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Replacing the electronic board of the Philips WelcomeEye Connect 3 door station

Your intercom's door station no longer works or rings You'll need to replace your door station's motherboard. Before any intervention or maintenance, please turn off the power to each component of your video doorphone and place yourself on a suitable surface so as not to scratch the lens

This tutorial is applicable for:

Philipes - 531046 - Connect 3

Difficulty : Moderate

Time required : 20 minutes minutes

Number of steps :4

Mise à jour : July 2024

Materials needed:

Phillips screwdriver, BTR 1.5mm, plastic spatula, precision pliers, graphite contact paste

Tutorial steps:

Step 1: Remove the front panel

Position your door station so that you have access to the underside.
Use the 1.5mm BTR screwdriver to tighten the safety screw.
Turn the screwdriver anti-clockwise to tighten the safety screw.
ATTENTION: The safety screw uses a left-hand thread.

Remove the front panel

Step 2: Remove the rear panel

Turn the door station over and, using a Phillips screwdriver, remove the 8 screws on the back of the door station.
Be careful not to mix up the screws; the center screws are longer.

Step 3: Dismantling the circuit board

Gently disconnect the microphone connector by pulling it upwards with precision pliers. Be careful not to pull on the wires.

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Carefully disconnect the speaker connector by pulling it upwards with precision pliers. Be careful not to pull on the wires.

Gently disconnect the connector from the RFID reader by pulling it upwards with precision pliers. Be careful not to pull on the wires.

Disconnect the call button interface connector by pulling it upwards. Be careful not to pull on the wires.

Remove the 4 Phillips screws holding the motherboard to the door station.

Insert the plastic spatula into the lower part of the door station and gently pry out the motherboard from the door station.

Step 3: Replacing the circuit board

Before repositioning the new circuit board, please check that the graphite paste (black paste) on the connection contacts is still present.
In case of absence, please reposition slightly without abusing it (see photo).

Replace the new circuit board in its slot.
Make sure that the 4 connection wires are properly seated in their housings and are not pinched.
Make sure that the protective wire is correctly repositioned on the top left screw.

Tighten the 4 screws holding the circuit board in place.

Then reconnect the 4 connectors for the microphone, speaker, RFID reader and call button.

Step 4: Closing the door station

Make sure the gasket is correctly positioned in the groove on the rear of the door station.

Tighten the 8 Phillips screws on the back of the door station.
Note that the center screws are the longest.

Reposition the front panel of the door station
Position your door station so that you have access to the underside.
Use the 1.5mm BTR screwdriver to tighten the safety screw.
Turn the screwdriver clockwise to tighten the safety screw.
ATTENTION: The safety screw uses a left-hand thread.
The replacement is completed