Extron-electronics MLC 206 Replacing Quick Start User Manual download pdf

Quick Start — Replacing MLC 206 Firmware

Firmware Replacement

In some cases the MLC’s firmware may require replacement with an updated version. We recommend

that you send the unit in to Extron for service and updates.

CAUTION

Changes to firmware must be performed by authorized service personnel only.

Follow these steps to replace firmware in the MLC 206.

Step 1

Disconnect the power supply from the power source.

To prevent electric shock, always unplug the MLC from the power source before opening the

enclosure.

Step 2

Remove the MLC from the wall or furniture.

Step 3

Remove the MLC’s rear cover.

A. Remove the five Philips head screws that fasten the rear cover to the main part of the enclosure.

B. If applicable, disconnect the host computer’s RS-232 cable from the MLC’s 9-pin Control connector.

C. Remove the two hex standoffs, which are on either side of the 9-pin Control connector.

D. Lift the cover straight off the MLC.

Remove five screws.

Remove two hex screw connectors.

CDE A

Display/Source Control

Extron Switcher Control

Relays IR/RCM

RS-232

D E

A B

1A 1B 2A 2B 3A

1 2

3 4 5 6

Tally Out

MLS

/Power

33-644-01 A

07 01

Printed in the

USA

Lift cover straight up.

CAUTION

Do not touch any other electronic components inside the MLC. Doing so could damage the

MLC. Electrostatic discharge (ESD) can damage IC chips even though you cannot feel it. You

must be electrically grounded before proceeding with firmware replacement. A grounding wrist

strap is recommended.

Step 4

Locate the main controller firmware chip on the circuit board at U6, and note which end has the

direction indicator notch, as shown in the following illustrations.

Notch

68-718-01, Rev. A

Printed in the USA

08 02

1 2

Summary of Contents

Page 1 - Firmware Replacement

Quick Start — Replacing MLC 206 FirmwareFirmware ReplacementIn some cases the MLC’s firmware may require replacement with an updated version. We reco

Page 2 - Extron Electronics, Japan

Quick Start — Replacing MLC 206 Firmware, cont’dABCDEAB CIRDisplay/Source ControlExtron Switcher ControlRelays IR/RCMRS-232DEAB CABD1A1B2A2B 3A3B123 4

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Extron-electronics MLC 206 Replacing Quick Start User Manual

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Summary of Contents

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