Introduction

If your JBL Pulse 4 speaker’s LED light display is flickering, showing incorrect colors, or not lighting up at all, use this guide to replace the LED light display.

The LED light display is a signature feature of the JBL Pulse 4. It provides 360-degree customizable lighting that syncs with your music. A malfunctioning display can take away from the experience the speaker is known for.

Before using this guide, scan the speaker for any software or app-related issues that may be affecting the LED performance. The issue may be resolved by resetting the device or updating the firmware through the JBL Portable app. Additionally, make sure the speaker is fully charged and has not sustained any water or impact damage.

This guide will walk you through the steps to access and replace the internal LED light display.

Make sure to power off the speaker completely and disconnect it from any charger or external power source before beginning.

What you need

Step 1 Casing Replacement

JBL Pulse 4 LED Light Display Replacement, Casing Replacement: step 1, image 1 of 1

Power off the device before doing any repairs.
Hold the power button for 3+ seconds to power down the device.

Edit

Step 2

JBL Pulse 4 LED Light Display Replacement: step 2, image 3 of 3

Remove each rubber end cap using a plastic pry tool.
Go around each end of the speaker slowly popping up a small section of the rubber cap until there is a gap on all sides.
Remove the top by hand.

Edit

Step 3

JBL Pulse 4 LED Light Display Replacement: step 3, image 3 of 3

Remove the charging port cover using a plastic pry tool.
Remove the two 12.7 mm Phillips #1 screws.
Remove the charging port housing from the casing.

Edit

Step 4

JBL Pulse 4 LED Light Display Replacement: step 4, image 3 of 3

Disconnect the charging port connector by pulling the connector away from the port.
Disconnect the battery level indicator light by pulling the wire away from the lights.

Edit

Step 5

Remove the six 8 mm Phillips #1 screws from the end of the speaker with the grill that says "JBL."
Remove the plastic piece where the 6 screws came out of.

Edit

Step 6

Remove the six 9.5 mm screws using a Phillips #1 screwdriver.

Edit

Step 7

JBL Pulse 4 LED Light Display Replacement: step 7, image 3 of 3

Flip the speaker to the other end.
Use a pry tool to pry between the casing of the speaker and the internals.
Go around the entirety of this end of the speaker slowly prying apart the two pieces.