(Topic ID: 243138)

TSPP lamp matrix issue (led melted)

By Ben38

4 years ago



Topic Stats

  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 4 years ago by Billc479
  • No one calls this topic a favorite

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#1 4 years ago

Hi
I have an issue with my TSPP.
Since I have it, it was burning some lamps quite quickly. Already the sames. But I didn't take care too much of this issue.
Yesterday I installed Leds to replace the incandescent bulks.

After ~10-15 minutes in the lamp test mode, some LED are already off ! The same as the usual burned incandescent lamps. And I smell a burning smell.
I shut down the machine, and I inspect the burned LED. They are very hot, and some of them are melted !! In less than 15 minutes.

I checked all the LED, and only some of them are hot. And all of the hot LEDs are in the row n°4 of the lamp matrix. (CBG skill shot, CBG hurry up, the 4 Daredevil)

What can be the cause ?
> Is is inevitably the transistor Q36 ? How to be sure ?
> Can it be another cause ?
What to check first to find the root cause?

Thanks for your help

#2 4 years ago

Check your voltages to those lamps and compare to another spot where the bulbs are OK. You may have the wrong voltage LEDs or you're getting solenoid voltages on that line.

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