Firmware Replacement - Omega CYD211 User Manual

5.3

FIRMWARE REPLACEMENT

There is one integrated circuit (IC) that may potentially require
replacement. See Figure 5-1 for IC location.
Firmware Microcontroller (U1) – Contains the software that runs the
entire instrument. Has a sticker on top labeled "M211F.HEX" and a version
number or date. Use the following procedure to replace this IC.
1. Follow the enclosure REMOVAL procedure in Paragraph 5.4.
2. Locate the IC on the main circuit board. See Figure 5-1. Note
orientation of existing IC.
CAUTION: The IC is an Electrostatic Discharge Sensitive (ESDS) device.
Wear shock-proof wrist straps (resistor limited to <5 mA) to
prevent injury to service personnel and to avoid inducing an
Electrostatic Discharge (ESD) into the device.
3. Use IC puller to remove existing IC from the socket.
4. Noting orientation of new IC, use an IC insertion tool to place new
device into socket.
5. Follow the opening the enclosure INSTALLATION procedure in
Paragraph 5.4.
Service
Omega Model CYD211 User's Manual
IC_Notch.bmp
5-3