Search found 7 matches

by Toki
Wed May 16, 2018 10:33 am
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Yeah, I do have a multimeter.

I was going to have a look over the board at the weekend and get the multimeter on it to see if I could spot anything, but the battery has gone in the multimeter.

*sigh* nothing is ever simple!
by Toki
Thu May 10, 2018 8:10 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Hmmm... No luck with the new chip unfortunately.

Think I’ll have a careful look over the board this weekend for issues, and then I’ll have to get in touch with Zaxon.
by Toki
Mon May 07, 2018 8:57 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Yeah, no sound at all from that, until about 60 seconds in when I just got a loud blast of static.

I found an AY chip for £5, so I’ll see if that fixes anything when it arrives.

Will let you know the outcome, thanks for your help!
by Toki
Mon May 07, 2018 8:22 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Great, thank you. I already had to send my board off once as it wasn’t working when I first got it. It was quite costly and postage to France took an absolute age... So I think I’ll try and get hold of an AY chip from somewhere. I do have one in my Speccy +2, but unfortunately it’s not socketed and ...
by Toki
Mon May 07, 2018 7:06 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Hello I have two js128. My first has a green PCB and it is perfect. My second has yellow PCB and had an awful AY output. The problem was four resistors way out of spec. This is what Zaxon wrote to me. About Ay, check resistors 60,64,63 and 65 it is 4k7 ? Some time ago i wrong put res 470R in my sto...
by Toki
Mon May 07, 2018 7:03 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

Re: AY sound issue with Just Speccy 128k

Ast A. Moore wrote: Mon May 07, 2018 5:46 pm In 128 BASIC:

Code: Select all

PLAY "c","e","b"
This will fire all three AY tone generators at the same time.
No sound at all when I do this :(
by Toki
Mon May 07, 2018 4:13 pm
Forum: Hardware
Topic: AY sound issue with Just Speccy 128k
Replies: 11
Views: 3927

AY sound issue with Just Speccy 128k

Hello there! Bit of a long shot, but here goes... I bought one of Zaxon's Just Speccy 128k boards a couple of years ago, and have used it a fair few times for playing games. However, I've only just spotted an issue with it, in that there is no sound from the AY chip, and sometimes a little bit of di...