(Topic ID: 266511)

SOLVED Indiana Jones (Williams) “lites hand of fate” not illuminating

By orlandu81

3 years ago


Topic Heartbeat

Topic Stats

  • 30 posts
  • 8 Pinsiders participating
  • Latest reply 3 years ago by orlandu81
  • Topic is favorited by 2 Pinsiders

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#17 3 years ago

Hand of Fate lamps are wired together and are actually part of the GI circuit and not part of the lamp matrix. They connect to the white-violet and violet pair of J121 on the driver board. Like all GI, they are controlled by a triac on the driver board... which is controlled by the CPU. The test for these lamps is in the GI menu "Return Lane/Coin". The wiring is a direct shot from the driver board to the lamp on the left lane...the lamp on the right lane is part of the lamp board... you'll see there is a .156 3 position connector on that board right next to the lamp... that feeds that one bulb (white-violet, violet pair) and that connector is wired to the bulb on the left lane.

Can you control any of your GI?

#19 3 years ago
Quoted from orlandu81:

Thanks for the note! Yes I discovered all of this last night about the connection and everything looks clean in those areas, but originally the lamp housing on that circuit was loose and I resoldered it on when i was doing the LEDs but that didn’t fix the issue...but yes i can control the GI during test mode and those two lights (Lite hand of fate) do not illuminate at all during the test mode, even though i can dim and adjust the entire GI group.

J121 GI housing look good? Pins 6 and 11 ? J121 header on the driver board look good? No heat damage, cold/cracked solder?

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#22 3 years ago
Quoted from orlandu81:

J121 Connector on the driver board (and 120) were fully fried when i got the pin, which caused the entire GI to be out. I repinned it a few days ago and now it works great. Only issue left is with the lite hands of fate, isn’t that at J119 though? I plan to repin that one next even though the connector looks clean.

Nope... most definitely J121/J120, even though they originate from the same point on the driver board... it is delivered via J121/J120 to the playfield.
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#26 3 years ago
Quoted from orlandu81:

This seems to be the consensus at the moment...but all other GI that was previously not working is now working since I repinned the female connectors at J120 and J121. Maybe I can get lucky and use a wire brush on the pins to remove any remnants before removing the entire driver board and replacing those two male connectors on the pcb.
One other thing to point out...the bulb housing for the "lite hand of fate" was very loose upon initial inspection a few days ago (when I was putting LEDs on the entire game). It literally popped off in my hand...but looked clean. So I resoldered it back on to the illumination board under the playfield but obviously that didn't fix it. Is it possible that simply a bad housing (which is then linked to the other lite hand of fate housing) is causing this issue? I am trying to do everything else first before having to remove the driver board.

LEDs are notorious for being finicky in the sockets. When I rebuilt my Indy ... both lamps didn’t work. They both needed to be re-seated.

Those lamps should always be on in attract mode. Put your meter across the terminals and see if you have voltage.

#28 3 years ago
Quoted from orlandu81:

ricochet schudel5 22troy pintechev Thank you all for your input it was very helpful in my learning process on pinball machines, I've learned a lot with this pin so far and have fixed everything to date except this dam "lite hands of fate light". Over the next week I will try the following and report back (hopefully with it being fixed!):
1 - Test continuity around the housings to the driver board and determine where there is lost power
2 - Remove the illumination board under the playfield to see if the lite hand of fate housing is damaged on the other side, and will reflow the solder at those points.
3 - Finally, when I build up enough courage, I will remove the driver board and install new headers at J120 and J121 (this will probably fix the issue).

Removal of the driver board is less daunting than it actually looks. Everything will pretty much stay in its relative place when disconnected. Good Luck!

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