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Author Topic: (SOLVED) VGA converter help! I'm stumped! (pictures included)  (Read 3209 times)

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oldgamesrbetter

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So I have a MKII PCB..and I recently bought this:



I bought it cause I basically couldn't wait til my monitor came in the mail..so I wanted to use it to test everything out.. but I'm having problems hooking it up.

This is my set up right now:


I know I don't have my sound card hooked up.. just testing for picture.








So I start everything up and these chinese letters come up:


Then this:


Then I hold down the "auto" button on the vga board which is supposed to automatically find what works best and colors come up:


WTF?!?!?! I go through every darn setting in the VGA board like the directions say.. tried changing screen size, inputs (Ypbpr/RGBS/RGBHV), brightness/contrast. I know everything is on cause the red lights are lit up on the PCB and VGA board. I know my tv works too cause I always hook the same chord from my computer to it.

Theres something i have to be doing wrong here cause I tried it on my UMK3 PCB and the same thing happened. Am I missing a wire or forgetting something? Sorry for all the noob lingo. Can anyone help me get this thing working?

_______

Here are the directions it came with.. its broken english:

MENU CONTROL
-   “MENU” open OSD menu, and enter.
-   “UP”    up and increase.
-   “DOWN/AUTO” down and reduce.
Press this key auto scan CGA/EGA signal
Press this key over 5 second and release reset system
** (this operation is invalid when you open OSD menu)
-   “SW”    switch input signal Ypbpr/RGBS/RGBHV.
** (this operation is invalid when you open OSD menu)
-   “Clamp sp” & “Clamp” please don’t adjust this button , excepting the monitor have black item, or picture discoloration.
-   More functions control please look to OSD to operation.
FAQ
No signal on you monitor
-please check input and output cable, make sure all cable it’s connected. And make sure power it’s on. Display on you monitor it’s “No signal” please press “SW” to switch input signal.
Input not supports
   -when you monitor display “input not supports” maybe you need change to low resolution .
Please press “DOWN/AUTO” over 5 second and release. system reset to 800*600 output.
Image not full on you screen
   -please enter menu adjust image position and zoom.
Image shake or freeze
   -please press “DOWN/AUTO”, system auto scan input signal and restore image.
Have black item on screen, or all screen it’s too black, or picture discoloration.
   -please adjust “Clamp sp” and “Clamp st”, please keep “Clamp st” less than “Clamp sp”.
   -advice “Clamp st” SET “03” , “Clamp sp” SET “04”.
Image color not right
   -please adjust R\G\B VR.



« Last Edit: July 11, 2009, 09:41:20 pm by oldgamesrbetter »

Ummon

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Re: RGBs/CGA/YUV to VGA help! I'm stumped! (pictures included)
« Reply #1 on: July 11, 2009, 03:59:06 pm »
You might get more response if you re-title your inital post to the name of that convertor, as some here have one and may be able to comment, but aren't recognizing your issue by the thread title.
Yo. Chocolate.


"Theoretical physics has been the most successful and cost-effective in all of science."

Stephen Hawking


People often confuse expressed observations with complaint, ridicule, or - even worse - self-pity.

oldgamesrbetter

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Re: RGBs/CGA/YUV to VGA help! I'm stumped! (pictures included)
« Reply #2 on: July 11, 2009, 04:58:42 pm »
That's what he called it.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=170349440704

What would you like me to call it? VGA converter.. HD converter.. he has a couple names for it.

Kevin Mullins

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Re: RGBs/CGA/YUV to VGA help! I'm stumped! (pictures included)
« Reply #3 on: July 11, 2009, 05:18:51 pm »
I would hold the auto button to reset everything like it says to.
Then use the SW to see if it changes from one input to the other.
I'm gonna guess that the auto is only scanning whatever INPUT it's on, so I would think there would be something that popped up (osd) to show which input it was coming from.
 :dunno
Not a technician . . . . just a DIY'er.

qrz

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Re: VGA converter help! I'm stumped! (pictures included)
« Reply #4 on: July 11, 2009, 09:42:27 pm »
i hope this NOT to be the case ......, there is a lot of bogus crap coming from china ....
i wasn't able to enlarge the pic and still read the chip numbers.

 post what numbers u can see .
as can look 'em up


qrz

oldgamesrbetter

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Re: (SOLVED) VGA converter help! I'm stumped! (pictures included)
« Reply #5 on: July 11, 2009, 09:45:11 pm »
I figured it out! I had to crank up the voltage on my switching power supply! Sheesh!

Kevin Mullins

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Re: (SOLVED) VGA converter help! I'm stumped! (pictures included)
« Reply #6 on: July 12, 2009, 12:44:42 am »
Ah.... so your MKII board wasn't even booting.
That's where the sound board helps.  ;)
Not a technician . . . . just a DIY'er.

oldgamesrbetter

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Re: (SOLVED) VGA converter help! I'm stumped! (pictures included)
« Reply #7 on: July 12, 2009, 08:08:10 am »
Yeah before I put on the soundboard it told me I had had a couple bad roms.. then I put on the sound board and it says I have 1 bad rom.. I hope since its been over night since that problem occured that the rom fairy came and fixed it for me.. with the one bad rom it just glitched every once in a while.. still playable.. gotta learn how to solider now.. always some problem or puzzle I gotta figure out with this haha.
« Last Edit: July 12, 2009, 08:24:11 am by oldgamesrbetter »