Firmware Upgrade Installation
In some cases, the DVS 204’s firmware may require replacement with an updated version. There are three
Changes to firmware must be performed by authorized service personnel only. Some DVS 204 firmware updates must be performed at the Extron factory.
Follow these steps to replace firmware in the scaler.
1.Disconnect the AC or 12 VDC power cord from the DVS 204 to remove power from the unit.
To prevent electric shock or damage, always unplug the DVS 204 scaler from the AC or DC power source before opening the enclosure.
2.Remove the scaler from the rack or furniture.
3.Remove the cover of the scaler (the top half of the enclosure) by removing the screws, then lifting the cover straight up.
Lift Cover
Remove (4) Screws from
Straight Up.
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CO | 3 |
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MP |
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OSI |
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TE | Y |
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| NT | CE |
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| DE |
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| R | GB |
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| R | ME |
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| NU |
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| ONT | S |
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| IZE |
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ADJUST
IR
Top.
DIGITAL
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VI | V |
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| S | 204 |
| O S | ||
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| CAL | |
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| ER |
Do not touch any switches or other electronic components inside the scaler. Doing so could damage the scaler. 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.
4.Locate the firmware chip(s) to be replaced on the circuit board, as shown in the following illustration.
DVS 204 • Appendix |
