Grass Valley Acappella v.3.1.0 - Manual (Page 89)

Acappella — Instruction Manual 89
5
Maintenance and
Troubleshooting
Field Replaceable Units
Acappella frames are not serviced in the field. Return faulty units to a des-
ignated repair depot. See Contacting Grass Valley
on page 4 .
Troubleshooting
Check Connections
• Connections should be tight and electrically sound
• Cables should be checked for damage
Check Inputs
• AC power connections,
• Signal input (video, audio) must be present and within specifications,
• Cable length should be within recommended limits,
• Reference Signal must be present, within specifications, and must not
be electrically noisy, and
• Input Video Signals are required to be zero timed for proper switch
point.