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My ampro is killing me...

903 Views 23 Replies 7 Participants Last post by BlackSabbath, May 30, 2006

BlackSabbath

Discussion Starter · May 16, 2006

Alrght so after the other threads here and on curt's forums, the conclusion was that the lvps was crap so aron sent me a new one. At the sme time i got some spare parts from ed one of which is a new cpu board.

Despite the installation of the new lvps, the same registration problem happens that was happening before. However when i install ed's cpu, besides the remote now saying "ampro 4000g xe" (the xe is the new part) the registration dilema is not the same. With the new cpu in, when i turn on the reg the image bows to the right, not good but enough to be corrected with adjustments. However the registration adjustments do nothing with this cpu in. I have tried guided registration (cant even get into guided reg now) and internal as well as external test patterns and the adjustments do nothing.

This image is what my convergence looks like with the old cpu, the new one needs no descrpiption, it just bows to the right (but cannot be adjusted). There are 3 diagrams within the image to represent what it looks like with different crts turned on or off. I know i have had other threads on this on here and curt's and i dont want to seem annoying but im at a loss of what to do, i dont want to pout more cash into it if its not going to help... So any input is appreciated

.

http://img115.imageshack.us/img115/2...diagram0pf.jpg

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1 - 20 of 24 Posts

rajdude

· #2 · May 16, 2006

First,

I know the pain man! Ampros can be a royale pain in the a$$. I know because I got a 4200G.

But your problem is seems to be more electronics than faulty setup. If the convergence/registration is not even working, you got something bad there.

But you may want to check the registration amps and the connectors, are they correctly connected? I once connected them in reverse and something like this happened. The resistors on the reg-amp board were overheating too.

-Rajiv

PS: where are you located ?

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tse

· #3 · May 16, 2006

The images you show are with registration off?

Standing behind the projector and looking toward the screen, the red tube is on the left?

Projector is table mounted?

If the answers are yes then what you see is correct. Maybe exagerated a bit?

Curt Palme

· #4 · May 16, 2006

There's several different versions of CPU boards, none of which are interchangable. It's a royal PITA, trust me, I've spent more hours trying to figure out Ampro CPU boards than any other board from ANY set. Without making much headway..

All that I can suggest is that you send me your original CPU board and I might be able to repair it for you. The problem is, with the time spent repairing these, it probably will be around the $200 mark.

If Ed sent you a convergence board from his spart parts, try dropping that into your set, as the CPU and convergence boards talk to each other and that's where the incompatibility is. THe convergence output board remains the same between sets.

rajdude

· #5 · May 16, 2006

I second that, Scott!

I noticed those diagrams were right on. but his reg is not working.

-Rajiv

Quote:

Originally Posted by tse
The images you show are with registration off?

Standing behind the projector and looking toward the screen, the red tube is on the left?

Projector is table mounted?

If the answers are yes then what you see is correct. Maybe exagerated a bit?

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AU-Tiger

· #6 · May 16, 2006

Have you tried a Hammer....

madpoet

· #7 · May 16, 2006

Could one of you Barco guys even TRY to come up with an original insult?

Really, all this Ampro jealousy is bad for your soul.

AU-Tiger

· #8 · May 16, 2006

maybe it is...

JP

rajdude

· #9 · May 16, 2006

Actually most ppl have not actually seen a well setup Ampro.

Hence all this $%@[email protected]# against Ampros!

BlackSabbath

Discussion Starter · #10 · May 16, 2006

Actually with the reg off its pretty close, thats how i know its not my setup. If you recall my thread on curts a while ago i posted shots of a dot hatch with the reg off, people said theirs is not that good with it off, so luckily its not my setup

.

Remember the old cpu does adjust the registration its just so far off it cant be fixed, the new one is not that far off (just bows to the right) but the adjustments do nothing.

I am considering buying more parts from ed, a new reg board, some other unsold parts and a hvps. Its a very good deal (seems to me) but im just worried about pouring cash into it if it wont work... Although i honestly think the reg board is toast, so how much is that?

I think it might end up being cheaper to buy the rest of the parts from ed to match the cpu.

tse

· #11 · May 16, 2006

In your above post you say it's not that far off with registration turned off. It goes way out with it turned on?

A couple of more questions....

Are you trying for a small screen size?

How far from the screen is the projector?

Your drawings seem to show alot of red and blue tube pivot, if too much then the registration won't be able to pull it in.

Scott

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rajdude

· #12 · May 16, 2006

Quote:

Originally Posted by tse
Are you trying for a small screen size?

How far from the screen is the projector?

Scott

I second that (again).

By placing the PJ farther away from the screen and making the image bigger... my PJ has become much more stable and runs cooler too!

It is because the electronics does not have to work so hard to correct the keystone and other related convergence/registration stuff.

-Rajiv

Scott's the MAN!

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BlackSabbath

Discussion Starter · #13 · May 17, 2006

My pj is currently mounted on a wooden table with 2 wheels (temporary) with a couch in front of it. I had moved it back and fourth to see if using the whole phosphor area would help, but it didnt. The reason im not using the whole phosphor area right now is because i cant put the couch behind the table and if i move the couch closer to make the pj closer its too close to the screen and hard to walk in front of. This is a temporary setup, i wouldnt want to have bad phosphor wear due to not using the entire area, once i get it working im going to cieling mount it.

I noticed comparing the new cpu to the old they are visually identacal except for one thing. On the back of the new one there is 2 occurances where there is a wire with a resistor soldered to 2 points. On the old one, there is only one and the one is in the same spot that one of the 2 on the new is. Could it have broken off somehow? Should I attempt to solder an identical resistor to the old?

Also, if i were to buy the new reg board, hvps, and a few other things from ed, the new cpu would be ok to use with the rest of my pj just not the old reg board and such right?

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tse

· #14 · May 17, 2006

One really unfortunate fact of life is the projector needs to be right in the optimum viewing area. The only solution is ceiling mount. Way too much light would be lost if there were long throw lenses.

Scott

Curt Palme

· #15 · May 17, 2006

That resistor is part of the difference between boards. I don't know if adding or removing it might help, but try it. I believe the software is different as well though so I don't think the resistor is all there is to it.

If the registration goes way off when you turn ON the convergence, make sure that your settings in the convergence aren't way off the 50% mark. With a bad memory battery, I've seen values as high/low as +/- 350%, and you have to manually scroll each setting back to 50%. (after you change the battery). It's amazing how far off the convergence can get if the parameters are way off the 50% mark.

BlackSabbath

Discussion Starter · #16 · May 17, 2006

Yea thats what was said in the old thread too, unless i know what has been done before i turn it on i always start my attempt at registration with a 29 code which clears all of it. They always end up at 50 or very close.

So heres where i want you guys's (guys's? maybe im not sure how to say it) opinions. Is it worth it to buy the rest of the parts from ed (less than the 200 it costs to fix the cpu) and swap out everything to match the new cpu or not? I'm leaning towards getting the parts personally because i think the reg board is fried, but if someone has a good reason why its a bad idea please let me know

.

Thanks!

rajdude

· #17 · May 18, 2006

Quote:

Originally Posted by BlackSabbath
So heres where i want you guys's (guys's? maybe im not sure how to say it) opinions.

the correct way would be:

...you guys' opinions...

BTW, good luck !

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madpoet

· #18 · May 18, 2006

or "youse guys" if you're in the mob

Anyway... you might try the new set of boards. Not much money.

BlackSabbath

Discussion Starter · #19 · May 18, 2006

I like the youse guys, I'll buy the stuff from ed and prey it fixes it.

BlackSabbath

Discussion Starter · #20 · May 29, 2006

Alright i got the stuff, and a LOT of stuff it is. I replaced the HVPS, the registration board, put in the cpu i got from the same pj these parts came from, put in the different rgb board (the one that has the wire that plugs into the reg board) put in the quad video/ v drive board from the pj (to make everythng match) put in the H.O.T. and horizontal boards from that same pj (again to make it all match just in case).

And now I want to shoot myself because registraton adjustments do nothing, zip nada zero. I tried swapping out boards with old ones that didnt match, new ones (i marked all of them to make sure i didnt get mixed up) and it doesnt do anything at all... The registration does not show that same pattern it did like in the diagram but the adjustments do zip... I'm about ready to send this back and lose $185 on shipping, i would love to see aron try to get it to work, he would probably just set it on fire out of frustration as i am amazed i havent yet... Any input? Ideas? I really need help with this because i have a LOT of spare parts ncluding a full set of tubes and really want to utilize them.

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1 - 20 of 24 Posts

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