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Author Topic: 1270 mpu not working after varta battery removal  (Read 950 times)

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Offline PapaB

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1270 mpu not working after varta battery removal
« on: January 01, 2023, 04:37:02 PM »
Just removed the varta battery and the u16 chip from a 1270 enhanced board....
Getting this message...
"Displays Netplex link is down"
Any ideas???
« Last Edit: January 05, 2023, 07:38:31 AM by qbert »

Offline Tilt

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Re: 1270 mpu not working after varta battery removal
« Reply #1 on: January 01, 2023, 05:05:26 PM »
Can you post a picture of where you did the work on the MPU board?  What the red led blinking on the MPU board?

Offline PapaB

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Re: 1270 mpu not working after varta battery removal
« Reply #2 on: January 01, 2023, 05:15:24 PM »
Machine was working fine...
Removed the varta battery an u16 as advised
mpu lights up like a christmas tree ...all lights on
Maybe I need to jumper varta connections?

Offline Tilt

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Re: 1270 mpu not working after varta battery removal
« Reply #3 on: January 01, 2023, 05:27:47 PM »
It has some corrosion damage for sure, but you removed it correctly.   Is the red led blinking when it's turned on?

Doesn't require any jumpers.



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Re: 1270 mpu not working after varta battery removal
« Reply #4 on: January 01, 2023, 05:34:03 PM »
I had the same thing happen to me. The board was working fine before removing the Varta and u-16. I Haven't looked into trying to fix it yet. I believe I will have to replace u-16 and a new Varta.

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Re: 1270 mpu not working after varta battery removal
« Reply #5 on: January 01, 2023, 05:41:03 PM »
there is a fix for that condition,  contact lookes ,  he can fix the board for you.

Jim



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Re: 1270 mpu not working after varta battery removal
« Reply #6 on: January 01, 2023, 05:50:45 PM »
Definitely do not need to replace Varta and U16, that won't solve the problem.

Lookes did several for me and they work perfectly.

PM Lookes.

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Re: 1270 mpu not working after varta battery removal
« Reply #7 on: January 01, 2023, 08:04:23 PM »
Tilt...
All mpu lights are all on solid except the 3rd down from top and the red at the bottom are flashing...
The "displays netplex link is down" message is also flashing in the display

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Re: 1270 mpu not working after varta battery removal
« Reply #8 on: January 01, 2023, 08:23:00 PM »
Yeah, the MPU isn't booting correctly.  Check with lookes as others have suggested.

Offline lookes

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Re: 1270 mpu not working after varta battery removal
« Reply #9 on: January 01, 2023, 08:32:47 PM »
PM sent.
I Repair IGT 50X, 1270, 039, 044, and S+ MPU's. Contact me at slots@lookelectronics.com for more information.

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Re: 1270 mpu not working after varta battery removal
« Reply #10 on: January 01, 2023, 08:45:11 PM »
Ok, now when I power up this machine I get the flashing message "displays Netplex link is down" until I close the door, then the machines boots up runs fine...
I attempted to run a keychip 45 on it to change some settings to get the printer working and it just sits there...no amber lights...
I remove the key chips, reinsert the game chip and it will boot up only if I close the door...
« Last Edit: January 02, 2023, 01:45:19 AM by PapaB »

Offline Stayouttadabunker

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Re: 1270 mpu not working after varta battery removal
« Reply #11 on: January 02, 2023, 06:05:52 AM »
There's a multi-colored ribbon cable that runs up from the display driver circuit board on the door panel, to the reel glass blue VFD display.
Make sure it is not loose and securely pushed into the displays' connector housing.
The ribbon cable runs under the door cable up to the display.
Rarely but sometimes it does work itself loose from the reel glass display.
Remember, the more you tell us - the better we can help you!

Consider becoming a regular contributing member, which helps pay costs to keep this site up and running so you can keep your machine up and running :)

Offline Rpowell18

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Re: 1270 mpu not working after varta battery removal
« Reply #12 on: January 04, 2023, 06:28:19 PM »
i have a 1270 board and the battery is needed ..the reason being that if the the green battery is the main battery and the flat battery is the secondary....if the battery goes dead the vert battery will keep you from having to  reprogram the whole machine just the enhanced sounds...

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Re: 1270 mpu not working after varta battery removal
« Reply #13 on: January 04, 2023, 06:33:40 PM »
I got this one going for now...I believe I had a poor connection between the mpu and the backplane...
I was able to key it, change the printer settings and now it boots up and runs as it should...time will tell...lol

Offline Tater

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Re: 1270 mpu not working after varta battery removal
« Reply #14 on: January 04, 2023, 06:41:33 PM »
That's Great, Papa!

I have two 1270s running without the Varta, it is definitely not needed.

Coin battery is for board settings, and I have replaced it without having to re-setup.  Varta is for Casino Security during a power off situation, and is not needed for home use.

Varta will leak and damage your board, it is not "if", it is "when".  Definitely not worth the risk to me.

Lookes did the work, ask him to confirm.

Tater

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Re: 1270 mpu not working after varta battery removal
« Reply #15 on: January 04, 2023, 10:16:46 PM »
Rpowell18    I have never had to reprogram the whole machine due to a battery change, and I don't have Varta batteries on any of mine. That includes 1270 boards.

 

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