Internal of several MSX Computers: Canon V-8, V-10, V-20 / Toshiba HX-33 / YASHICA YC-64 / PHILIPS VG-8020/19

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By wernerkai

Champion (357)

wernerkai의 아바타

02-06-2015, 00:09

Pictures of SONY HB-101 RED for you:

I found that:
* mine is serial 207174.
* It doesn't has springs internally in the handle (at least this unit I have)
* It returns 126 as result of PRINT PEEK (&H8000)

We found that there's a second version which:

* has springs internally in the handle
* uses gate arrays CX23044 and CX23045.
* has pull-ups and returns 255 to PEEK (&H8000).

If you have a HB-101... could you verify the handle, make the PEEK test and post color of the case, results and serial number please ?

By wernerkai

Champion (357)

wernerkai의 아바타

02-06-2015, 02:13

Pictures of the HB-101 second model:

The White one:

The Black one:

By sd_snatcher

Prophet (3608)

sd_snatcher의 아바타

02-06-2015, 02:18

wernerkai wrote:

Regarding CASIO MX-101. Its' double-sided PCB.

A double sided phenolic paper circuit board? That's unusual on MSX, but an interesting low cost solution. It seems by the pictures that the board holes are non-metalized, probably because of the cheaper board material.

An MSX-Engine by Hitachi?! Now that's the first I ever seen! Since there's no discrete PSG & PPI on the board, I guess this chipset is very similar to the Yamaha S3527.

By wernerkai

Champion (357)

wernerkai의 아바타

02-06-2015, 02:38

sd_snatcher wrote:

It seems by the pictures that the board holes are non-metalized, probably because of the cheaper board material.

Indeed they are non-metalized.

That short jumpers with a soldering point at the center are the way they found to transfer signals from one side to another.

By wernerkai

Champion (357)

wernerkai의 아바타

02-06-2015, 03:17

By l_oliveira

Hero (534)

l_oliveira의 아바타

02-06-2015, 18:00

@sd_snathcer:

VG8020/00 converted to NTSC with the info I could pull from Werner's pictures. Perfect colors, perfect video !

By sd_snatcher

Prophet (3608)

sd_snatcher의 아바타

10-06-2015, 00:06

@l_oliveira

Cool!!!

Now, what do you thing about publishing an article on how to configure the LVA510 to output NTSC? Smile

This info could help many others interested on doing a PAL->NTSC conversion, like AxelStone on this thread.

By Ace

Resident (53)

Ace의 아바타

29-06-2015, 02:32

I second that. I have a VG-8020/20 I'm attempting to convert to NTSC and I just can't figure out what to do with the LVA510.

By sd_snatcher

Prophet (3608)

sd_snatcher의 아바타

15-07-2015, 04:00

More stripped MSX! This guy has published pictures of many MSX machines in his website:

- Spanish Mitsubishi ML-G1. What's that 60-pin expansion port meant to?!
- Canon V-20
- al Alamiah AX-170
- Daewoo Perfect-1
- Philips VG-8020
- Philips VG-8235
- Sony HB-75P
- Sony HB-101P
- Spectravideo SVI-728
- Toshiba HX-10 UK
- Vestel Goldstar FC-200 PAL

By Manuel

Ascended (19199)

Manuel의 아바타

15-07-2015, 22:06

A great resource indeed!

However, without knowing something about the ROMs, it's hard to start using that info for emulation... Does someone have the ability to provide information on the ROMs of:
- Daewoo Perfect-1
- Vestel Goldstar FC-200

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