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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Tue Sep 04, 2007 11:07 am Post subject: Marquee LVPS LED lights up - no image. |
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What are the possible causes; or is it actually a smoked LVPS?
Willie
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CZ Eddie
Joined: 23 Mar 2006
Posts: 1601
Location: Austin, TX
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| Posted: Tue Sep 04, 2007 12:58 pm Post subject: |
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Search "CLM" "Railroad" and "IC's". 
Remove the CLM, re-seat the IC's & clean their contacts, reinsert and you're done.
You might be able to get away with just pressing down firmly on each IC.
_________________
Back after a digital sabatical.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Tue Sep 04, 2007 6:05 pm Post subject: |
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Do you have a test pattern?
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Tue Sep 04, 2007 6:11 pm Post subject: |
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Hello
You may have a blown transistor, IC or capacitor on some board. Boards driving yokes can get hit by tube arcs, so unplug the convergence amp ribbon jumper, try removing the focus board completely, try unplugging neckboard 14 pin umbilicals, that sort of stuff. Unplug the wired keypad cable if installed.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Tue Sep 04, 2007 6:50 pm Post subject: |
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Interesting post there Tim in Phoenix. 
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Tue Sep 04, 2007 7:18 pm Post subject: |
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| macgyver655 wrote: | | Interesting post there Tim in Phoenix. |
Hello
I have seen problems on boards, shorted keypads, and IR sensor-keypad-Acon wires tie wrapped against sharp metal edges (cutting into the wires) more than I have seen failed lvps's; the led is saying the lvps might have failed or might be held down bcause it is seeing a short somewhere in the chassis.
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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Tue Sep 04, 2007 8:18 pm Post subject: |
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Guys,
Thanks for the input. I will check everything tonight.
BTW, Tim your website is invaluable. Thanks.
Willie
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Tue Sep 04, 2007 9:05 pm Post subject: |
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| Willie wrote: | Guys,
Thanks for the input. I will check everything tonight.
BTW, Tim your website is invaluable. Thanks.
Willie |
Thanks!!!!! The idea here is to unplug sections from the lvps until a board or cable is disconnected and the lvps can light up. Think vertical amp, Acon board, contrast board, decoder if installed, HVPS, horizontal board, Moome input card, it could be any of these. You will not necessarily get a picture but you want to try things until the red led is gone and that means you unplugged that which is shorted. You will need the control board, keypad or IR sensor and maybe the VIM installed or the chassis cannot be tried.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Tue Sep 04, 2007 10:02 pm Post subject: |
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Hey Tim. No offense was intended and your last post was excellant. A detailed description of what your looking for and how to accomplise it. Thanks 
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Tue Sep 04, 2007 10:36 pm Post subject: |
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| macgyver655 wrote: | | Hey Tim. No offense was intended and your last post was excellant. A detailed description of what your looking for and how to accomplise it. Thanks |
No offense imagined! People see the LVPS led and go get another LVPS and it often fixes nothing. It means low voltage distress somewhere, but some detective work is needed also. I've seen shorted caps in the wired keypads, shorted IR sensors, wires too tight against metal edges, it can be anywhere.
Last edited by Tim in Phoenix on Wed Sep 05, 2007 4:47 pm; edited 1 time in total
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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Wed Sep 05, 2007 2:26 am Post subject: |
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I pulled the focus board and voila! power cycles with no errors. Wonder where I might get replacement?
Willie
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Wed Sep 05, 2007 4:31 pm Post subject: |
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| Willie wrote: | I pulled the focus board and voila! power cycles with no errors. Wonder where I might get replacement?
Willie |
I'm sure Tim has a few hundred lying around.  there wa a tech bulleting around late 1997 that added a resistor to all 3 channels on F-board to prevent this failure. Try and get one of those for added reliability.
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lovebohn
Joined: 16 Mar 2006
Posts: 181
Location: Wisconsin
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| Posted: Wed Sep 05, 2007 6:23 pm Post subject: |
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Willie,
When did you get the 9500? I thought you had a NEC?
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JustGreg
Joined: 07 Mar 2006
Posts: 3098
Location: Kenosha, WI
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| Posted: Wed Sep 05, 2007 6:33 pm Post subject: |
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I snagged one on ebay for $20.00 plus shipping. Came out to around $36.00. It didn't fix the no HV issue but at least the pj (8500) doesn't sit there and click rythmically any more.
I think Curt has a slew too but my info is dated...I talked to him about an F board about 6 months ago.
Greg
_________________
Greg
"Is it ignorance or apathy? Hey, I don't know and I don't care!" --Jimmy Buffett
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erikjohn
Joined: 08 Mar 2006
Posts: 636
Location: Florida
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| Posted: Wed Sep 05, 2007 6:43 pm Post subject: |
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I sold this machine to Willie 8 or 9 months ago. I have some spare boards and will support him as much as possible until he gets it up and running.
_________________
EJ
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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Wed Sep 05, 2007 7:17 pm Post subject: |
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lovebohn,
I sold the PG+. I have a 6PG Xtra and a gasp! digital (Sharp Z2000).
I bought P17's for an Ampro that I had bought from Madpoet, however, Madpoet never shipped the Ampro and refunded my money (long story). Anyway, I needed a machine for the P17's that Terry had shipped almost immediately after I purchased them. About the time I got the 9500LC from Erik, my work (self-employed) picked up to 75-80 hours a week. I only recently dropped to 60 or so hours. So I finally re-assembled the unit.
If my work situation stays like it is, I may get this running and on my ceiling prior to 2008.
Willie
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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Wed Sep 05, 2007 7:22 pm Post subject: |
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Posted twice. Whoops.
Last edited by Willie on Wed Sep 05, 2007 7:26 pm; edited 1 time in total
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JustGreg
Joined: 07 Mar 2006
Posts: 3098
Location: Kenosha, WI
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| Posted: Wed Sep 05, 2007 7:23 pm Post subject: |
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| Willie wrote: | lovebohn,
I sold the PG+. I have a 6PG Xtra and a gasp! digital (Sharp Z2000).
I bought P17's for an Ampro that I had bought from Madpoet, however, Madpoet never shipped the Ampro and refunded my money (long story). Anyway, I needed a machine for the P17's that Terry had shipped almost immediately after I purchased them. About the time I got the 9500LC from Erik, my work (self-employed) picked up to 75-80 hours a week. I only recently dropped to 60 or so hours. So I finally re-assembled the unit.
If my work situation stays like it is, I may get this running and on my ceiling prior to 2008.
Willie |
Hi Willie,
Off topic:
What are you working at so much up there in Packer town? I haven't been up to Lambeau since '98...(watched the Pack thump the Niners) Is there alot of growing going on up there?
Greg
_________________
Greg
"Is it ignorance or apathy? Hey, I don't know and I don't care!" --Jimmy Buffett
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Willie
Joined: 13 May 2006
Posts: 169
Location: Green Bay
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| Posted: Wed Sep 05, 2007 9:52 pm Post subject: |
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Greg,
I own a Unishippers franchise. We are a 3PL (3rd party logistics company). The sales kids who work for me are off the charts this year. It is a good problem to have.
Check out http://www.freightmanager.com
Willie
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JustGreg
Joined: 07 Mar 2006
Posts: 3098
Location: Kenosha, WI
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| Posted: Wed Sep 05, 2007 10:21 pm Post subject: |
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| Willie wrote: | Greg,
I own a Unishippers franchise. We are a 3PL (3rd party logistics company). The sales kids who work for me are off the charts this year. It is a good problem to have.
Check out http://www.freightmanager.com
Willie |
Congrats to the off the charts this year. One would think that with fuel costs as insane as they are that the opposite would be true. I guess that's a testament to the unique methodology you employ. Here's to hoping '08 treats you just as nicely....now take a vacation and play with your projector, it misses you.
Greg
_________________
Greg
"Is it ignorance or apathy? Hey, I don't know and I don't care!" --Jimmy Buffett
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