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Author Topic: Flat, washed out colors on new Makvision M3129DS-LG Tri-mode  (Read 424 times)

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Vectorfire

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Flat, washed out colors on new Makvision M3129DS-LG Tri-mode
« on: February 11, 2020, 06:35:36 am »
Hello all,
  I have a brand spanking new Makvision M3129DS-LG Tri-mode monitor and have just gotten CRT_Emu driver with GrovyMame up and running.

The first thing I've noticed is that the color intensity is flat and everything appears sort of washed out. Having previously owned an Egret 29 with a Nanao monitor I have an idea of what these a few of my favorite games should look like. Garou Mark of the Wolves and Dangun Feveron are usually pretty good candidates for colorful graphics. Both look flat and dull.

There are no color adjustments on the primary breakout panel, but there are a set of mini potentiometers for each gun on the neck board in the chassis.

DRIVE and OFF

one for each R,G & B gun respectively.

The description provided in the spartan manual it uses describes each pot identically.
 "turning this to the right will result in color becoming darker"

Before I go fiddling with these is there anything I should know? Will turning these up result in rapid burn in? Are there dangers to doing this?
What more specifically is DRIVE and OFF?

I finally got things up and running and don't want to go screwing anything up.
Any insight you could provide would be greatly appreciated!

« Last Edit: February 11, 2020, 06:40:08 am by Vectorfire »
Groovy_Mame Rig:
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16gb DDR3
Creative SB0730 X-Fi Xtreme Gamer
Sapphire Dua-X R 280 Radeon: DVI-I-->VGA adapter
Ultimarc Video Amplifier
27" Makvision Tri-Mode Monitor

grantspain

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Re: Flat, washed out colors on new Makvision M3129DS-LG Tri-mode
« Reply #1 on: February 11, 2020, 12:22:35 pm »
have you put the switch to 0.7/1v on the remote board?

Vectorfire

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Re: Flat, washed out colors on new Makvision M3129DS-LG Tri-mode
« Reply #2 on: February 12, 2020, 08:06:21 am »
 I looked last night it was indeed set to .75 ohm @ 1 volt impedance. I would try the other setting, but I am unsure if that's safe to do.

I'm so terribly disappointed with this monitor. The absolutely drab color saturation has utterly has taken the wind out of my sails for what was going to be a big project that I have been saving up for quite some time. My reds look maroon.

I genuinely feel like I've flushed my money down the toiled on this purchase. :-\

Even with the contrast cranked up to ten, it bland at best.

I don't know what to do now. I dropped 750$ total with shipping for whats going to end up being a 100lb paperweight.


look at the red in this screenshot of my screen



this is what it should look like
« Last Edit: February 12, 2020, 08:15:58 am by Vectorfire »
Groovy_Mame Rig:
Windows 7 Home Premium
Intel i7-3770K @ 4.50ghz
16gb DDR3
Creative SB0730 X-Fi Xtreme Gamer
Sapphire Dua-X R 280 Radeon: DVI-I-->VGA adapter
Ultimarc Video Amplifier
27" Makvision Tri-Mode Monitor

ArcadeWilly

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Re: Flat, washed out colors on new Makvision M3129DS-LG Tri-mode
« Reply #3 on: February 22, 2020, 11:02:42 pm »
    I was almost going to go for one of these but read a post, I think on here or an Aus forum saying that they don't have fantastic colours and are really made for arcade operators that just need anything to get old machines working again.

    That being said, I was sure these could take a higher sync voltage (did a fair bit of reading a while back) and Suzohapp's page confirms (see link below). On my D9200 there's a second video connector but from reading it looks like there's only a HD15

    I'm not an expert but Nanao displays have always looked particularly vibrant to me, I don't think it will ever quite be as good but hopefully you can get it to good enough with some tweaking! Don't give up.

https://na.suzohapp.com/products/monitors/49-2715-00
Video Input Analog 0.7VPP (75�)/TTL 2.5-5.0VPP (2K�)

grantspain

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Re: Flat, washed out colors on new Makvision M3129DS-LG Tri-mode
« Reply #4 on: February 23, 2020, 04:52:34 pm »
can you get a graduation colour pattern onto the monitor, it looks like you may have a degauss issue
there is plenty of contrast but your colour looks wrong, as in purity