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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 7:14 pm Post subject: so... I just blew up a 1209/2 |
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Just had this PJ shipped back to Europe and it arrived today. Anxious as I was to get started after a crappy day at the office, I checked as much as I could before plugging it in. All cards were properly seated, tubes had all the glycol in the world, ...
And so I decided to turn it on... completely overlooking the fact that we have 220V over here of course and that the PJ was still set for 110.
A fierce *BANG* later, I could forget all about testing it tonight...
So, aside from telling me that I'm a complete ass, which I am of course, could anyone tell me which boards might have been impacted? Along with some Part NRs?
Are we talking quadrupler, SMPS, EHT, ...???
thanks in advance for any help with this. I would really welcome it after this nightmare...
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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: Thu Feb 21, 2008 7:19 pm Post subject: |
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Just the AC input board and the SMPS. WIth luck maybe all you popped was the AC input board fuses.
The SMPS should be an easy repair, I've got piles of spare AC input boards. Everything else 'downstream' in the set should be fine.
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 7:35 pm Post subject: |
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| Curt Palme wrote: | Just the AC input board and the SMPS. WIth luck maybe all you popped was the AC input board fuses.
The SMPS should be an easy repair, I've got piles of spare AC input boards. Everything else 'downstream' in the set should be fine. |
Well the 6F11A capacitor on the board perpendicular to the SMPS sure blew a gasket that's for sure!
If I was able to replace that, would it be worth a shot to try and firing it up again (albeit at 230V of course, I already set the jumper correctly this time...)
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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: Thu Feb 21, 2008 7:43 pm Post subject: |
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Post a pix of that cap.
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 7:58 pm Post subject: |
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I know it's crappy quality, but it's the best I could do for now...
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 7:58 pm Post subject: |
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It's more towards the bottom of the pic btw, under the blue thingie 
You can even see it tore open, litterally popped its top...
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Thu Feb 21, 2008 8:28 pm Post subject: |
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That's EHT board 300V line cap, it's before EHT board fuse. So check also that only fuse in that board, probably it's fried and it saved board.
Check also fuses from main input and smps boards.
Last edited by Ile on Thu Feb 21, 2008 8:56 pm; edited 2 times in total
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 8:47 pm Post subject: |
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| Ile wrote: | That's EHT board 300V line cap, it's before EHT board fuse. So check also that only fuse in that board, probably it's fried and it saved board.
Check also fuses from main input and smps boards. |
At first glance the SMPS looks ok. Don't notice anything out of the ordinary on visual inspection but of course that doesn't necessarily mean anything.
The fuse on the SMPS (T125MA) also looks fine. Hope you're right and that the EHT did indeed save the rest.
What do you mean by fuses on the main input btw?
I can use an EHT from a BG808s for testing purposes. Would that work?
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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: Thu Feb 21, 2008 8:55 pm Post subject: |
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Pull the EHT board and power the set up again. See if it powers up, all the green lights are on on the G2 board, but without the EHT board, you'll get no picture.
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Thu Feb 21, 2008 8:55 pm Post subject: |
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| DisTreSs wrote: | At first glance the SMPS looks ok. Don't notice anything out of the ordinary on visual inspection but of course that doesn't necessarily mean anything.
The fuse on the SMPS (T125MA) also looks fine. Hope you're right and that the EHT did indeed save the rest.
What do you mean by fuses on the main input btw?
I can use an EHT from a BG808s for testing purposes. Would that work? |
First fuses are in main input board (AC board), next to that 120/230V jumper.
Use 5A fuses in main input board with 230V. There probably is 10A that is meant for 120V and that could be reason why those didn't worked properly and EHT cap fried.
Check part number of that EHT, there is two types in both pj's.
http://www.curtpalme.com/Barco808_Layout8.shtm
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 10:05 pm Post subject: |
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| Ile wrote: |
First fuses are in main input board (AC board), next to that 120/230V jumper.
Use 5A fuses in main input board with 230V. There probably is 10A that is meant for 120V and that could be reason why those didn't worked properly and EHT cap fried.
Check part number of that EHT, there is two types in both pj's.
http://www.curtpalme.com/Barco808_Layout8.shtm |
Ok there are T10A/250V fuses in the AC input board. So I should replace those with 5A.
I can't check the EHT on the 808s yet. I do know that it was not the most recent 808s so probably not the one with the new EHT. Should work then... But I'm not going to rush into it this time that's for sure
If I try to get the EHT board out of the 1209 now (the PJ's been unhooked for a couple of hours now) is it still delicate to handle? Or should I just leave this till tomorrow to be sure?
Oh and thanks to both you and Curt for giving me some hope on this. Much appreciated...
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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: Thu Feb 21, 2008 10:44 pm Post subject: |
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You're fine, pull it. It's discharged after 10 minutes tops.
Power the set back up. Whatever damage has been done should now be complete..
If you're lucky, all it is is that cap on the EHT board. Hopefully the rest of the set will fire up. Let us know!
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 10:47 pm Post subject: |
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quickly got out the EHT on both machines while I was at it 
They are the same, so after I have replaced the fuses I will finally (if the other boards were unaffected) be able to check this puppy out.
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 10:50 pm Post subject: |
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| Curt Palme wrote: | You're fine, pull it. It's discharged after 10 minutes tops.
Power the set back up. Whatever damage has been done should now be complete..
If you're lucky, all it is is that cap on the EHT board. Hopefully the rest of the set will fire up. Let us know! |
So no need to replace the fuses on the AC input board then Curt?
I won't be able to test it tonight anymore though. It's way past my bedtime and tommorow is TGIF
But it'll sure give me something to look forward to during the day
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Thu Feb 21, 2008 10:52 pm Post subject: |
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totally OT but just had to say it: Cool avatar btw Curt.
Lovin' it...
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perisoft
Joined: 29 Aug 2007
Posts: 2920
Location: Ithaca, NY
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| Posted: Thu Feb 21, 2008 11:07 pm Post subject: |
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What the hell did you take that picture with, Distress? The Hubble space telescope? 
_________________
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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: Thu Feb 21, 2008 11:29 pm Post subject: |
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Well do change the fuses for safety reasons, but as I said, whatever is blown up is blown already. If you don't have the fuses handy, then turn it on as is. If it doesn't fire up, then you'll need to get parts anyways, so you'll have time to get fuses. If it powers up OK, then get the fuses anyways.
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Fri Feb 22, 2008 9:23 am Post subject: |
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| perisoft wrote: | | What the hell did you take that picture with, Distress? The Hubble space telescope? |
Nasa didn't go for that unfortunately... They were too busy taking pics of the most far-off galaxy found so far but personally I think they just pointed it towards earth to get topless pics of my busty neighbour
I had to make due with my cell-phone unfortunately...
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Fri Feb 22, 2008 9:24 am Post subject: |
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| Curt Palme wrote: | | Pull the EHT board and power the set up again. See if it powers up, all the green lights are on on the G2 board, but without the EHT board, you'll get no picture. |
damn I missed this post for some reason last night.
If I had seen it I would've tried it.
Oh well, might as well drop the 808 EHT board in immediately now when I get home...
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DisTreSs
Joined: 19 Nov 2007
Posts: 39
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| Posted: Fri Feb 22, 2008 4:20 pm Post subject: |
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Tried it without the EHT and no luck. She's dead in the water right now...
No leds come on, not on the G2, not the standby led...
So this could still just be down to the fuses on the AC input now right? (crossing fingers)
When I replace those with the T5A ones (which I still have to go get) do they also have to be ceramic ones?
Last edited by DisTreSs on Fri Feb 22, 2008 5:13 pm; edited 1 time in total
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