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Search took 0.01 seconds. Search: Posts Made By: kinmami
Forum: Hardware mods 05 February 2023, 02:41
Replies: 208
Views: 48,949
Posted By kinmami
DB23 female connectors are available at...

DB23 female connectors are available at https://shareconn.aliexpress.com/store/1102063255?spm=a2g0o.detail.1000007.1.13df5ecbuQuVyp
Forum: Hardware mods 26 January 2023, 23:46
Replies: 208
Views: 48,949
Posted By kinmami
The cost of materials (pricelists from Digikey,...

The cost of materials (pricelists from Digikey, RS or Mouser) and PCB standard manufacturing from HK/China are cheap.

I have never spent more than 2,500 yen (~18 EUR) in total to make a single...
Forum: Hardware mods 26 January 2023, 02:24
Replies: 463
Views: 689,909
Posted By kinmami
Do JP03 or 04, 05 switch (using the 0ohm...

Do JP03 or 04, 05 switch (using the 0ohm resistor) between pin 2 and pin 34?

I have found a Japanese page https://98epjunk.shakunage.net/fdd/smd340_fd1231t.html
which tells about the pin...
Forum: Hardware mods 03 December 2022, 10:29
Replies: 208
Views: 48,949
Posted By kinmami
Thumbs up https://pcbwayfile.s3.us-west-2.amazonaws.com/web/...

https://pcbwayfile.s3.us-west-2.amazonaws.com/web/22/12/03/1725210883003.jpg
https://pcbwayfile.s3.us-west-2.amazonaws.com/web/22/12/02/1241390120286.jpg...
Forum: Hardware mods 01 December 2022, 02:42
Replies: 208
Views: 48,949
Posted By kinmami
:great

:great
Forum: Hardware mods 21 November 2022, 23:33
Replies: 208
Views: 48,949
Posted By kinmami
Lightbulb Hello I have designed and shared this...

Hello

I have designed and shared this adapter lately
Commodore Amiga DB23 RGB VGA External Video Buffer (V6)...
Forum: request.Old Rare Games 12 November 2022, 23:24
Replies: 42
Views: 9,703
Posted By kinmami
a Greaseweazle could help recovering the...

a Greaseweazle could help recovering the originals maybe?
Forum: request.Old Rare Games 12 November 2022, 00:43
Replies: 42
Views: 9,703
Posted By kinmami
Thumbs up It is (was) amazing! Thanks a million for...

It is (was) amazing!
Thanks a million for sharing this gem.:great
Forum: Hardware mods 29 July 2021, 08:49
Replies: 208
Views: 48,949
Posted By kinmami
Yes mainly Super Denise ECS tested

Yes mainly Super Denise ECS tested
Forum: Hardware mods 28 July 2021, 16:50
Replies: 208
Views: 48,949
Posted By kinmami
Lightbulb good points here in your discussion: I...

good points here in your discussion:



I suppose @SukkoPera can add a jumper to the layout.



It could work. I was thinking (not tested yet) of inserting an L-R bead of 220ohm + 47~100pF in...
Forum: Hardware mods 28 July 2021, 08:57
Replies: 208
Views: 48,949
Posted By kinmami
Thanks for the feedback. Jail bars are more...

Thanks for the feedback.
Jail bars are more intense on R and G patterns compared to B.
Displaying colour gradients from full black to full white (a complete palette set), there are few cases in...
Forum: Hardware mods 28 July 2021, 04:24
Replies: 208
Views: 48,949
Posted By kinmami
Thumbs up thanks, great contribution! :) please let me...

thanks, great contribution! :)

please let me share my findings (https://hackaday.io/project/180442/log/195925-understanding-fixing-rgb-noise) tested with LCD and CRT
Forum: request.Other 18 June 2021, 00:31
Replies: 11
Views: 3,003
Posted By kinmami
Italian living in Japan... more or less like...

Italian living in Japan... more or less like Mario and Luigi;)
Forum: request.Other 17 June 2021, 08:42
Replies: 11
Views: 3,003
Posted By kinmami
Thanks for the appreciation and +feedback. It...

Thanks for the appreciation and +feedback.
It is always a pleasure to service original hardware and make it stronger and better.
Hope the community in APAC will grow in the coming years.
Enjoy...
Forum: Hardware mods 17 June 2021, 07:38
Replies: 208
Views: 48,949
Posted By kinmami
sorry to jump into the discussion. I am working...

sorry to jump into the discussion. I am working "closely" with SukkoPera from Japan.

First of all, appreciated the kind interest and positive comment.
Concerning the LCD issue, based on my...
Forum: Hardware mods 16 June 2021, 03:29
Replies: 208
Views: 48,949
Posted By kinmami
Thanks for the appreciation. Working now on...

Thanks for the appreciation.

Working now on V2…
Forum: request.Old Rare Games 31 May 2021, 08:53
Replies: 23
Views: 11,727
Posted By kinmami
playing it in "Super Fightin' Spirit" mode does...

playing it in "Super Fightin' Spirit" mode does bypass the issue.


Super Fightin' Spirit mode:
To activate the Super Fighting Spirits mode described on the secret screen, select options and...
Forum: Hardware mods 08 February 2020, 22:17
Replies: 61
Views: 17,815
Posted By kinmami
I have run some tests on my A2000 and generally,...

I have run some tests on my A2000 and generally, it worked well.
In attachment, the connection scheme which may differ from the initial one.
Hope it helps.

I noticed that micro usb connector...
Forum: Hardware mods 29 January 2020, 04:37
Replies: 312
Views: 423,533
Posted By kinmami
hello using 150 ohm it will result in 1.67V,...

hello using 150 ohm it will result in 1.67V, while using 220 ohm (which I do recommend) it will be 1.27V
200 ohm is more compatible with asian TV models/brands
Forum: support.Hardware 09 October 2019, 08:17
Replies: 3
Views: 1,177
Posted By kinmami
Thumbs up Manufacturer Digi-Key P/N Qty Description ...

Manufacturer Digi-Key P/N Qty Description
Nichicon 493-14724-1-ND 1 CAP ALUM 1UF 20% 50V THRU HOLE
Panasonic P15835CT-ND 5 CAP ALUM 2.2UF 20% 50V RADIAL
Nichicon 493-10451-1-ND 10 CAP ALUM 10UF...
Forum: support.Hardware 09 October 2019, 05:22
Replies: 3
Views: 1,177
Posted By kinmami
FYR, the motherboard in subject is REV 2.2.1 (EU...

FYR, the motherboard in subject is REV 2.2.1 (EU model)
Forum: support.Hardware 09 October 2019, 05:18
Replies: 3
Views: 1,177
Posted By kinmami
Thumbs up Hello I have replaced the PSU completely...

Hello

I have replaced the PSU completely with a brand new unit,
then please find here just the list of capacitors mounted on the motherboard:


Digi-Key P/N Qty Description...
Forum: support.Hardware 28 August 2019, 15:03
Replies: 40
Views: 7,046
Posted By kinmami
Thumbs up The machine was not so bad, to be honest. Indeed,...

The machine was not so bad, to be honest. Indeed, A3000 is marvellous!

We replaced all electrolytic capacitors on mainboard and daughterboard with hybrid polymer type (Panasonic).
Audio circuit...
Forum: support.Hardware 15 June 2019, 15:42
Replies: 49
Views: 63,658
Posted By kinmami
First of all, make sure you clean the motherboard...

First of all, make sure you clean the motherboard with isopropyl alcohol.
If the vias are completely damaged, the only way is to re-establish the missing connections by welding some AWG28 or AWG30...
Forum: News 03 October 2017, 13:49
Replies: 977
Views: 251,736
Posted By kinmami
updated with the USB power switch. I selected...

updated with the USB power switch.
I selected a N-channel with CP topology, with a current limit of 500mA max.

@kaffer
about the fault status pin(active low, in case of UVLO or...
Forum: News 03 October 2017, 10:40
Replies: 977
Views: 251,736
Posted By kinmami
Arrow Dears, Thanks for the green light from...

Dears,

Thanks for the green light from Kaffer,

This is a tentative layout for the gotek drive, which improves the original concept.

BOM list and schematic need optimization. I used...
Forum: Hardware mods 23 September 2017, 03:48
Replies: 634
Views: 248,089
Posted By kinmami
unit prices & P/N from digikey are just for...

unit prices & P/N from digikey are just for reference.
Forum: Hardware mods 22 September 2017, 13:15
Replies: 634
Views: 248,089
Posted By kinmami
Post additional update in attachment. waiting your...

additional update in attachment.
waiting your kind comment.
thanks
Forum: Hardware mods 22 September 2017, 12:18
Replies: 634
Views: 248,089
Posted By kinmami
Post updated. pls review and let us know. thanks

updated.
pls review and let us know.
thanks
Forum: Hardware mods 20 September 2017, 20:41
Replies: 634
Views: 248,089
Posted By kinmami
Post Thanks. Revised list, based on your suggestion...

Thanks.
Revised list, based on your suggestion and Digikey P/N availability, in attachment.
Forum: Hardware mods 20 September 2017, 05:36
Replies: 634
Views: 248,089
Posted By kinmami
Post Hello Guys First of all congratulation for the...

Hello Guys
First of all congratulation for the project development and shared time.
I have written a BOM list draft where the highlighted items need your confirmation regarding the nominal value...
Forum: support.Hardware 29 March 2016, 03:40
Replies: 49
Views: 63,658
Posted By kinmami
Located in Tokyo, Shinagawa-ku. Able to SMD...

Located in Tokyo, Shinagawa-ku. Able to SMD soldering, rework and PCB restoration.
Forum: Member Introductions 14 April 2013, 11:53
Replies: 10
Views: 2,390
Posted By kinmami
Hello!

Hello!
Forum: request.Old Rare Games 11 February 2013, 08:38
Replies: 23
Views: 11,727
Posted By kinmami
yes so far all Originals have same bug and...

yes so far all Originals have same bug and obviously backup as well
Forum: request.Old Rare Games 10 February 2013, 16:44
Replies: 23
Views: 11,727
Posted By kinmami
I have noticed that starting the game in Super...

I have noticed that starting the game in Super Fightin' Spirit mode will solve the issue.

I managed backup and originals, but all versions had same bug. Solved using cheat.

Super Fightin'...
Forum: Member Introductions 20 December 2012, 05:29
Replies: 6
Views: 1,741
Posted By kinmami
Ciao! Welcome:xmas

Ciao!

Welcome:xmas
Forum: Member Introductions 16 December 2011, 05:41
Replies: 7
Views: 3,063
Posted By kinmami
sure not!

sure not!
Forum: Member Introductions 13 December 2011, 16:58
Replies: 7
Views: 3,063
Posted By kinmami
science experiments mainly;)

science experiments mainly;)
Forum: Member Introductions 12 December 2011, 06:59
Replies: 7
Views: 3,063
Posted By kinmami
Thumbs up Ciao!

Dear All,

greetings from Seoul!
Forum: request.Old Rare Games 11 December 2011, 01:59
Replies: 23
Views: 11,727
Posted By kinmami
Thumbs up thank you!:xmas

thank you!:xmas
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