KPBL101-D
Release Date: 2016

PCB Version: KPBL101-C
Release Date: 2011

PCB Version: KP202
Release Date: 2008

PCB Version: KPBL101-F

Release Date: 2018

Back Image

Front Image

Features:

Keypad directly mounted onto Keypad/LCD PCB.

Fixed missing track between amplifier and output capacitor on KP101-E PCB.

Removed ESD diodes from keypad as these would cause the I/O devices to blow on the main Intercom PCB.

Backlight keypad.

Onboard microphone.

Pluggable LCD module.

Applicable ECN's

Check R10 for placement.

If not fitted, fit a 1M ohm 1206 SMD resistor.

Remove the capacitor C7.

Place the 0805 100R resistor.

Add a 10mm x 7mm acoustic sponge

Place the acoustic sponge plug into the standard microphone rubber ring.

PCB Version: KPBL101-E

Release Date: 2018

Back Image

Front Image

Features:

Increased the size of the contrast variable resistor.

Keypad directly mounted onto Keypad/LCD PCB.

Added ESD diodes to protect Intercom from static discharge.

Backlight keypad.

Onboard microphone.

Pluggable LCD module.

Applicable ECN's

Description

Diagram

Add a wire bridge between Pin 1 of U2 and R9

Check R10 for placement.

If not fitted, fit a 10 ohm 1206 SMD resistor.

Remove the capacitor C7.

Place the 0805 resistor.

Add a 10mm x 7mm acoustic sponge

Place the acoustic sponge plug into the standard microphone rubber ring.

PCB Version: KPBL101-DRelease Date: 2016

Back Image

Front Image

Features:

SMD contrast control.

Keypad directly mounted onto Keypad/LCD PCB.

Backlight keypad.

Onboard microphone.

Pluggable LCD module.

Applicable ECN's

Description

Diagram

Add a 10mm x 7mm acoustic sponge

Place the acoustic sponge plug into the standard microphone rubber ring.

PCB Version: KPBL101-CRelease Date: 2011

Back Image

Front Image

Features:

Standard contrast control.

Keypad PCB separate from Keypad/LCD PCB.

Backlight keypad.

First iteration of the onboard microphone.

Applicable ECN's

Add a 10mm x 7mm acoustic sponge

Place the acoustic sponge plug into the standard microphone rubber ring.

PCB Version: KP202Release Date: 2008

Back Image

Front Image

Features:

Simple PCB to interface ribbon connector to the keypad and LCD.

Standard contrast control.

No backlight keypad.

No onboard microphone.

Applicable ECN

PCB Version: KPBL101-D
Release Date: 2016

PCB Version: KPBL101-C
Release Date: 2011

PCB Version: KP202
Release Date: 2008

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