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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Sun May 23, 2010 5:37 am Post subject: nec 6 pg extra issues |
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hi all, a quick question relating to an nec 6pg xtra, fitted with the optional convergence board. approx 2600 hrs on the unit , been running fine using a modified momitsu dvd player, with a modded circuit to allow a 5bnc connection to the projector, allowing for resolution changes etc etc. the projector is currently showing a -(h) and -(v) on the source info page, looking at the boards on start up, with the cover open, both red led's for h and v blink on then stay off as per info on curt's page. can u help with any suggestions to identify the problem and to provide a fix. many thanks in advance, cliffo-645
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Sun May 23, 2010 9:22 am Post subject: |
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Sorry, I misread.
I thought the deflection board leds were staying lit.
Last edited by Mark_A_W on Mon May 24, 2010 2:52 am; edited 1 time in total
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CIR Engineering
Joined: 25 Aug 2008
Posts: 4269
Location: Chicago USA & Berlin Germany
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| Posted: Sun May 23, 2010 2:40 pm Post subject: Re: nec 6 pg extra issues |
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| cliffo-645 wrote: | | hi all, a quick question relating to an nec 6pg xtra, fitted with the optional convergence board. approx 2600 hrs on the unit , been running fine using a modified momitsu dvd player, with a modded circuit to allow a 5bnc connection to the projector, allowing for resolution changes etc etc. the projector is currently showing a -(h) and -(v) on the source info page, looking at the boards on start up, with the cover open, both red led's for h and v blink on then stay off as per info on curt's page. can u help with any suggestions to identify the problem and to provide a fix. many thanks in advance, cliffo-645 |
Did you attempt to run 1080p 60Hz or another high frequency? I think this will fry the deflection board in a 6pg, right?
I think you need to keep this projector at 1080i 60Hz or less.
craigr
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sun May 23, 2010 3:12 pm Post subject: |
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Cliffo, what exactly is the problem? You haven't stated one.
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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Sun May 23, 2010 10:43 pm Post subject: |
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thats right, i didnt. oops. there is no picture displayed when source is connected, pulling up the source info page on the nec shows that there is no h or v lock, the display is at 15 hz, the picture is fuzzy, ( in green, on the source info page) with individual tv lines shifted as it were, so they dont line up for a smooth image, almost as if the lines have slid left or right a fraction to break up the smoothness of the picture. and yes, i was playing with the resolution on the momitsu, from 750p upto 1080i/p with higher levels of hertz. so, like icarus, did i fly too high????? thanks guys, clifton in, well, sunny yes, but a cold Melbourne.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Mon May 24, 2010 2:09 am Post subject: |
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A: Did you try another source device?
B: Even sending 1080p to this you should of just received a box saying to high frequency or something. I dont remember exactly but I have sent 1080p many times while testing boards.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon May 24, 2010 2:53 am Post subject: |
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| cliffo-645 wrote: | | thats right, i didnt. oops. there is no picture displayed when source is connected, pulling up the source info page on the nec shows that there is no h or v lock, the display is at 15 hz, the picture is fuzzy, ( in green, on the source info page) with individual tv lines shifted as it were, so they dont line up for a smooth image, almost as if the lines have slid left or right a fraction to break up the smoothness of the picture. and yes, i was playing with the resolution on the momitsu, from 750p upto 1080i/p with higher levels of hertz. so, like icarus, did i fly too high????? thanks guys, clifton in, well, sunny yes, but a cold Melbourne. |
Connect a CRT PC monitor to the Momitsu.
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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Mon May 24, 2010 7:10 am Post subject: |
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the mods to the momitsu has disconnected all other "outs", and the signal path is straight to the "added" 5bnc out, in an effort to clean up the signal path, according to the manufacturers blurb. so i need to find another crt projector to check the momitsu for operation. and i believe that these units (6pg xtra) dont have video/s-video boards.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon May 24, 2010 7:26 am Post subject: |
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You can still connect a CRT monitor.
You need a BNC breakout cable and a VGA double adapter.
You do need to verify the Momitsu is working before you dive into the projector.
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Tue Jun 01, 2010 8:29 am Post subject: |
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Some 6s do have the video board, it was optional as far as i know. See if there is an option for it when you create a new entry.
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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Fri Jun 18, 2010 11:48 am Post subject: |
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hi guys, back with another plea for help. i did as suggested and got a vga to 5bnc breakout cable and hooked the modded momitsu playr up to a computer monitor, got a picture and could watch the movie. went and used the same cable to plug into the vga port on the front of the nec 6pg xtra. no picture, pulling up the test patterns showed a VERY faint test pattern. the display page showed up in full strength green, and the page's writing is jagged, as if each tv line has shifted left and right fractionally. same thing happens with the original Belden 5 bnc cable. what do i do?????????? thanks in advance, clifton in melbourne. 
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Fri Jun 18, 2010 12:46 pm Post subject: |
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You did what?
There is no 15 pin VGA connection on the front of a PG!! Only the 5 BNCs for RGBHV, that is it!! The 2 black plugs that LOOK like VGA are not for picture input!!
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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Fri Jun 18, 2010 11:21 pm Post subject: |
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cut to daffy duck" aaahhhaaa!!!!!!!!!!!!
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Sat Jun 19, 2010 1:16 am Post subject: |
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Be easy if those two were 15 pin RGB connections!
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cliffo-645
Joined: 22 Apr 2007
Posts: 6
Location: melbourne, australia
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| Posted: Sat Jun 19, 2010 1:20 am Post subject: |
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you ever had one of those "WTF" moments? well, i just plugged everything back into it's proper place, using the proper cable and all, AND IT WORKS FINE!!!!!! must be my inner genius surfacing. thanks to all for their suggestions and helpful hints. cheers, clifton in melbourne
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