So i just signed to this forum hoping to get some help to fix a Funhouse pinball for a relative. Im confortable fixing real arcade hardware, i have even tried to fix some crts, and also succesfully converted a few tvs to rgb monitors, i have build some mame multigames, and even built me a digital pinbal. But i have never ever, ever tried to fix a real pinball. So yes, im starting blind, so far i have searched for some problems on this forums, and so far i found the manual and a couple of advices that im hopping to takle next time ill visit my relative. Anyway, mi visit started as he stated that the game was working but it had no sound. So searching in google, i came acroos as the most posible solution , that worked for almost anyone, was reaseting the roms and plugs. So i gave him a visit and found that the sound was not his only problem. Turns out another "technician" tried to fix it with no luck, but in the process, he damaged, what i call the dmd, or the score screen. My relative bought another one, but after fiiring up the game, the screen wont come up, but i think i allready have a solution for that, and if im not mistaken i have to switch the cable from j201 to j204. So ill try that next time. On the sound board, i would like to tackle that problem after having everything else fixed. What worries me first is that , when we turn the game on, and deposit a coin, the game starts to spit the ball, nothing wrong with that, but, if we launch the ball, the flippers wont work at all. But if i put the game in test mode, flippers work all right, and for that , i couldnt find any information in google or here.

So i was wondering if anyone here could help me takle that problem first. What should i look for, im totally lost.
Thanks in advance for any help.

Thanks for the link, but i read it a couple of times and couldnt find any helpfull information, i notice the pictures on the alphanumeric screens on this info use 2 ribbon cables, while both displays that my friend have, only use 1 ribbon cable (he have one broken display and a new one, so either they are not the originals or the game has been manipulated before he owned it.
Anyone has any idea on what to tackle on the flipper problem? They dont work in game mode, but they work fine in test mode..
Thanks alot for reading.

Update: Changing the alphanumeric harness from j201 to j204 made the display work. Then after a few hits, or a reset , now the game plays and the flippers work. I discovered that theres no continuity on all 3 speakers, so that might be the problem with the sound. I will need to trace why the speakers loose continuity and hopefully fix the sound.

Update#2: After looking at pictures from the internet, i realize we have the speaker not wired to where they should, tomorrow i will attempt to wire them correctly, and see if the problem persist.

Update#3, No one seems to care here, but ill keep posting anyway, maybe in the future someone will find this helpfull.
So after fiting the cables in the sound board where they should be, we had no sound, so theres alot of burn where the amp cirquit goes, the l something, thats is atached to the heat sink, lucky for us, i can get it localy so tomorrow ill go buy it and will test after puting everything together. In the meant time, i thought the game played normally but i notice that when starting a game the game spits all the balls one by one. So theres something funky going on there. If anyone is reading and can help, i would really apreciate the advice, thanks alot.

Thanks ill check on that tomorrow or the next time i visit the machine...in the mean time ive been doing my homework, looks like most audio problems are soved by replacing u9 on the board, wich i cant get locally so ill depend on ebay on this one. Ill keep updating, thanks again for your advice.

Bump,any advice on where to buy u9?

i will,thanks.

Anyway i just edited the title as i only need to fix the sound now. YAAAAYYYYY, after replacing the amp circuit, the one thats atached to the heat sink, seems like we have sound. But its not the sound we expected, plus the heatsink does not get too hot anymore, wich makes me think the old amp was bad indeed. Anyway, heres a short video showiing the sound we get. Plus i added a picture, to see if anyone its kind enough to tell me if the speaker are conected correctly. black cable its on the left and yellow and black cable is in the right. Thanks alo for any help provided.

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Bump, better video and better picture
Anyway i just edited the title as i only need to fix the sound now. YAAAAYYYYY, after replacing the amp circuit, the one thats atached to the heat sink, seems like we have sound. But its not the sound we expected, plus the heatsink does not get too hot anymore, wich makes me think the old amp was bad indeed. Anyway, heres a short video showiing the sound we get. Plus i added a picture, to see if anyone its kind enough to tell me if the speaker are conected correctly. black cable its on the left and yellow and black cable is in the right. Thanks alo for any help provided.

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No one?

Thanks i will and post results

Changing the cable around wont make any diference, in fact, disconecting the cabe, i still get the the craking noise, so maybe the card aint working. Here are a couple of images, hopefully someone spots something wrong, thanks in advance for any advice.

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Bump.... Still not working.

I have tried with the screw tighted , no diference, and for the capacitor at the speaker, as far as i know is normal, al 3 speakers work right, i even tried using a regular speaker by itself, same result. i took the board with a friend and he checked the capacitors for me, they all seem to be good. so im lost at the moment on what to check next.

all seem to be good

We tried conecting a single speaker from another source, to make sure it wasnt about the speaker, also we connected the game speakers to another source and they work just fine, so no problem on the speaker, i saw a couple of topics about this, and they all offer lots of diferent solutions, its there anyone that still fixes this boards?

all i have is a multi meter....no fancy equipment here. i do have som eexperienced friends on fixing car audio, like fixing a damaged amp or stereo, but they also don have that kind of equipment.

Bump, does anyone here fixes this boards?