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(Topic ID: 178164)

Display needed for Alley Cats

By GPS

7 years ago

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17 posts
3 Pinsiders participating
Latest reply 7 years ago by GPS
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#1 7 years ago

GPS

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11y 97,300 2,999

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Parts - wanted

Display needed for Alley Cats

Added: 2017-01-11 03:11:41 UTC • Ended: January 16th, 2017

Price

Wanted

Hello All

I am in need of a display for my Alley Cats game. Noticed the other day that one of the segments has failed in one of the displays. Think these are HV units. Don't really want to replace all with Pinscore ones. Any help most appreciated. Thanks guys

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Mentor, OH, US

#2 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

That is not a problem with the display. Its a board problem.

#3 7 years ago

OKA

Okarcades

Pinside member

Mitchell, SD

9y 73,400 826 5

I agree with grumpy. You might be able to just reflow some solder or replace a resistor and be good. Display looks nice.

#4 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

GPS do you have a logic probe? This maybe a resistor network going bad.

#5 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Sorry for the long delay in getting back. No I do not have a logic probe. Happy to obtain one though. Are you thinking it isnin the board the the ribbon cable from the display plugs into? I recently had the main board serviced and thatvshoikd be ok

Thank you all

#6 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

OP
Quoted from GPS:
No I do not have a logic probe

I think everyone that's wants to do repairs should have one.

OP
Quoted from GPS:I recently had the main board serviced and thatvshoikd be ok

Things break...... what can you do. This problem is either CPU, ribbon cable or display driver board. You could move the display to a different position, for example swap player 3 ribbon cable with player 4 ribbon cable. Do the cable swap at the display driver board. If the ribbon cable is bad the problem will not move, but if the problem moves to the other display then its the display board or the CPU board. When you get a logic probe this will only take a few minutes to troubleshoot. I can't find a diagram for this, is this a system 11?

#7 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Yes grumpy. It is a system 11. Doing the quick cable swap now. Standby

#8 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

Does this have six players? Does player 1 and 2 have alphanumeric displays or are all the display seven segment?

#9 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

When I swap on the display bird the ribbon cables for player 4 and 6 he problem display remains #4. The bird number is D-10749.

#10 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Here a the scheme of that board

image (resized).jpg

#11 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

OP
Quoted from GPS:
he problem display remains #4

This sounds like the ribbon cable is bad.

#12 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

If it was a display board issue when I switched the player four and player 6 ribbon connectors at the display board it should have followed the switch and player 6 display should have exhibited the same issue but it did not

#13 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Ok what I just did was to swap ribbon cables from display 4 and connect it to display 2. The problem dis not follow to display 2. I did this right at the displays. I also found that is I gently tap on the glass display that is having issues I can get those segments to light up. Hmmm. Cold solder joints maybe. Reflow in order??

#14 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Pushing on the actual display also results in the segments momentarily returning. A reflow is in order I believe

#15 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

OP
Quoted from GPS:
Cold solder joints maybe. Reflow in order?

Yep.

#16 7 years ago

DEC

GRUMPY

Pinside member

10y 95,050 8,698

It should be pin 20 on the display.

#17 7 years ago

GPS

Pinside+ Frequent

11y 97,300 2,999

Thanks so much grump. Appreciate the assist.

George

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