Just got one from a pinsider, thanks!

So I once again went through all wires and all connections. No wire touching any other wire anywhere. All attachments to the board secure and in place. ..With the coin door open, all of the GI bulbs work and all red LEDs on the board are lit. Test through all lamps, all is good, test all switches, all is good, however, when the corn door is closed (activating the coils), or activating any coil at all in test menu, immediately knocks out the GI and all red LED lights on the board associated with GI flicker out within seconds. Turn game off, coin door open, turn game on, all is well again, until I test a coil, any coil, and GIs go out again in seconds.... No tech errors in menu, no alerts. And again, I hear this tiny little noise from the board itself, sounds like Morse code over a radio, really weird. The board itself looks good, no burned areas, looks like a practically brand-new board..
Could this be some transistor issue? And if so, where? I'm at a loss with this one! If anyone has any ideas on this, I certainly would appreciate it!!!
Thanks again everyone

There are always more methods to troubleshoot.
Unplug mods and test.
Pull the fuses for the coils and test.
Unplug GI or Coil connections and test. You may even find combinations of connections that cause the issue.
With the GI unplugged or fuse pulled, check each coil and flasher for operation.
Test the boards in another pin.

Also, you man want to start a separate troubleshooting thread in the tech forum to get the attention of a lot of experienced techs.

Did some mods in my nib box met pro led
- Pinbits clear protector set
- snake fangs & tongue decal
- orange glo ball in captive shot
- mylar on two magnets
- added metal diverter rod to rear orbit coil
- added green flex led to full fuel gauge
- mylar on outside cabinet flipper buttons
- Titan purple flipper rubbers
Waiting on my Cliffy order of:
- mystery scoop
- drop ball lanes
- rail guard & shooter eject

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Airball destruction....not sure when happen noticed it when pushing spot lamp LED back in that seems to always want to come out . The corner piece was hanging , I push it up some prior to taken photo.

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it's been quite a while since I did all of my initial bulletproofing. what I meant with regards to this post:
https://pinside.com/pinball/forum/topic/metallica-owners-thread/page/150#post-3231175
was that the bottom end of the lane guides are not round, but rather race track [oval] shaped, so that is where the 5/16" ID rings are used. the top end of the lane guides use 3/16" ID rings

the right ramp covers up access to the lane guides at the top of the playfield, so you will need to remove the metal ramp to be able to use a screwdriver to remove the lane guides and then replace the rubber rings

additionally, [at least on an LE or premium], there are (3) spear topped metal posts that use 7/16" OD rings. these metal posts are there to prevent places where a ball could could get trapped, however are covered by the plastic located behind the snake head (and hammer on an LE or premium). again, many components have to be removed to actually remove the screws holding the plastic in place that covers these smaller, metal posts

ps
if you filter this thread by my user name (j_m_), you'll find quite a few little useful tips and tidbits for setting up and protecting the game. these include re-positioning the vuk post in the snake mouth to eliminate/reduce wild ball ejects, eliminating flipper "buzz", etc...

so I think I got it all figured out. I took the board off and brought it to my local distributor and checked it against his machine, board was fine. I started thinking, the last major edition that I put was pinstadiums, and there is UV glow with that. I also had the "Ride the Lightning" UV glow strip hovering over the back of the Playfield connected to a flasher. After installing the pinstadiums, which are really great on this machine by the way, in my opinion, I got a week or more of more routine play, and that's when the issues started coming about... Knowing that the board was good, and all wiring was good, I continued the troubleshooting through the mods that I have put in this machine over the course of this last year (a case of too many mods, hahaha?) So, as my first move I disconnected the pinball refinery UV strip and, well, that seems to have done it. I guess having 3 total strips of UV light causes entirely too much draw from the system causing the board to go crazy. Anyway, seems like a fix for now, and that's good enough for me!
Thought I would pass on this information along in case anyone else has one of those refinery UV strips (which do you add a nice UV glow in the absence of pain stadiums) and is opting on installing some pinstadiums.

it's all about how many amps a particular mod is drawing. there's only so much power available on those lines out of the transformer

Is it worth buying PDI glass? Is there a substitute glass that you guys have found works just as good? ( ie. Invisa-glass)
Appreciate the feedback.

With a simple change that's invisible once the bulb is installed, your spotlights will never fall out again:

https://pinside.com/pinball/forum/topic/fixing-led-bulbs-flashers-that-fall-out-of-spotlights

Was thinking about adding the fang mod to the snake.
Can someone tell me if it’s an easy install?

Dead simple. Do the tongue while you're at it if you haven't already.

OK great .thank you

On the back of the snake mech, there are two longer screws (flat bottom, not pointed).

Can't find anything in the manual. Anyone know what they are?

The PDI or HD glass is important if you also have the interactive backbox mod and/or a ColorDMD. Without it, you might not see the back of the playfield during play.

I can see my entire playfield perfectly with regular glass and a ColorDMD for what it's worth.

Curious ,are there any sound differences between the PDI the HD and the tempered stock glass That comes with the machine?

I've had them all lined up side by side and they were all silent.

What everyday tempered Pinball glass has never spoken to you?!

Meaning.... does one tone down the playfield noise more then others?
If that makes sense

Sparky...

What do you use to clean the 2 metal ramps? I always just used a little novis 1 sprayed on terry cloth rag and buffed them, but know there is a better way and want to know. Also, Rickwh airball plastic around Sparky. Had this on since I got the game in 2014 and magnet, and playfield looks good after 5 years.

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I use Plexus plastic cleaner on the ramps. Works great!

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Added the Belt buckle mod today.

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Anyone have a photo of where they put washers on the snake mech to lower it on the pf.

I did mine a while ago, but wanted to compare as it's still not perfect.

Hey guys not sure if this has been posted before but I've been having real strobing issues with the gi's. Tried all the cables etc. But was told this and it seems to work without stuffing around with cables and connectors. Lower the gi brightness setting from factory 50 to 40. Wham no more strobing. Thought I'd let you know

Nice...what did you use to attach it to post, and link to where to buy? Also, I am not sure why you received negative down votes for this.

Cause it's a belt buckle on a pinball machine.

And it's not quite the Metallica logo. It's a chinese knock off. I posted side by side pics at somepoint.

The buckle was bought on Amazon for like $12. I improvised and looked around my tool box to see what I had available. I found a 1 1/2" Stanley corner brace and a 4" Stanley mending plate. I attached the corner brace with small zip ties. I used a small bolt and nut with more zip ties to attach the corner brace to the mending plate. Lastly I just aligned the mending plate hole under the ramp post. It is very secure and does not block view of any game play. Adds a nice touch. I like it. Knock off or not.

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The previous owner put a reflective flame decal there on mine. No idea where they found it, but I think it looks great in person.

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The strobe light over left ramp
Came out twice. Don’t remember seeing it get hit . Is there a trick to keeping it in the socket? I already tilted up a little more.

Also I’m having the stern flipper buzz happening on left flipper.
Does stern usually help with this at all?

Not technically an owner but I am just throwing down the gauntlet to all you MET owners here. I am borrowing this LE from a friend. this was a 2 billion end of the line collection scoring 600 million collects while it ran a few times over. Absolute game of my life!

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Damn! That was one hell of a game. I can’t even get 1 billion and I own one. Nice job!

That's awesome, how long was the game?

About 45 minutes. I survived the distractions of a phone call and also being called back in the house for dinner!

Nicely done.

I had this problem, and I made a crappy gasket from auto gasket material at Autozone. I am not a neat cutter, so I also got some Neoprene washers made. They are black 1/64" thick, 1 3/8 in in diameter with a 1/2" hole in the center. I had to get a lot made, so if anyone is interested, LMK. I call them "Buzzkill" I used 2 on my left flipper and one on my right and the flipper noise went away. The ugly blue one worked, but I wasn't proud to have it in my machine. Since it's Metallica, it wanted a "Blackened" one.

To install, you move the spring washer to the other side and put some Buzzkills between the coil and the coil stop where the Spring washer was.

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Holy shit and I thought my 2 bil was special..... Nope not now

I'm happy if I crack 100mil

Good score. Beats my best by a factor of x16 or x17, and I own it! Bet you’d keep it if you could after that.

My Metallica Premium recently lost sound to the backbox speakers. I looked through the manual to see if any of the fuses are associated with them and couldn't figure it out, any help or direction would be appreciated. Thank you.

Pins 1 and 2 of connector J10 go to the backbox speakers. Start by checking those wires with your meter to make sure everything is connected.

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Had this happen to my premium in 2015. I needed a new board. Out of warranty, but my distributor got Stern to cover it. I had to send the defect board back to Stern.

Wasn't the bulb that got hit , those work they way out from vibrations, it's the plastic that broke from an airball. Corner piece snapped right by spotlight.

Quick question for owners: I have a pro model I picked up yesterday. I noticed a knocking sound coming from the back of the game (not the knocker though). It happens after I launch the ball and when the ball goes along the outer orbits. Is this normal for the game or should I be troubleshooting this?

Yup! There is a mechanical post there. It’ll drop if you hold the left flipper during the plunge, or if you start Lady Justice mode, or if the orbit shot is made as part of a combo, and probably a couple other modes.

If you full plunge without holding the left flipper, the ball will hit that post and roll back down through the pop bumpers. During normal play if you shoot an orbit, that post will be up and the shot will bounce back from that post either down the pops on the right orbit shot or roll back out of the left orbit.

Thank you. The game is still in my garage so I haven’t been able to get a lot of time on it (should have it in the game room this weekend). I’m going to carefully study the rule sheet this week. Glad to add this one to the collection. Awesome game and I really wanted a music themed game.

YouTube ‘ Learn To Play Metallica Premium Pinball ‘. It’s by Buffalo Pinball. This is the Best tutorial for Metallica.

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