[sdiy] LEDs dying in LCD alphanumeric display

[Matthew Smith]

Quoth Harry Bissell at 08/11/11 00:23...
> I had a similar failure in an Alesis D4 drum machine. The LCD was backlit by 24 parallel
> connected LED chips bonded to a copper (PCB) substrate. Once one chip fails, the others get
> progressively higher current and fail more rapidly.

If replacing, why not make a new PCB with series connected LEDs, with an 
appropriate driver chip?

-- 
Matthew Smith

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