Blog
The CPS blog: notes from the repair bench
Longer reads from the workshop: what fails on tour, what it costs in downtime, and what we learn taking it apart.
AV equipment fails intermittently? Why fault finding can be difficult
An AV system that works perfectly during setup can suddenly stop working during a test, then start again a few minutes later. These intermittent faults can be frustrating for technicians because the equipment may appear fine when it is being checked. The issue may only show up after the system has been running for some time, when a cable is moved, or when several pieces of equipment are connected.
19 October 2026
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Onsite AV equipment repair: benefits, limitations and what to expect
An AV fault can cause serious disruption when equipment is needed for an event, venue or live production. Removing large or installed equipment for diagnosis is not always convenient. Onsite AV equipment repair allows a technician to inspect equipment at the location where the fault occurs and determine what needs to be done.
30 September 2026
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Audio visual maintenance checklist: 15 essential checks for reliable AV equipment
An AV system can work perfectly during setup and still develop a fault when an event is about to begin. Loose connections, damaged cables, overheating and signal issues can affect sound, video or lighting without much warning. Regular checks can help teams spot these problems before they cause disruption.
30 September 2026
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Video
Dead pixel repair: detecting and fixing pixel problems
A small dark spot on an LED screen can be easy to notice, especially when the display is showing bright colours or detailed visuals. A single faulty pixel may seem minor, but several affected pixels change the way the whole screen looks. So what is a dead pixel, and how can you tell whether the issue is really caused by a failed pixel?
22 September 2026
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Video
LED screen flickering: causes, diagnosis and repair
A flickering LED display can turn a clear visual into a distracting experience within seconds. The problem may affect the whole screen, a single module or just a small group of pixels. Finding the source early can help prevent the fault from spreading or returning after a temporary fix.
22 September 2026
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