Search found 893 matches

by MADrigal
Sat Jan 22, 2022 11:51 pm
Forum: Hardware
Topic: I think my Japanese PSU is bad?
Replies: 20
Views: 145

Re: I think my Japanese PSU is bad?

Scouter3d wrote:
Sat Jan 22, 2022 2:40 pm
Hi,

could you please measure the voltage between the two left most pins (16, 16) that may be 16V AC...

Cheers, TOM:0)
I understood that he had tested pins 1-2 and 3-4 as DC but got zero on all. Is this correct?
by MADrigal
Sat Jan 22, 2022 1:42 pm
Forum: Hardware
Topic: I think my Japanese PSU is bad?
Replies: 20
Views: 145

Re: I think my Japanese PSU is bad?

Your PSU contains one AC-AC transformer with 2 outputs (or 2 distinct AC-AC transformers) and then a 'signal rectifier' that could be either made of diodes, or transistors that 'rectify' the AC into DC. With the 'rectifier' being faulty, I speculate that some of the signal passes as unrectified. I h...
by MADrigal
Fri Jan 21, 2022 9:54 am
Forum: Introduce yourself!
Topic: Hello from Japan
Replies: 6
Views: 57

Re: Hello from Japan

If you could post a photo of the power supply sticker, the one showing the diagram of the plug, that would help. And I believe it says 'DC' instead of 'AC'.
by MADrigal
Thu Jan 20, 2022 9:47 am
Forum: Introduce yourself!
Topic: Hello from Japan
Replies: 6
Views: 57

Re: Hello from Japan

Very welcome Seth!
Problem is the NTSC Japanese CreatiVision uses 110V DC power. The unit does not have the signal 'rectifiers' (diodes).
So if Seth has a NTSC-J model, our standard diagrams won't work.
by MADrigal
Wed Jan 19, 2022 11:20 am
Forum: Off-topic
Topic: First Post for 2022
Replies: 4
Views: 134

Re: First Post for 2022

I plan to dump (or have someone help me doing it) the BIOS of the Colecovision/CreatiVision converter and share it with the community, and maybe write a MAME driver for it. Also, I still have plans to build an interface to make it useable on the CreatiVision MK2. And lastly I have plans to dump the ...
by MADrigal
Sat Dec 25, 2021 8:01 am
Forum: Hardware
Topic: Replacement Keyboard Project Update
Replies: 94
Views: 6537

Re: Replacement Keyboard Project Update

That's so good!!!!!
by MADrigal
Thu Dec 23, 2021 9:57 pm
Forum: Hardware
Topic: Replacement Keyboard Project Update
Replies: 94
Views: 6537

Re: Replacement Keyboard Project Update

You're very welcome! Happy happy Christmas to you my friend :)
by MADrigal
Thu Dec 23, 2021 9:22 pm
Forum: Hardware
Topic: Replacement Keyboard Project Update
Replies: 94
Views: 6537

Re: Replacement Keyboard Project Update

That's just amazing!!!!!!!!!!!!!!
I upgraded the resize to 1mb per file is that enough?
There is no "pixel size" limit actually...
by MADrigal
Fri Dec 17, 2021 1:56 pm
Forum: General CreatiVision forum
Topic: Dick Smith Wizzard TV ad
Replies: 3
Views: 175

Re: Dick Smith Wizzard TV ad

I had never seen it before so cool! I had seen other videos, never this one
Interestingly, the basic shows green screen and black text. Can't be true as we all know. It must have been a fake basic program there :)
by MADrigal
Sat Oct 30, 2021 11:08 pm
Forum: Hardware
Topic: Case for the Megacart
Replies: 30
Views: 1470

Re: Case for the Megacart

Hey I want royalties paid! :D