How many spare cabinets, modules and power supplies should I buy?
There is no universal spare percentage for eve…
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Read MoreHow many spare cabinets, modules and power supplies should I buy?
Why are serial numbers and production batches important in a used LED purchase?
Yes. Serial numbers and batch information supp…
How do I verify the pixel pitch and cabinet size of a used screen?
Verify pixel pitch from more than one source. …
What should I confirm before buying a used LED display?
Start with a complete equipment identity, not …
How Packing and Dispatch Protect the Quality Record
Field reference: cases being loaded. I…
Why Continuous Aging Adds a Different Kind of Confidence
Field reference: a large live display …
Why Repair Evidence Must Include the Re-test
Technical reference: a receiving-card …
How Power-On Diagnosis Turns a Cabinet Photograph into Functional Evidence
Field reference: a control position wi…
