Extron electronics ISS 506 User Manual page 157

4. Lift the top cover straight up approximately 5 inches until you can access the
fan power cord.
C
5. Disconnect the fan power cord from connector J46 on the main board.
6. Lift the top cover out of the way.
7. Perform the desired maintenance procedure. See "Installing an SDI/HD-SDI
Input Board", below, or "Installing an Output Board", later in this chapter.
Installing an Optional SDI/HD-SDI Input Board
You can install an optional SDI/HD-SDI input board in the ISS. With the board
installed, the switcher can input SDI or HD-SDI video on input 6. Extron
recommends that you send the unit to Extron for service and updates.
Install an optional SDI/HD-SDI input board in the ISS as follows:
W
W
1. Open the switcher. See "Opening the Switcher," on page 7-2.
C
2. On the main board (figure 7-2), locate connectors J26, J43, and J44 (
three standoffs (
3
1
J26
2
Figure 7-2 — Input board installation location
Do not touch any electronic components inside the ISS. Doing so could
damage the switcher. Electrostatic discharge (ESD) can damage IC chips
even though you cannot feel it. You must be electrically grounded before
proceeding with maintenance. A grounding wrist strap is recommended.
Changes to electronic components must be performed by authorized
service personnel only.
To prevent electric shock, always unplug the ISS from the AC power
source before opening the enclosure.
Do not touch any switches or other electronic components inside the
ISS. Doing so could damage the ISS. Electrostatic discharge (ESD) can
damage IC chips even though you cannot feel it. You must be electrically
grounded before proceeding with any electronic component replacement.
A grounding wrist strap is recommended.
b ); and the rear panel connector port (
ISS 506 Integration Seamless Switcher • Modifications
a ); the
c ).
2
2
1 1
J43 J44
7-3