Funhouse lamp ghosting after playfield swap (SOLVED!)


By Shredso

1 year ago


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  • 20 posts
  • 8 Pinsiders participating
  • Latest reply 1 year ago by snakesnsparklers
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#1 1 year ago

After a playfield swap I'm getting terrible ghosting of the LEDs. Worse than I've seen in any game. 2 or 3 lamps blinking full brightness on the mystery mirror. Minute hand impossible to read because 4 are lit. I don't recall seeing any ghosting before the swap but if I remember correctly there were only a handful of LEDs. These are all Cointaker supers now. I'm running 9.06H code, which I thought included the no ghosting fix. I swapped the mystery mirror back to incandescent and it works properly. I still can't help but think something isn't right. Any suggestions?

#2 1 year ago

You should try their premium non ghosting bulbs, if that doesn't fix it, I had to install an OCD LED board in my STTNG to get them to stop ghosting. Hope that helps

#3 1 year ago
Quoted from Dopes214tx:

You should try their premium non ghosting bulbs, if that doesn't fix it, I had to install an OCD LED board in my STTNG to get them to stop ghosting. Hope that helps

I've used the premiums in every Stern I've had. I just find it odd that it's so extreme in this game. I think I will be purchasing an LED OCD.

#4 1 year ago

LED OCD is the way to go. I have it on my FH and all my B/W machines. One of the top 5 mods in pinball that's necessary (IMO) for all machines.

#5 1 year ago
Quoted from beelzeboob:

LED OCD is the way to go. I have it on my FH and all my B/W machines. One of the top 5 mods in pinball that's necessary (IMO) for all machines.

I have 2 of them in Sterns. I always felt like the Sterns really needed them. I've never seen significant ghosting in a WPC game. Maybe I'm lucky. I did order a WPC LED OCD. Hopefully it solves the problem.

#6 1 year ago

Of course we talked via email, but I just wanted to reiterate, both for you and for other readers. If those lamps are lighting full brightness, it sounds like a wiring issue more than typical ghosting, and I would be somewhat surprised if the LED OCD fixes it.

I meant to mention, this lamp matrix tester is a quick way to narrow these kinds of issues.
http://www.siegecraft.us/presta/index.php?id_product=11&controller=product&id_lang=1

It all but eliminates any possible lamp matrix wiring, diode, LED bulb issues, so if you see the ghosting on it, you can say for certain that it's coming from the power driver board, not the stuff under the playfield.

My guess in your case is that you would not see the "ghosting" with the tester.

#7 1 year ago

Guys,

WPC game ROMs can easily be patched to remove ghosting when used with LEDs. You can use the cheap LEDs that don't have "noghost" or "noflicker" or whatever premium features the better LEDs have. No offense to LED OCD which I think is a great product, but I personally would rather buy cheap LEDs and patch the game ROM for free to remove the ghosting on WPC games.

#8 1 year ago
Quoted from snakesnsparklers:

Guys,
WPC game ROMs can easily be patched to remove ghosting when used with LEDs. You can use the cheap LEDs that don't have "noghost" or "noflicker" or whatever premium features the better LEDs have. No offense to LED OCD which I think is a great product, but I personally would rather buy cheap LEDs and patch the game ROM for free to remove the ghosting on WPC games.

The ocd boards do alot more than just fix ghosting.

#9 1 year ago
Quoted from bigd1979:

The ocd boards do alot more than just fix ghosting.

This is true. Don't get me wrong I am not knocking them at all. Just want others to be aware that it is not required to fix LED ghosting on WPC games.

#10 1 year ago

Theres another issue with op game bc the home rom has the patch. Apparently all this started after ba playfield swap so cld be a number of things causing it. Also ghosting usually don't result in lights being fully lit like op has mentioned.

#11 1 year ago
Quoted from herg:

Of course we talked via email, but I just wanted to reiterate, both for you and for other readers. If those lamps are lighting full brightness, it sounds like a wiring issue more than typical ghosting, and I would be somewhat surprised if the LED OCD fixes it.
I meant to mention, this lamp matrix tester is a quick way to narrow these kinds of issues.
http://www.siegecraft.us/presta/index.php?id_product=11&controller=product&id_lang=1
It all but eliminates any possible lamp matrix wiring, diode, LED bulb issues, so if you see the ghosting on it, you can say for certain that it's coming from the power driver board, not the stuff under the playfield.
My guess in your case is that you would not see the "ghosting" with the tester.

I forgot I bought one of those! I did not see any ghosting with the tester. Any suggestions where to look next? I'll start looking for obvious things and see if I can come up with a pattern of which lights stay lit.

#12 1 year ago

I recommend going into lamp test, selecting lamps one at a time, and noting any lamps that light when they shouldn't. Marking them on a print of the matrix table can help you find the pattern. Worst case, post your results and someone will help.

#13 1 year ago

I tried to find some patterns in the lamps that stay lit. I realized I didn't have a diode in the pop bumper lamps. I'm used to pops being GI. I disconnected all 3 pop lamp wires and problems persist.

Everything in row 8 is always at least partially lit, except for Start button.

Lamp 53 lit when any lamp in row 3 is tested
Lamp 54 lit when any lamp in row 4 is tested
Lamp 55 lit when any lamp in row 5 is tested
Lamp 56 lit when any lamp in row 6 is tested
Lamp 57 lit when any lamp in row 7 is tested

I'll do some more digging later. Any suggestions in the meantime are appreciated.

#14 1 year ago

Printing out the lamp matrix chart in large print that I could mark out made this a lot easier. It became pretty obvious that all lamps in row 8 were stuck on, and all lamps in column 5 were problematic. Those intersect at the overhead gangway lamp. It looked like one of the tabs was touching the bracket. Readjusted and problems persisted. Luckily this lamp has a quick connect under the playfield. Disconnected that and all issues went away. Now I'm only troubleshooting one lamp, shouldn't be too bad.

#15 1 year ago

Make sure the Gangway light is wired properly with the diode.
To do this, compare the wiring to the left ramp overhead light.

#16 1 year ago
Quoted from T7:

Make sure the Gangway light is wired properly with the diode.
To do this, compare the wiring to the left ramp overhead light.

The light was improperly wired. I just need to rewire my Pop bumpers (with diodes this time) and I should be 100%!

4 weeks later
#17 1 year ago
Quoted from Shredso:

I'm running 9.06H code

9.06H? Where did you get that?

#18 1 year ago
Quoted from pinballshark:

9.06H? Where did you get that?

I don't recall if I burned it or if it came with the machine. A quick search showed it available from VPforums. I couldn't tell you what the difference is. Now I'm really curious.

#19 1 year ago

It may be that 9.05 is a home only ROM and 9.06 offers the option of coin play with the updates of 9.05?

#20 1 year ago
Quoted from Shredso:

It may be that 9.05 is a home only ROM and 9.06 offers the option of coin play with the updates of 9.05?

Correct

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