5-4
Section 5 — Troubleshooting and Diagnostics
Troubleshooting
The Model 4000 troubleshooting section is divided into four basic sections:
■
Overall System Troubleshooting
■
Individual Module Troubleshooting
■
Control Panel Troubleshooting
■
Power Supply Troubleshooting
Overall System Troubleshooting
After power-up or reset check for the following indicators throughout the
switcher:
The following indicators should be on to show the switcher Control Panel is
functioning properly:
■
The Model 4000 message is on in the soft menu display.
■
The green (RUN) light is lit on the Control Panel CPU inside the panel.
■
Crosspoints can be changed and video will follow change.
For Control Panel problems refer to the Control Panel Troubleshooting heading
later in this section.
Inside the front door of the Signal Processor Frame check for the following:
■
+5 RUN lights at the top of each module in the A and B Bays should be lit. If
not, the +5V fuse on the module is blown.
■
The rear power indicators on the Sync Generator Module in Slot A9 should be
lit for each module present. These indicators show that the module is plugged
in and the +5V is running.
■
The LOCK and REF indicators on the Sync Generator in Slot A9 should be lit.
■
All green LED indicators (except CP 4) are lit on the Control Processor 1
Module in Slot A1.
■
Check the RUN indicators on each Mix/Wipe Module.
Troubleshooting for each individual module can be found under the Individual
Module Troubleshooting heading later in this section.
Check that the Power Supply (Supplies) are running properly:
■
Power On indicators on the front of the power supply and optional redundant
power supply are lit.
Refer to the Power Supply Troubleshooting heading later in this section for
Control Panel problems.
Summary of Contents for Grass Valley 4000
Page 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 34: ...1 20 Section 1 System Overview ...
Page 138: ...2 104 Section 2 Installation ...
Page 196: ...3 58 Section 3 Functional Description ...
Page 286: ...Index 6 Index ...