Tekken Tag monitor issues

lyo1984

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Ok so I pulled my TEKKEN TAG to start fixing up and go to turn it on and nothing.I made sure the Jamma Harness is snug took it off and on a couple of times,wiggled around some wires no luck.Had my brother test the power supply voltage 12 volts where 12 needs to be, 5 volts where 5 needs to be,and -4.68 where -5 needs to be.My brother said this slight difference on the negative shouldnt be an issue.Is he correct?He checked to ground to monitor he said thats good.I have all the joysticks and button stuff disconnected from the PCB.When you have game on black screen or light gray if the brightness is turned way up is present no flickering nothing.During ON, you flip the credit switch you hear sound of credit being accepted.Waited about 5 minutes with nothing doing.When you turn off the power switch on top of cabinet you see the picture tube look like a OLD School TV from the 50's or 60's go from white box to smaller white box to smaller so on all the way til you get tiny white dot to the tiny tiny white dot in middle of screen to nothing BLACK.One thing I kinda noticed is from what I remember the power supply fan seems quiter and less speed.I remember this being faster and kinda loud B4.Dont know for sure but seems like it slower.What steps would you suggest taking from this point.I could take this PCB to my other cabinet but it runs standard resolution (SVC Chaos) in a Atari Legacy cabinet and have been told by the KLOV that TEKKEN TAG PCB is supposed to run on Medium Resolution Monitor.Is there any harm to switching these to test?Will it blow up something and make a big cloud of smoke !PooF!Is there a direction I should start from and to where?Any help would be great as I am trying to fix this baby up and sell before my GF makes me move to couch.3 arcade cabs in living room make for angry gf.I will post a video tonite of machine and as much inside cabinet and such but lighting is bad in there to see much.
TTYL,
Matt
 

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Swapping boards will not harm your system or board. I'd suggest you start by installing a cap kit on the monitor chassis and proceed from there.
 
Ok

So I take it this is a misprint from KLOV?
Manufacturer: Namco
Year: 1999
Class: Wide Release
Genre: Fighting
Type: Videogame

Monitor:

* Orientation: Horizontal
* Type: Raster: Medium Resolution <<<<<<<<<<<<<<----------------------
* CRT: Color

Conversion Class: unique
Number of Simultaneous Players: 2
Maximum number of Players: 2
Gameplay: Competitive
Control Panel Layout: Multiple Player
Controls:

* Joystick: 8-way
* Buttons: 5 [Low Punch|High Punch|High Kick|Low Kick|Tag]

Sound: Amplified Stereo (two channel)
If this is a misprint IM surely glad as this would allow me to put the 48-1 or 60-1 in here.
Wooh Hoooo!!!!
 
Any others opinions

Is a cap kit necessary?And if so is Bob Roberts the man to order from.What does he need serial numbers from?It was left in my porch for a couple months and it did get a little chilly is this possibly a cause?Was reading a little hear and heard corrosion and condensation could cause intermittent problems.Thanks,
Matt
 
I am still not convinced that Tekken Tag is not med res, but it doesn't matter at this point. You need to clean your conectors and make sure everything is seated properly. I'd swap the Chaos board to the Tekken cab and see if a picture comes up. It sounds like the monitor is powering on but it is not getting a signal from the board. If the Chaos board creates a picture then swap the Tekken board to the Chaos cab and see what you get.

Bob will need to know the chassis model in order to ensure you get the right kit. Compare what you have with the pics on this page in order to identify:
http://www.therealbobroberts.net/monitor.html

Finall, KLOV has a some erroneous info on it. It is slowly getting upgraded. It is always a good ide to consult the manual for any game you have questions on instead of KLOV. Many manuals can be found online, her is one site with a ton of manuals:
http://arcarc.xmission.com/
 
Tekken 3 and Tekken Tag are standard resolution games. I can attest to such, because my infamous Hantarex Polo was the monitor I used with them.

your problem sounds like it's caps or I'd venture to say more-so cold solder related. post a vid of it, I have a splitting headache right now and it's just sounding like a cold solder issue on the chassis. also see if you can get a model # on it... the resident monitor geniuses can help better. :)
 
Swapped out boards today

Switched boards today and heres my results.
Tekken board gave audio but still didnt give picture in the Atari cab with SvC in it and when I put in the SVC pcb it gave me a clear picture in the Tekken cab with audio.So this means theres an issue with the video component at the circuit board level correct?Is this a cap or what else could it be? I have included a pic showing the board and I wanna point to a additional harness that the Tekken uses that SvC doesnt have what is this smaller blue harness for as I cant recall what exactlly this was hooked up to.I guess next time I learn to take alot of picture and write down what A,B,C,D each mean and hook to.Can anyone point me in the right direction here?Is there a cap kit from Bob Roberts for boards?Once again thanks to everyone on here you guys are a godsend to noobs like myself that know to little about electronics to tackle such projects alone.
Matt
 
heres some of the pics more to come in a minute

See I did at least label A,B,C,D on some things
 

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Here the rest

Part two to the rest of the pics
 

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the blue harness is a Namco auxiliary harness for extra inputs/outputs on various Namco boards. in this particular application though, it's the "kick" harness for the Tekken/Soul Edge/Soul Calibur series fighting games.

since you didn't know this, I'll explain further. the JAMMA harness (the larger black one, you should know this) adheres to a standard in which it supports 2 players, with 1 start button, the 4 directional switches for the joystick, and 3 fire buttons for each player. SOME manufacturers utilized 2 empty pins below the 3rd fire buttons to allow for 4 fire buttons, but this isn't a JAMMA standard pinout.

Tekken Tag Tournament, as you're well aware, has 5 buttons per player: the upper attacks, the tag button, and the lower attacks. the upper attacks and the tag button use the 3 JAMMA inputs, the lower kick buttons wire up to the little blue harness.

I have another Tekken Tag board with an input problem, the right direction for P1 and one of the kick buttons "stick", I think one of the input drivers is bad on it. I wish there was more information about these boards, they're very sophisticated Japanese designs with a lot of surface mount chips and such... nobody seemed to care about when I posted my problem, I guess cause it's a "shitty JAMMA game".
 
Thanks

That will def. help me out when I go to wire it back up.If I cant get the Tekken Tag board to work I think it would be cheaper to just buy a used working one correct 50 bucks seem doable correct.Was also think of just getting a SF2 or MK2 board as I prefer these to Tekken or VF I'm more into the 2d fighting games.
 
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