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Electronic Theatre Controls Inc

How To Replace A DMX Chip On A Mosaic Controller



Perform repair work at your own risk. ENSURE ANY POWER FROM DEVICES HAS BEEN DISCONNECTED BEFORE BEGINNING ANY REPAIR WORK.  If you do not feel comfortable performing the repair work, please contact ETC or your local service center.  Be aware that ETC is not responsible for any damage or injury caused by repair or service of ETC Products by anyone other than ETC or its authorized repair agents and such damage is excluded from ETC’s warranty.

Tools and Parts Required

• 5/64th” Allen Key

• Dual In-Line (DIL) Chip Puller

• Real Time Clock Battery – 3V Lithium - ETC Part # BT130

• DMX Driver Chip - ETC Part # Z505


Disassemble the Unit:

Step 1: With your 5/64th” Allen key, remove the (4) circled screws and remove the end plate. Repeat on opposite side.


Step 2: Remove the two internal PCBs.


Step 3: With the chip puller, gently remove the DMX chip


Step 4: Insert the replacement chip into the socket so that pin one is located in the correct location.

Important-Icon.png Pin one is marked with a recessed circle.

Step 4: Reassemble the unit.

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