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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Wed Jan 07, 2009 3:09 pm Post subject: Convergence fail on barco 800 |
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Hi,
the smps of my barco was broken... the standby works fine but don't start.
before fail of smps all works fine.
i check all solder connections for cracks and i renew suspects solders, i also check all fuse.
now the smps starts but i have the scan fail led on.and all other g2 led on (green)
the hdht led is on but very dim (all other led on g2 is on and bright green).
green light on smps is on.
i halso have the vertical board red led on.
any idea?
Thanks and sorry for my poor english.
Maurizio
Last edited by briandinazareth on Mon Jan 12, 2009 9:34 am; edited 1 time in total
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Wed Jan 07, 2009 3:51 pm Post subject: |
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Scan fail LED means that problem is on H or V board.
If current smps is taken from other 800, too wide picture adjustment from smps can also cause scan fail.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Wed Jan 07, 2009 4:00 pm Post subject: |
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i will try to adjust picture in smps, but is the original one.
all works fine before problem on smps, a smps failure may damage vertical or horizontal board?
Thanks
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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: Wed Jan 07, 2009 4:06 pm Post subject: |
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It can, or the SMPS might still be defective. On the other hand, a failure on the H or V board may have taken out the SMPS.
I have spare parts of all of these boards if you need something.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Wed Jan 07, 2009 4:14 pm Post subject: |
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in the smps i have only renewed suspect solders, i will check again all fuses and solders...
there is a way the understand what board is defective?
many thanks
maurizio
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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: Wed Jan 07, 2009 4:32 pm Post subject: |
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No, I usually have customers send me all three boards, the SMPS, H and V boards. I test them all here, repair and do mods to all boards to make them a bit more reliable.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Wed Jan 07, 2009 4:49 pm Post subject: |
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| Curt Palme wrote: | | No, I usually have customers send me all three boards, the SMPS, H and V boards. I test them all here, repair and do mods to all boards to make them a bit more reliable. |
ok, how much for all (include shipping to italy....)?
Thanks
Maurizio
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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: Wed Jan 07, 2009 4:58 pm Post subject: |
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Shoot me an email to curtpalme@shaw.ca.
Thanks!
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Thu Jan 08, 2009 9:25 am Post subject: |
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i find defective solders on smps... now all works fine! image is stable, only the internal pattern have some flicker...
but still remain a problem: when test the "+17" pin i read only 5volts but all works, what's wrong?
thanks
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Thu Jan 08, 2009 10:17 am Post subject: |
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Use frame as ground when measuring.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Fri Jan 09, 2009 11:31 am Post subject: |
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my voltmeter dont'n work correctly.... i will buy a new one...
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Mon Jan 12, 2009 9:31 am Post subject: |
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Hi, i have another issue....
The smps seems to work correctly, all works fine except the convergence....
I don't have errors, convergence simply don't work.
Extracting/inserting convergence board could crack the solders joints or maybe the smps have some problem?
Thanks
Maurizio
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Mon Jan 12, 2009 9:35 am Post subject: |
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is it possible to use the 801s boards on 800?
Thanks
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km987654
Joined: 25 Jul 2007
Posts: 2874
Location: Australia
TV/Projector: Barco BG809s
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| Posted: Mon Jan 12, 2009 9:46 am Post subject: |
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The 801 board will work but it will produce some interesting results at times. IMHO you need to match the convergence board with the controller or else some really strange thing will happen.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Mon Jan 12, 2009 3:18 pm Post subject: |
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i could have also the 801 controller...
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km987654
Joined: 25 Jul 2007
Posts: 2874
Location: Australia
TV/Projector: Barco BG809s
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| Posted: Tue Jan 13, 2009 8:55 am Post subject: |
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When you inserted the convergence board did you make sure that it is seated properly. Its possible to put the convergence board in without it connecting so please check that the board is in and connected before you conclude that its not working.
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Tue Jan 13, 2009 10:30 am Post subject: |
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| km987654 wrote: | | When you inserted the convergence board did you make sure that it is seated properly. Its possible to put the convergence board in without it connecting so please check that the board is in and connected before you conclude that its not working. |
I check the connectors and was correctly connected, maybe when i put out and in the board during tests to verify if the first problem was in a convergence board i flex this and crack something (a solder?)
Thanks
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briandinazareth
Joined: 07 Jan 2009
Posts: 16
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| Posted: Wed Jan 14, 2009 12:47 pm Post subject: |
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i have found a resistor and a condenser damaged....
tomorrow i will replace. i hope is the only problem....
regards
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