(Topic ID: 99875)

Club LED OCD, tips, tricks, thoughts, and advice. (www.ledocd.com products)

By Matt_Rasmussen

9 years ago


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  • 754 posts
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#725 2 years ago

Copying here as well, from the LOTR owner club thread:

Hi everyone

In the process of swapping my LOTR playfield, I replaced all bulbs with led. Of course, I added a ledocd for good measure, however... There's something very very odd (something which I had not seen in my CFTBL using WPC ledocd)

Basically :
- I have a lot of ghosting if the row (or column, can't remember) is activated. For example if I turn on the Legolas arrow, all inserts below (dwarf, elf, man) turn on dimly. Yes I used cheap non ghosting leds, that was actually the point
- in manual control I have a stable brightness level, however in game mode there is a lot of flickering, especially when the insert reach full brightness
- all backboard insert remain lit dimly (so ghosting), even though they should be completely off (even in manual mode). Looks like there is a residual voltage (this applies to all potd lights, and all mission lights)
- The sword lane inserts are also almost fully lit, even in off mode, although that could be a design choice. When testing them in test mode, they do lit slightly more when selected

Has anyone encountered these issues?

Sidenote... Fitting a pinsound and a ledocd in the backbox is quite an endeavor...

2 months later
#727 2 years ago
Quoted from Ashram56:

Copying here as well, from the LOTR owner club thread:
Hi everyone
In the process of swapping my LOTR playfield, I replaced all bulbs with led. Of course, I added a ledocd for good measure, however... There's something very very odd (something which I had not seen in my CFTBL using WPC ledocd)
Basically :
- I have a lot of ghosting if the row (or column, can't remember) is activated. For example if I turn on the Legolas arrow, all inserts below (dwarf, elf, man) turn on dimly. Yes I used cheap non ghosting leds, that was actually the point
- in manual control I have a stable brightness level, however in game mode there is a lot of flickering, especially when the insert reach full brightness
- all backboard insert remain lit dimly (so ghosting), even though they should be completely off (even in manual mode). Looks like there is a residual voltage (this applies to all potd lights, and all mission lights)
- The sword lane inserts are also almost fully lit, even in off mode, although that could be a design choice. When testing them in test mode, they do lit slightly more when selected
Has anyone encountered these issues?
Sidenote... Fitting a pinsound and a ledocd in the backbox is quite an endeavor...

I realized that I did not update this thread after finding the culprit: it was an assembly error on Stern side, the entire shooter lane inserts were badly wired, all diodes were connected in such a way that they were absolutely useless (as if they were not even installed). So of course, lot of issues on the insert matrix

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