5-36
Section 5 — Troubleshooting and Diagnostics
Control Panel Troubleshooting
Figure 5-23. Control Panel
1. Verify the A/C fuse (at the On/Off switch) is operational on the main power supply and
2. Verify the fuse located on the individual power supplies is operational.
Specific switch or soft knob adjustment
on Control Panel is not responding.
Control Panel
the optional redundant power supply.
Connect Status Terminal to the
connector on the rear of the
Control Panel.
Set the rotary switch on the
Control Processor Module
in the Control Panel.
Position Ø = Normal operation
Position 1 = Upper Panel Test
Position 2 = Lower Panel Test
Press RESET
Switch
(Push Button)
Test
Processor
Memory
Test
Shaft Encoder
(Knob)
Test
Identify switch on
Status Terminal
Identify knob on
Status Terminal
Check schematic
for specific
circuitry
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 ...