What's new
By:
Filters

my capcom cps1 32n1

Also does your custom main rom board C flex when you seat them @ekorz ? It looks like a design flaw it arches ever so slightly and that in no way can be good for the SMD.

Also the Q Sound board is not stock - that is it is modified with a few legs pulled up and a few roms removed with modified custom flash chips possibly because the Q-Sound board need to change the music every time a game is changed. So I doubt you can just change the multi C ROM board for a stock C rom board.

Runs stock A board without the audio section stripped out.

I will add photos in a couple of days.
 
Last edited:
suverman said:
Also does your custom main rom board C flex when you seat them @ekorz ? It looks like a design flaw it arches ever so slightly and that in no way can be good for the SMD.

Also the Q Sound board is not stock - that is it is modified with a few legs pulled up and a few roms removed with modified custom flash chips possibly because the Q-Sound board need to change the music every time a game is changed. So I doubt you can just change the multi C ROM board for a stock C rom board.

Runs stock A board without the audio section stripped out.

I will add photos in a couple of days.
Click to expand...
Thanks for taking one for the team and buying a couple of these. I was close to having my China procurement friends get some for me.
Kinda glad I held off.
 
These are the photos of the defective board I got.

I have another board working flawlessly and another of my mate got two other which are all running fine - so I am not saying that these boards are bad - my defective board could very well have been damaged in transit.

This is the photo where the C board custom ROM board seems to have arched a bit:
https://drive.google.com/open?id=1PkAXYYxw1zUPrj-j86ESwdTYayEVt86n

Wires running between C board and B (Qsound) board
https://drive.google.com/open?id=1ScGUszsSLSejKyE5JraSSBap8X0oy0kG

Qsound board looks customised for ths multi and not sure if it can be used for any other application without modifying it.
https://drive.google.com/open?id=15GVojtYue0PzcXMNxzHJhHkgmo1JlKFx

Closeups of the Qsound board:
https://drive.google.com/open?id=1ea5GOf6LL_K0Ga0b4RJjO6ZH8gwH5-Hf
https://drive.google.com/open?id=1ssdAxkwG23rDVXHPZPhnZefIkTpslvLz
https://drive.google.com/open?id=1Kf-wattJYrFsUtLtoe5B-uK--gvLElEe

I will share the video of the issue with lydz to see if it can be resolved easily in some time.
 
Darksoft said:
Not the best soldering work if I may say...
Click to expand...
Yes the other board had a wire to the C board loose, I soldered it myself - it was still working before I soldered it though so not sure what the wire did.
 
Last edited:
suverman said:
Also does your custom main rom board C flex when you seat them @ekorz ? It looks like a design flaw it arches ever so slightly and that in no way can be good for the SMD.

Also the Q Sound board is not stock - that is it is modified with a few legs pulled up and a few roms removed with modified custom flash chips possibly because the Q-Sound board need to change the music every time a game is changed. So I doubt you can just change the multi C ROM board for a stock C rom board.

Runs stock A board without the audio section stripped out.

I will add photos in a couple of days.
Click to expand...
I’ve been out of town but I’ll take some photos soon. I do recall my C didn’t seat perfectly either, but it works at least.

Considering the A audio section is stripped out, I wonder if my volume issues are related to my -5v instead. I have a negatron on my blast. Maybe it’s not enough? @suverman Does your B board sound pot adjust volume still?
 
The A board on 1.5 isn't populated with audio because it goes through the Q Sound board.

The pot should work though, that pot is adjustable from the top of the case. I'm not sure if it only affects the volume on RCA line output though

-5 isn't required so that shouldn't be the issue
 
Cool I’ll have to check the rca out. On the jamma edge I haven’t figured out how to raise the volume at all. It’s my first cps1.5 setup so certainly could just be user error
 
I’ll see if I can get to mine today and plug it in and check - it’s stored in a box underneath my box of Neo and Atomiswave stuff and a box of scrap boards so it’s a bit of a mission :P
 
Cool. I saw stereo/mono in the test menus and there was an area to adjust stereo balance. Maybe it’s in the test mode but I just missed it. Neither pot on the pcb (a/b boards) did the trick. I thought maybe it’s already at max and weak -5v was it. I’d recap but I’m not sure what’s driving the audio in the first place! Should be home tomorrow and will give it another go.
 
ekorz said:
Cool I’ll have to check the rca out. On the jamma edge I haven’t figured out how to raise the volume at all. It’s my first cps1.5 setup so certainly could just be user error
Click to expand...
Are you running this in a cab? On my NAC there is also a volume knob on the PSU for adjustment.
 
Yep, on my blast. I can crank the blast’s amp if I need to, but i really shouldn’t need to.
 
Ok I whipped it out for @ekorz ;)

I have mine set to mono and the volume knob on the case does operate the volume. The knob on the case is in the centre, so if there’s more than one it’s the one in the middle at the front of the board.

I’ll leave it out for now so further tests can be done if need be
 
ekorz said:
Considering the A audio section is stripped out, I wonder if my volume issues are related to my -5v instead. I have a negatron on my blast. Maybe it’s not enough? @suverman Does your B board sound pot adjust volume still?
Click to expand...
I dont use a cabinate but route the audio to my Mackie CR5BT monitors using the RCA. I do recall having to crank up the volume on the speakers. I shall recheck if the Q Sound pot affects the sound output on lydz's board tomorrow and let you know.
 
xodaraP said:
Ok I whipped it out for @ekorz ;)
Click to expand...
careful with that thing...

@xodaraP you’re right, -5v doesn’t seem required. I recall it was on some instruction manual somewhere but I must be mistaken. It boots and plays without it.

@suverman I took some photos of mine. The connectors were soldered on a bit separated from the c board (q sound board?) and I might redo those at some point. That might actually be helping mine to not flex as much!

But no matter what menu setting, mono or stereo, rca or jamma edge, I get no volume adjustment. Neither the q sound pot nor the A board pot do anything. The Q sound one will fuzz a little bit as I rotate it. I took a close up of that specifically since a few components look removed. I’ll look over your photos too @suverman, just ran out of time tonight. Maybe it’s just the pot. Maybe it’s something else. It’s at least an OK level of sound that it is stuck at!

https://imgur.com/a/5LbYdzF
 
Have you tried using a multi-meter to see if the pots change resistance at all?
 
ekorz said:
But no matter what menu setting, mono or stereo, rca or jamma edge, I get no volume adjustment. Neither the q sound pot nor the A board pot do anything. The Q sound one will fuzz a little bit as I rotate it. I took a close up of that specifically since a few components look removed. I’ll look over your photos too @suverman, just ran out of time tonight. Maybe it’s just the pot. Maybe it’s something else. It’s at least an OK level of sound that it is stuck at!

https://imgur.com/a/5LbYdzF
Click to expand...
I and my mate have 4 between us (3 working) can confirm non of our volume pots are working. Infact the RCA audio output seems to be absent if connected to a Yamaha HS8 or my Mackie CR5BT. My system configuration audio is set to Q sound. The amp on the Q sound board doesn't even seem to get warm - is it even working? @'lydz can you help?
 
Last edited:
You must log in or register to reply here.
Back
Top