Orban Optimod-FM 8500 Upgrade Instructions page 5

H) Important: If you updated from version 2.0.6 or earlier, use 8500 PC Remote or
front panel GUI to manually set the values of the controls shown in the table in
step (2.B) on page 3.
I) Using 8500 PC Remote, back up your Setup as you did in step (2.C) on page 3.
You can later use this file to automatically restore your setup controls after the
8500 8600 upgrade process is complete.
4. Install DSP Board Version 2.
[Skip this step if your 8500 already had DSP Board Version 2 installed.]
Perform the installation under static control conditions. Simply walking across a rug can gener-
ate a static charge of 20,000 volts. This is the spark or shock you may have felt when touching a
doorknob or some other conductive item. A much smaller static discharge is likely to com-
pletely destroy one or more of the CMOS semiconductors employed in OPTIMOD-FM. Static
damage will not be covered under warranty.
There are many common sources of static. Most involve some type of friction between two dis-
similar materials. Some examples are combing your hair, sliding across a seat cover or rolling a
cart across the floor. Since the threshold of human perception for a static discharge is 3000
volts, many damaging discharges will not even be noticed.
Basic damage prevention consists of minimizing generation, discharging any accumulated
static charge on your body or work station and preventing that discharge from being sent to or
through an electronic component. A static grounding strap (grounded through a protective re-
sistor) and a static safe workbench with a conductive surface should be used. This will prevent
any buildup of damaging static.
A) Disconnect power and all audio inputs and outputs, any composite outputs, and
remote interface connections.
B) If your 8500 is mounted in an equipment rack, remove it from the rack and place it
on an anti-static workbench.
C) Using a #1 Phillips screwdriver, remove the screws that secure the top cover. Re-
serve these screws for reassembly.
a) Remove the top cover, and familiarize yourself with the appearance and
location of the various circuit boards (see Figure 1 on page 6).
D) Remove the V1 DSP board.
a) Carefully remove all interconnecting cables to the existing DSP board, noting
their positions for reassembly later. Note that J601 and J602 ribbon cables are
socketed at their connection to the I/O board; these ribbon cables are soldered
on to the DSP board and not intended to be removed at this end. Remove from
the I/O board side only.
OPTIMOD-FM 8500 TO 8600 UPGRADE INSTRUCTIONS
IMPORTANT!
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