Tektronix Grass Valley 4000, Installation And Service

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5-27
Troubleshooting
Figure 5-14. 064818—Analog Input Module
1. Check the Operator’s Guide to verify correct usage of the function that appears broken.
2. Verify the function in question is supported by the current software release.
3. Is the LED at front edge of the Sync Generator module lit? If not, check fuse on the
Move the suspected module to another Analog Input slot in
the frame. Then reconfigure the switcher (using the Configure Menu)
1. Visually inspect the module for obvious problems: bent connector
pins; improperly socketed parts; or broken solder connections.
2. Verify alignment of module. See Alignment Procedure xxxxx.
064818 - Analog Input Module
Analog Input Module.
4. Identify which Serial Input Module is responsible for the input in question from the
following list:
Analog Input 1 (Slot D17): Inputs 1 and 2
Analog Input 2 (Slot D16): Inputs 3 and 4
Analog Input 3 (Slot D15): Inputs 5 and 6
Analog Input 4 (Slot D14): Inputs 7 and 8
Analog Input 5 (Slot D13): Inputs 9 and 10
Analog Input 6 (Slot D12): Inputs 11 and 12
Analog Input 7 (Slot D11): Inputs 13 and 14
Analog Input 8 (Slot D10): Inputs 15 and 16
The problem did not
follow the module.
Problem is
Module in
The problem
module.
probably the
question.
followed the
This especially applies to selection of input format for analog inputs, and setting switcher
input timing (this determines clamp timing of analog inputs).
so that this input can be examined with a monitor at a
switcher output, such as an Aux Bus output.
Problem is not on
Analog Input Module
064818
3. If unable to locate problem, contact customer service for instructions.