Strikers 1945 2 buzzing sound
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Strikers 1945 2 buzzing sound
Any anyone tell me what cap is missing here?(bottom left, its C13) It's hard to tell from internet pics so if someone could look at their board and let me know that would be awesome I have all sound effects but music is just buzzing, definitely related to my missing cap in the sound area
Last edited by Hrvat9 on August 22nd, 2017, 2:15 am, edited 1 time in total.
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Re: Strikers 1945 2 missing big cap
Finally found a pic, 25v 2200uf at c13. Can anyone confirm these values?
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- invzim
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Re: Strikers 1945 2 missing big cap
I got a Strikers 1945 III, essentially the same, and it has a cap with specs:
2200uF 25V , 85 degrees C, diameter is about 16.5mm and height 25mm. For posterity, the manufacturer is TOSHIN KOGYO (TK).
You can replace it with a part that has higher temperature and voltage rating.
2200uF 25V , 85 degrees C, diameter is about 16.5mm and height 25mm. For posterity, the manufacturer is TOSHIN KOGYO (TK).
You can replace it with a part that has higher temperature and voltage rating.
I make and sell cool Arcade stuff, check out https://irkenlabs.com/ - In The Name of Science!
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Re: Strikers 1945 2 missing big cap
Thank you for that :):) time to cap this suckerinvzim wrote:I got a Strikers 1945 III, essentially the same, and it has a cap with specs:
2200uF 25V , 85 degrees C, diameter is about 16.5mm and height 25mm. For posterity, the manufacturer is TOSHIN KOGYO (TK).
You can replace it with a part that has higher temperature and voltage rating.
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- AeroCityMayor
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Re: Strikers 1945 2 missing big cap
Sorry for the necrobump but I'm posting more for future searchers
That is in fact the correct cap but it doesn't really do a great deal. I have never seen on actually fully connected/soldered into position on any of my Psikyo pcbs.
HTH
Cheers,
Ralph.
That is in fact the correct cap but it doesn't really do a great deal. I have never seen on actually fully connected/soldered into position on any of my Psikyo pcbs.
HTH
Cheers,
Ralph.
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Re: Strikers 1945 2 missing big cap
Really? My game would just hum and buzz before I put that cap in. The sound is super low now, still hums and the amp gets really hot but I at least hear the game play music and sound effects so hopefully a recap in the sound section will fix it. Or is something else making the amp heat up like that ?AeroCityMayor wrote:Sorry for the necrobump but I'm posting more for future searchers
That is in fact the correct cap but it doesn't really do a great deal. I have never seen on actually fully connected/soldered into position on any of my Psikyo pcbs.
HTH
Cheers,
Ralph.
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Re: Strikers 1945 2 missing big cap
the amp gets hot when there is oscillation. this is often due to bad caps or bad solders
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Re: Strikers 1945 2 missing big cap
Perfect thAnks for the answer:). Got the caps today. First thing tomorrow they're going inneocps1 wrote:the amp gets hot when there is oscillation. this is often due to bad caps or bad solders
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Re: Strikers 1945 2 missing big cap
hope you can fix it !
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Re: Strikers 1945 2 missing big cap
Finally got to this, changed the caps and still annoying buzzing game music and sound effects playing , amp still gets hot
Reflowed some of the chips in the sound area and still buzzing, hot amp
What do I do ?
Reflowed some of the chips in the sound area and still buzzing, hot amp
What do I do ?
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- JackieHarris
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Re: Strikers 1945 2 buzzing sound
I don't have a solution, but this might be of interest: I had the same issue with a Strikers 1945 II board - buzzing, distorted sound - and VectorGlow replaced all the electrolytic caps and the sound amp, and it STILL didn't fix the problem!
The only other possibilities were replacing the op amp or the Yamaha sound chip, but the only place known to source them would be from another Strikers board! So we gave up at that point.
I hope you find the answer! Please tell me if you do
The only other possibilities were replacing the op amp or the Yamaha sound chip, but the only place known to source them would be from another Strikers board! So we gave up at that point.
I hope you find the answer! Please tell me if you do
- Sunder
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Re: Strikers 1945 2 buzzing sound
hey can you post a picture of the board again? Both solder and component side, high res. Let me try and help here.
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Re: Strikers 1945 2 buzzing sound
Will do!Sunder wrote:hey can you post a picture of the board again? Both solder and component side, high res. Let me try and help here.
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- Sunder
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Re: Strikers 1945 2 buzzing sound
Yeah, let me know. I seriously would like to help here, sounds actually like some simple termination or short issues. Op amp going hot is a big indicator. Even if the Op amp needs replacing you can usually just bypass that and find another solution for that.
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Re: Strikers 1945 2 buzzing sound
Sunder wrote:Yeah, let me know. I seriously would like to help here, sounds actually like some simple termination or short issues. Op amp going hot is a big indicator. Even if the Op amp needs replacing you can usually just bypass that and find another solution for that.
Finally dug this out of storage , Here you go
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Re: Strikers 1945 2 buzzing sound
Pic 2
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Re: Strikers 1945 2 buzzing sound
Don't these Psikyo boards almost always have a little buzz?
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Re: Strikers 1945 2 buzzing sound
Yeah they do, but he mentioned it being buzzy music.
Hrvat9, I can't tell much with those close up pictures, would probably need a high res of the whole board.
Hrvat9, I can't tell much with those close up pictures, would probably need a high res of the whole board.
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Re: Strikers 1945 2 buzzing sound
Okay I’ll get one for you tomorrowSunder wrote:Yeah they do, but he mentioned it being buzzy music.
Hrvat9, I can't tell much with those close up pictures, would probably need a high res of the whole board.
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Re: Strikers 1945 2 buzzing sound
Got this sucker back out of storage and time to tackle this sound issue!
Game still runs mint , buzzing still going on. Amp is stinking hot. I touched other chips to see if anything else is hot and we got 3 more; psikyo big chip , the square chip at the bottom left and the clock signal chip is somewhat hot too. Circled them. Any clues ? Also recapped the sound area way back when
Game still runs mint , buzzing still going on. Amp is stinking hot. I touched other chips to see if anything else is hot and we got 3 more; psikyo big chip , the square chip at the bottom left and the clock signal chip is somewhat hot too. Circled them. Any clues ? Also recapped the sound area way back when
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