Sony PVM 14M4U RGB line help

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zionfarm
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Sony PVM 14M4U RGB line help

Post by zionfarm »

Greetings from South Korea,

I have been very Blessed to have been given this PVM. First I will start by saying that I am a Army guy stationed in Korea right at the DMZ located on a small ROK (Republic of Korea) camp called Camp Bonifas. One day I went up to my roommate who is the S6 noncommissioned officer in charge while at work to ask Mr. Kim a question on obtaining a PVM here in Korea. When I finally got through to him he said lets go talk to Mr. Kang he knows all about that stuff. Mr. Kang is the camps go to guy on everything electrical and also he is in charge of all our wiring and security stuff on the camp. When we got to his little building Mr. Kim informed him on what I was trying to obtain. He said wait a PVM and I said yes a PVM like in production video monitor.

He said oh those old things. Well low and behold he bent over and under his work table which mind you holds all kinds of testing electrical equipment and meters and stuff. He pulled out exactly what I was searching for, for the past 3 weeks in Korea. I quickly go to assist and pick up the little warrior of a monitor as I set it atop the work table. He immediately plugs it in and it turns on with out flaw. Long story was he bought it brand new in japan for calibration and other things back in 2000. Serial number 2018167 manufactured August 2000. Hours I am not sure as it was not used in the production aspect being he has been working on the camp since the early 90’s wit h this little guy.

The best thing about is he gives it to me……………….FOR FREE and says merry christmas, he says I don’t need it to heavy in his Korean accent. I go to give Mr. Kang a big Ass hug and say thank you Mr. Kang. He even gives 3 BNC to RCA adapters with it. I take it to my room knowing that at first I was gonna go the XRGB Mini route but I said SHIT……. not for now I ain’t :) :). I plug it in and I noticed that the screen is condensed on all sides hmmmmm. I go straight to the world wide web LoL and start looking up fixes for it and reasons why the red green and blue line was resting at the top of the screen where it was being cut off. Everything appears to work and the thing was very well cared for. I recently downloaded a service manual of this PVM and started to adjust the settings in the service mode according to page 17 under the STD settings for example
NOR 50 DEF H FREQUENCY MAX STD
255 85
So I would adjust my monitor to that if it wasn’t on it and all of the other settings which took a hot minute.

I don’t have a overdrive so I will be looking at getting the 240p test suite downloaded on the Wii and fine tuning the PVM with that as well since I don’t have any other way of adjusting geometries.

Now my question for you guys is what else can I do to solve red green and blue lines at the top of the screen issue?

P.S.
Now Ido remember Mr. Kang plugging some test device into the PVM and showing me that it works and I was reading through the service manual and it did say that. Also the link to the past is from the Wii VC and the other game is off my Saturn.

(Page 5)
Features*

Functions*

Note
“When the monitor is in the under scan mode, the dark RGB scanning lines may appear on the top edge of the screen. These are caused by an internal test signal, rather than the input signal.”


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skate323k137
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Re: Sony PVM 14M4U RGB line help

Post by skate323k137 »

zionfarm wrote:
Now my question for you guys is what else can I do to solve red green and blue lines at the top of the screen issue?


The service menu setting to move those is called "blanking". I believe you want V BLANKING in the service menu.
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Anapan
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Re: Sony PVM 14M4U RGB line help

Post by Anapan »

^correct answer
I've also just used the SVC menu's scaling and position controls to scale the image up so they're not on the screen and the picture fits the screen bezel better.
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zionfarm
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Re: Sony PVM 14M4U RGB line help

Post by zionfarm »

Anapan wrote:^correct answer
I've also just used the SVC menu's scaling and position controls to scale the image up so they're not on the screen and the picture fits the screen bezel better.



I did try that and one of them I had to max it to 255 and it still is on the screen.
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Anapan
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Re: Sony PVM 14M4U RGB line help

Post by Anapan »

My pvm is not so advanced. I have some CRTs that have this quirk, but that works for them. Hate to send you somewhere else for help, but the guys on the Shmups forum know their stuff (tho they might not be so forthcoming). A lot of the information I learned about my displays was from archived posts there.
oh, you're asking there too...
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zionfarm
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Re: Sony PVM 14M4U RGB line help

Post by zionfarm »

Anapan wrote:My pvm is not so advanced. I have some CRTs that have this quirk, but that works for them. Hate to send you somewhere else for help, but the guys on the Shmups forum know their stuff (tho they might not be so forthcoming). A lot of the information I learned about my displays was from archived posts there.
oh, you're asking there too...


You know what it's funny you say that. I have been on that forum and the guys over there are very helpful.


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Anapan
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Re: Sony PVM 14M4U RGB line help

Post by Anapan »

I thought so too when inquiring, tho a long time ago when I wasn't a member I found a lot of pertinent questions that google sent me to (when I had the same problem) just left hanging. Didn't want it to happen to you here even tho in this case I don't know the answer...
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zionfarm
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Re: Sony PVM 14M4U RGB line help

Post by zionfarm »

Thank you everybody for the help. I will eventually go back to Mr. Kang with the monitor and have him look at it.
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