Dragon's Lair Fans - Arcade Lifestyle
General Chat => Technical Area => Topic started by: gyruss on July 22, 2013, 04:42:26 PM
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So i picked up this Xevious last Saturday. It's in pretty decent shape and fully complete. The only problem is that the game won't startup..
The monitor and the Marque both work, but there's nothing on the screen and and no sound can be heard.
So i think there is a problem with the pcb or the power supply? you guys told me to always check the voltage on the pcb first..
But............ i'm not actually sure which pcb (Atari or Namco) it is, i checked the pinouts on klov but they are probably for the atari version...
I guess i got the namco one because the 3 pin connector is the same as Galaga? And does this also mean that the middle pin is the ground, the orange 12v and the red 5v?
Would be cool to get this baby running before Eurocade! :D
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6354.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6354.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6355.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6355.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6356.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6356.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6371.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6371.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6357.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6357.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6365.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6365.jpg.html)
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6359.jpg) (http://s1069.photobucket.com/user/Gyruss99/media/IMAG6359.jpg.html)
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i would start at the AR2 board, thats that smaller pcb in the bottom with the huge heatsink
Measure first before the board (comming from the transformer) and then after.
If you don't got juice at the transformer side, you may want to check the fuses at the PSU
if still no power from the transformer, you may have a bad transformer
If you got juice from the transformer, measure the output of the AR2 board.
If not, you may need to rebuild the AR2
If you have juice there, work your way up to the boardset
This plug looks like a power plug, and my guess is that the middle (black) is ground, so measure those two colored wires with the red lead on the DVM and use the black on the middle wire
(http://i1069.photobucket.com/albums/u471/Gyruss99/IMAG6359.jpg)
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Oh and while hunting for more info, i found maybe something usefull:
below is a list of which games used what revision boards, its not complete, but
what i've been able to ascertain :
A034485-01 - Asteroids, Asteroids Deluxe, Lunar Lander, Football (4 Player)
A035435-01 - Atari board versions of Xevious, Pole Position I + II, DigDug
A035435-02 - Battlezone, Centipede, Crystal Castles, Liberator, Quantum, Red Baron, Star Wars, Tempest, Warlords, Return Of The Jedi, Arabian, Black Widow, Major Havoc
A035435-03 - Missile Command, Monte Carlo
A035435-04 - Gravitar, Millipede, Space Duel
A035435-05 - Namco Board versions of Pole Position I + II, Xevious, DigDug
A035435-06 - Kangaroo
source:
http://www.andysarcade.net/personal/tech/AR2sense.txt (http://www.andysarcade.net/personal/tech/AR2sense.txt)
I interpret that as if your AR2 is A035435-01, then you have a Atari board version of Xevious.
If you have A035435-05, you have a Namco board version of Xevious.
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Yes namco version
What do you Measure now on the connector (midle = ground)
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Oh, and before i forget, is that blue jumper wire at the PSU labeled (wired) for 240 volts ?
I see a brown one in there too, but i dont know the color standard they used..
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thanks guys, as always really helpful. :D
Yes namco version
What do you Measure now on the connector (midle = ground)
14.5 orange
0.05 Red
So the 5v. is dead?
Oh, and before i forget, is that blue jumper wire at the PSU labeled (wired) for 240 volts ?
I see a brown one in there too, but i dont know the color standard they used..
Don't know, there's no label on it, but the previous owner said the cab was working for a few years, he's even less technical skilled then me, so he didn't do anything with it (so he says).
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Yes fix the 5 volt and you have a working game :D
You can test the pcb in your galaga cab ;)
thanks guys, as always really helpful. :D
Yes namco version
What do you Measure now on the connector (midle = ground)
14.5 orange
0.05 Red
So the 5v. is dead?
Oh, and before i forget, is that blue jumper wire at the PSU labeled (wired) for 240 volts ?
I see a brown one in there too, but i dont know the color standard they used..
Don't know, there's no label on it, but the previous owner said the cab was working for a few years, he's even less technical skilled then me, so he didn't do anything with it (so he says).
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Okay, so the problem is the power supply? I read something about the big blue... could that be it?
The galaga is already in storage at Beeld en Geluid for Eurocade@the Retro Game Experience, but i'll see what i can do..
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start with the instructions as above, see if you got 5V at the AR2, i bet it needs a rebuild.
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No i don't think it is the big blue
Check / clean first the connectors and fuse holders
Measure also the fusses if the good
Look at the solderpoint if the ok on the power pcb
I think it is a lidle problem
Okay, so the problem is the power supply? I read something about the big blue... could that be it?
The galaga is already in storage at Beeld en Geluid for Eurocade@the Retro Game Experience, but i'll see what i can do..
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Yes, check that first, then check the 5volt test pin on the AR2 (pin 5&6 on connector J7, see pic)
I think if you dont have 5V at the AR2, then maybe the 3055 is blown (Q3) or the 10.3 volts unregulated has a problem, test that also (there should be a test point for that. if you have 10,3 there, your transformer is good
read this totally ;) http://www.andysarcade.net/personal/tech/AR2sense.txt
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okay guys, i'll follow your steps and read Andy's tutorial.
Thanks for the help, i'll report back soon.. :D
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great to see this support: hopefully we can play it at eurocade
[Hijack]
speaking of that: My Hyper Olympic will arrive at my place this week:) If I can fit two cabs, I'll bring it.
[/Hijack]
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great to see this support: hopefully we can play it at eurocade
[Hijack]
speaking of that: My Hyper Olympic will arrive at my place this week:) If I can fit two cabs, I'll bring it.
[/Hijack]
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;D ;D
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AR-II is fixed. Again a dead 2N3055. Judging from the color of the heatsink (was originally black, going towards metal color now) it gets pretty hot on this game and I can imagine because Xevious looks to have many bigger chips than f.i. Centipede so I'm pretty sure it uses more current.
Checked R29 and R30, both nice 10 Ohms.
All caps checked with ESR tester => fine. Didn't check the sound section but these rarely go bad.
I'll return it ASAP ;)
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Thanks again for your help André!
I installed the AR-II yesterday but the problem remains:
The light in the marque is working, the monitor is working, but i can't see the game, can't hear any sound when i insert a credit and also the player 1 and 2 buttons don't light up..
I tried installing the bootleg pcb but that one is jamma.. So what could be the problem? Is it the pcb?
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First check all the fuses on the power-brick.
Then check all the voltages from the power-brick, especially 10,3V.
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SOOOOOOOOOO, how are the fuses Pieter ?? ?? ?? ??
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blown ? ::)
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The fuses are all okay. :(
Before i can check the voltages, i need to know which is the 10v, ground etc. and the manual isn't helping with that:
http://www.arcade-museum.com/manuals-videogames/X/Xevious%20Operators%20Manual%20%20TM230%201st%20Printing.pdf
So in other words, i need the xevious power supply schematics and i can't find any online
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http://arcarc.xmission.com/PDF_Arcade_Atari_Kee/Xevious/
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The fuses are all okay. :(
Also the main one ? That is the main fuse that is in the surface of the brick, you need to unscrew the black cap.