(Topic ID: 164280)

Stern Modified Type II Whitestar No Audio: suggestions?


By cody_chunn

2 years ago



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  • 24 posts
  • 9 Pinsiders participating
  • Latest reply 2 years ago by cody_chunn
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LOTR_sound_board_U8_(resized).jpg
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#1 2 years ago

One of my customers is about to buy a LotR from one of the early runs. It has no audio at all. We have swapped the board and a different board works fine, so this one needs to be sent out for repair.

Where should I send it?

#2 2 years ago

Coin op cauldron is where I sent mine.

#3 2 years ago
Quoted from brent149:

Coin op cauldron is where I sent mine.

Yes, I have had Clive repair some of my older stuff that got over my head. Good to know he fixes modern Stern boards.

Thanks!

#4 2 years ago

I've never tried stern. I've only had Williams but assume he does it all.

#5 2 years ago

Are you sure the board needs repair? If it has an older white star CPU board because say the previous owner swapped the CPU board with another whitestar game, then everything works great except audio. I think the numbers off the top of my head are 5300 is new board and 5136 is old board. 5300 is backwards compatible. 5136 only works up to t3 or lord of the rings or such. This is a bit more common than you'd think.

#6 2 years ago
Quoted from markmon:

Are you sure the board needs repair? If it has an older white star CPU board because say the previous owner swapped the CPU board with another whitestar game, then everything works great except audio. I think the numbers off the top of my head are 5300 is new board and 5136 is old board. 5300 is backwards compatible. 5136 only works up to t3 or lord of the rings or such. This is a bit more common than you'd think.

It's the original board for sure, and it's broken for sure. Stern had a rash of audio failures around this time but the current owner never had it fixed. I just swapped my board into his game to prove the board had failed.

#7 2 years ago
Quoted from cody_chunn:

It's the original board for sure, and it's broken for sure. Stern had a rash of audio failures around this time but the current owner never had it fixed. I just swapped my board into his game to prove the board had failed.

Again, swapping your board in doesn't prove that his needs repair. I mean you are probably right, but if the board is say a 5136 instead of a 5300 model, this would be the result in lord of the rings and it would not need repair.

#8 2 years ago
Quoted from markmon:

Again, swapping your board in doesn't prove that his needs repair. I mean you are probably right, but if the board is say a 5136 instead of a 5300 model, this would be the result in lord of the rings and it would not need repair.

Wow. OK.

His game was working.

Audio failed.

Installed control board from my game. Audio restored.

Reinstalled his board, no audio.

Reinstalled my board in my game, audio works.

I have no idea why you are hung up on board rev levels.

#9 2 years ago

He's just saying check the model number of the board. Definitely wort the time to know its not the wrong board.

2 weeks later
#10 2 years ago

OK, Clive doesn't work on this particular control board: modified type 2 whitestar. It's got to go to a Stern distributor for repair.

So that being the case, who's got really positive things to say about a distributor? With good rates on excellent quality work?

#11 2 years ago

I'd check with Chris Hibler http://chrishiblerpinball.com/contact/
and Rob Anthony http://lockwhenlit.com/

Any particular reason you want a Stern distributor for an out of warranty repair?

#12 2 years ago

It has proprietary stuff involved that is resourced only to/by distributors.

Brady?

Betson?

Shaffer?

Anyone have good/bad experiences with any of these guys? Really good experience with another?

#13 2 years ago

Contact Stern. They may be willing to do the fix in their factory.

#14 2 years ago

Stern has the ability to return boards to CSC (the company who builds the board for them) to test and repair the board. They don't do really complicated repair work in house. And honestly, I doubt their distributors do either.

I've discussed this with the guys in service a bit, as I've had to call them with a few things after I started doing whitestar repair. I had a Monopoly CPU with a massive failure that I was just about ready to bounce off the wall. The customer connected the display connector to the speaker out, and blew a few traces right off the board!

Call in and talk to Chaz or Pat.

You can check with Rob and Chris as well, they are both excellent technicians. And sending the board to Stern won't exactly be cheap.

#15 2 years ago

I would also add that it could be something very minor - you could check a few things like making sure the voltage regulators in the audio section are creating the +5 and -5, and touch the leads on the amps and see if the speakers hum, etc to make sure it's not something minor that could be easily fixed, before sending it in.

#16 2 years ago

Thanks, all. I am going to be able to look at this game tomorrow. I don't know if I'll have wifi in his pool house. Are there a few definite checks I can make to eliminate any quick fixes available to me?

Talking to Stern during business hours and have access to the game will require taking off work. I don't really mind doing that, but I don't want to end up wasting the day because Stern got busy.

Anyone have 4 or 5 bullet points to test NO AUDIO on a Stern Modified Type II Whitestar?

#17 2 years ago

OK, I have the voltage checks from the wiki +/-12 and +/-5 and reseat U7.

Anything else?

#18 2 years ago

Check the caps to make sure they aren't bad.
And check the transistors.
Also look for cold solider joints.

IMG_20160806_235636_(resized).jpg

#20 2 years ago

So what fixed your no audio problem? You mention several suspects.

Quoted from maddog14:

https://pinside.com/pinball/forum/topic/lotr-sound-now-gone
https://pinside.com/pinball/forum/topic/are-atmel-at49bv1614-11tc-at49bv162at-70ti-interchangeable
ebay.com link » At49bv162at 70ti Stern Pinball Whitestar At49bv1614 11tc Atmel Flash Memory
And yes, My LOTR is still working beautifully!!

#21 2 years ago
Quoted from cody_chunn:

So what fixed your no audio problem? You mention several suspects.

If you read both threads, it looks like Maddog replaced the U8 ATMEL surfaced mounted chip with the one in the eBay link (see below, click to zoom).

LOTR_sound_board_U8_(resized).jpg

#22 2 years ago
Quoted from cody_chunn:

So what fixed your no audio problem? You mention several suspects.

The U8 was replaced.

If you watched me replace the chip, you would have laughed. I wore two pairs of reading glasses so I could see small enough to do the soldering.

#23 2 years ago

I just recently discovered that readers are add-a-lens when you stack them up.

Thanks for the info.

3 weeks later
#24 2 years ago

Thread resurrection:

Well, this was a bust. The distributer forwarded it to Stern and now (3rd week) they are thinking about sending it to the maker which will likely take another 2 weeks.

I deleted the mails when we sent the board to the dist. thinking it was a done deal. However, the owner is thinking about telling Stern to send it back and we'll get it fixed by one of the respondents from before.

SO, if you are sure you can repair this modified whitestar lord of the rings main control board please hit me up with a new estimate and ship to address.

Thanks!!

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