MAULwork LED 820 52 - Service and Replacement Guide

This document provides information and instructions for servicing the MAULwork LED 820 52 work lamp.

Product Overview

The MAULwork LED 820 52 is a dimmable LED work lamp designed for professional use. It features an articulated arm for flexible positioning and efficient LED lighting.

Key Components and Article Numbers:

MAULwork LED 820 52 Lamp
LED Module: Art.-No.: 8205209.200
Driver/Control Board: Art.-No.: 8205209.220
Power Supply: Art.-No.: 8205209.215A
(Additional part number 8205209.160A mentioned)

Features:

LED Lighting Technology [?]
Adjustable Arm
Clamp Mount
Power Input: 230V [⚡]

Safety Note: Always ensure the power is disconnected before performing any maintenance or replacement procedures. [⚠️]

Component Identification

The following images illustrate the main components:

MAULwork LED Lamp Assembly: The main lamp unit features an articulated arm, a clamp for mounting, and the LED lighting head. Key components are identified by their article numbers:

The power supply (Art.-No.: 8205209.215A) connects to the lamp's base via a cable.
The LED module (Art.-No.: 8205209.200) is housed within the lamp head.
The driver/control board (Art.-No.: 8205209.220) is located internally within the lamp arm or base.

LED Module (Art.-No.: 8205209.200): This is a linear strip containing multiple LEDs, equipped with a connector for power and control signals.

Driver/Control Board (Art.-No.: 8205209.220): This electronic board manages the power and dimming functions for the LEDs. It features integrated circuits (e.g., LM358P), resistors, capacitors, and terminal connections for input power (A+, A-) and output to the LED module.

Power Supply (Art.-No.: 8205209.215A): A standard AC-to-DC power adapter with a European plug, designed to provide the necessary voltage to the lamp system. It includes a barrel connector for connection to the lamp.

Service and Replacement Procedures

The following steps outline the process for accessing and replacing internal components:

Step 1: Accessing the Lamp Head

To begin, the lamp head housing needs to be opened. This typically involves removing screws securing the cover. A PH1 screwdriver is recommended for this task. [? PH1]

Step 2: Removing the LED Module

After opening the lamp head, the LED module is exposed. It is secured by screws, which also require a PH1 screwdriver for removal. [? PH1]

Step 3: Accessing the Driver Board

The driver/control board is located within the lamp's structure. It is typically mounted with screws that can be removed using a PH1 screwdriver. [? PH1]

Step 4: Disconnecting the LED Module Connector

Once the driver board is accessible, a connector linking it to the LED module needs to be detached. The instruction "DREHEN ROTATE" suggests a rotational action might be required for certain connectors or components. [? Rotate]

The connector for the LED module should be pulled to disconnect it. [➡️ Pull]

Step 5: Disconnecting the Driver Board Connector

The driver board itself has connectors. The instruction "ZIEHEN PULL b)" refers to disconnecting the LED module connector. The instruction "DRÜCKEN PUSH a)" indicates pushing a connector, likely the one connecting the driver board to the main power input or other internal wiring. A PH0 screwdriver is shown in one instance for connector manipulation. [? PH0]

Step 6: Disconnecting the Power Supply

The power supply connects to the lamp via a cable. The final step involves disconnecting this power supply connector from the lamp's internal wiring. The instruction "ZIEHEN PULL" indicates to pull this connector. [➡️ Pull]

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