Forum: Troubleshooting Audio Equipment
02-14-2022, 01:25 PM
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Replies: 85
Views: 4,825
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Forum: Troubleshooting TVs and Video Sources
02-14-2022, 01:23 PM
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Replies: 1
Views: 249
Samsung PN51E450 Plasma Vertical Lines
Friend of mine has a Samsung Plasma panel with some vertical lines that are starting to form on the screen.....Ive never worked on a plasma panel, so Im not sure what to look for, would this...
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Forum: Troubleshooting Audio Equipment
01-25-2022, 07:42 AM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
this is as far as I have gotten....See picture for details on good/bad components......im sure you guys can see some sort of pattern or where the source of the issue is/was??
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Forum: Troubleshooting Audio Equipment
01-24-2022, 01:31 PM
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Replies: 85
Views: 4,825
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Forum: Troubleshooting Audio Equipment
01-24-2022, 11:34 AM
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Replies: 85
Views: 4,825
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Forum: Troubleshooting Audio Equipment
01-24-2022, 11:13 AM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Looks like some of the resistors burned up, Im guessing that's where I let the magic smoke out.......In looking at the documentation, Im not seeing specifications for the required wattage, I think I...
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Forum: Troubleshooting Audio Equipment
01-19-2022, 07:45 AM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Amazing, thanks for the help with that....
Also is it ok to test the transistors in circuit, vs out of circuit, I just want to be as thorough as possible with my troubleshooting, but dont want to...
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Forum: Troubleshooting Audio Equipment
01-18-2022, 01:44 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Ok, so I am tracing the circuit back and the next transistors for each channel, from what I can gather are Q509-Q512, I took those out of circuit and tested them, two of which are PNP, and the other...
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Forum: Troubleshooting Audio Equipment
01-17-2022, 02:02 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
So I tested out the 4 main transistors and all 4 are shorted out......:( I removed them from circuit just to check all of them, and they are all indeed shorted out.
Then I plugged it in and...
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Forum: Troubleshooting Audio Equipment
01-17-2022, 12:07 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Ok, I'll see what I can do.....
I appreciate the help, will update with my findings......
If you get a chance to take a look at the schematic that would be awesome....whenever you would have...
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Forum: Troubleshooting Audio Equipment
01-17-2022, 09:47 AM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Can you be a bit more specific and take a look at the circuit diagram, just to point me in the right direction as to where to start to look?
Any help is appreciated....
Thanks so much.....
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Forum: Troubleshooting Audio Equipment
01-13-2022, 12:15 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
So I was able to replace the suspect cap, and started re-assembly....now I have a different problem.....
As I started to re-assemble, in between mounting boards and re-installing screws, I would...
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Forum: Troubleshooting Computer Displays
01-13-2022, 08:51 AM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
FYI, I replaced the 0.47uf cap and it's working now, I appreciate the help....
Here's a pic of the screen afer cap replacement....
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Forum: Troubleshooting Computer Displays
01-07-2022, 09:07 PM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
Yep, I appreciate the help, I actually replaced every cap on the SMPS, so the bad one was the only one I didn't have on hand.....go figure.......
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Forum: Troubleshooting Computer Displays
01-07-2022, 05:49 PM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
Before I saw your reply, I soldered in the 2.2uf in place of the 0.47uf just to try it, and it came right on.....I'll get a new 0.47uf and put that in its place when it comes in......I'll update when...
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Forum: Troubleshooting Computer Displays
01-07-2022, 03:51 PM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
I have two caps, one of 2.2uf and another is 0.22uf, will either of those be ok???
both are rated at 50v
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Forum: Troubleshooting Computer Displays
01-07-2022, 03:34 PM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
Is it possible to subsitute the 0.47uf cap @ C107 with another value? I found a cap to replace C109, but dont have one for C107, not sure if that's a possibility or not?????
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Forum: Troubleshooting Computer Displays
01-07-2022, 01:45 PM
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Replies: 9
Views: 588
Re: LG Flatron L1910S DEAD
I changed out C205/C206 with new caps 1000uf/25v, but no change, I guess I'll need to source new caps for C109 and C107, as I dont have those values on hand......
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Forum: Troubleshooting Computer Displays
01-07-2022, 11:19 AM
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Replies: 9
Views: 588
LG Flatron L1910S DEAD
I have a LG Flatron L1910S that is dead, no led's no backlight nothing.......I took off the back and took a look at the caps, all appear to be good, although I know that's not a true test......I took...
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Forum: Troubleshooting Audio Equipment
01-06-2022, 08:34 AM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Ahh, good eye, I took another look at the cap, and I think you're right! makes better sense to me now, It does look like it could have leaked electrolyte......
Thanks for your patience with my...
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Forum: Troubleshooting Audio Equipment
01-05-2022, 08:39 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Physically the cap looks fine, doesnt look bulging or otherwise broken anywhere, although I know that just because it looks fine physically that doesnt mean that it's a good component....It does test...
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Forum: Troubleshooting Audio Equipment
01-05-2022, 06:54 PM
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Replies: 85
Views: 4,825
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Forum: Troubleshooting Audio Equipment
01-04-2022, 01:07 PM
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Replies: 85
Views: 4,825
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Forum: Troubleshooting Audio Equipment
01-04-2022, 12:49 PM
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Replies: 85
Views: 4,825
Re: Pioneer VSX-3300 Receiver Wont Power On
Check page 2, and page 7, I think it is polarized, at least from what I can find......Hopefully I picked an ok one, cause I couldnt find any close equivalent on the electrolytic side of selection on...
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Forum: Troubleshooting Audio Equipment
01-04-2022, 11:33 AM
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Replies: 85
Views: 4,825
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