Picked up an EBD last night with no sound. Purchased a CAP kit but upon looking into it more I have NO lED light on or flashing when the game boots. repined J1 and TP2 has .5 not 5 VDC (this looks to be GI power) however I have GI lights in the head. Im stumped.

Anyone?

Thanks John! We did do the CAP Kit however as expected, no LED light. It has to be related to the .5 VDC instead of 5 VDC.

you da man Brian! thanks! You were gonna me be my call for help tomorrow

Got the Voice working now and some noises gonna mess with it some more. Thanks again buddy!

We are out of energy to continue tonight. 6:10PM-5:30AM and we have A LOT MORE TO DO!

I have narrowed my problem down to the J3 connector on the driver board. Trying to figure out what wire on J3 is powering the S&T board? I don't seem to understand the schematics. I ordered replacement connectors from Great Plains however the site is closed until later this week. Just trying to find some answers so I can ensure my S&T board is working correctly. When I fiddle with the wires I can get it to work with sound and voice. I don't however have any background music.

Any help would be greatly appreciated.

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I know mine lies in the connector from the Driver board as I mess with the wires I can get it to work. I just am having trouble tracing what wire is powering the S&T board.

thanks for the replies.

No flashes unless I mess with the connectors on driver board. Does do 5 flashes when I have power.

I will check that, I haven't messed with any of those settings yet. It does power off the S&T board completely and back on when I continue messing with it.

Thanks so much! I will start with them. I don't believe its from the cab as when I mess with the connector on the Driver board is when I can get it to work

We eliminated the connector and still have no power on the S&T board. We have no voltage on TP2 on the S&T board.

This is what we have when testing the connector on J1 S&T:
A3J3-5 TO S&TJ1-9 (44 vdc)
A3J3-16 TO S&TJ1-5 (5 vdc)
A3J3-20 TO S&TJ1-6 (.05 vdc)
A3J3-23 TO S&TJ1-15 (-08 vdc)

Well after having the game on for a few all the inserts stopped working, no power to displays, and now nothing works. I am beginning to hate this old game.

I did notice when I turn on the game the scores and inserts do briefly come on.

Sorry, bad choice of wording. We were able to replace the connector. We took pictures of the existing and also followed the manual. It was late last night. I was trying to say we eliminated the problem lol

when I get home I can get pics. when you turn on the game I see the orange on the displays at the bottom of the displays and then the digits and the inserts briefly come on and the drops no longer reset when power up.

A3J3 Wire Colors. Im starting to wonder if this was done incorrectly or not. in the manual I have things where there are not supposed to be things and its confusing me. Just wondering if you guys also agree?

J3 Pinout
1- empty
2- KEY
3- Brown
4- empty
5- Brown
6- Brown Green
7- empty
8- red
9- empty
10- empty
11- red green
12- empty
13- black jumper to 25
14- brown brown
15- brown green
16- black green
17- green white
18- brown green
19- black red
20- dark brown
21- brown green
22- black green
23- red orange
24-brown red
25- black jumper to 13

I really really appreciate the input and help you have been giving me. I don't typically work on older games but its been fun to be honest and definitely frustrating at times. Thank you again so much! I know the customers that will get to enjoy this pinball will be really thankful it all works

I'll get my Multimeter tonight when I go up to my location and grab it. I forgot it in my Star Trek Pro.

Thanks again,

Tony

I did check the fuses. I was thinking it was a waste of time because I see power on the MPU board as it boots and the insert lights do flash briefly when powered on. I am going to test that again. It was late last night trying to do this and go to work every day

no fuses blown.

Where is the lamp on the SEB board? I don't see any lights on it. I get the displays and the inserts to flash for a half second during boot up.

on the MPU board I'm getting 1 flash right when I turn on and then 5 flashes.

Ok heres what I got today. I replaced the MPU and Driver Board. Game plays great again with the exception of no sound. No LED on sound board. Once I get the game fully working I am going to start working on the other boards. Everything is working great but no LED on sound board. I have replaced all the CAPS on the S&T board.

On the replacement Alltek Driver board I installed today I noticed the +43VDC is not lit. I checked all the fuses and they are all good. Everything is working fine except no lit on the driver board and no sound LED.

If I pull the F4 fuse the game doesn't boot at all. Im just confused now It appears I must be getting voltage but I'm not get 8 flashes on the Alltek board MPU or the LED on the driver for +43. Still not sure how its related to the sound board that doesn't work or have any LED light on at all.

Ok, after a nightmare of connectors I found out the problem. the +42 is weird. I do have it the light is just not on. the TP shows the correct voltage. As for the S&T board. its the connector. I redid a few of them and its working now. Just need to find out what those molex connectors are called. The wires pass through there not terminate there.

Well I'm back at it again tonight. Literally the eve of my kiss launch party and sound is completely dead again.

Brand new mpu
Brand new Driver
Brand new lamp board
Brand new connectors.
Capped the S&T board.
Led light will not light. Everything else 100%. I cannot believe how frustrating this old game has been for me

Does anyone have any suggestions? Doesn't seem like they remake this S&T board.

That can affect the led at startup?