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Search: Posts Made By: ghiotom
Forum: Troubleshooting TVs and Video Sources 01-26-2013, 10:36 AM
Replies: 3
Views: 1,283
Posted By ghiotom
Re: 50PF9830a/37 Philips Plasma Clay Face? Posterizing?

Thanks Tom. The voltages are spot on with the values on the sticker. I can vary the number of dots by changing Yrr/Yfr, but it has no effect on the pastel effects. Like I said, sometimes it will just...
Forum: Troubleshooting TVs and Video Sources 01-25-2013, 07:08 PM
Replies: 3
Views: 1,283
Posted By ghiotom
50PF9830a/37 Philips Plasma Clay Face? Posterizing?

I'm not sure of the proper terminology for this problem, but if you zoom in on the picture you will notice purple dots, banding, and pastel looking faces. Sometimes the screen will flicker and the...
Forum: General Electronics Technical Discussion 01-17-2013, 07:02 PM
Replies: 8
Views: 2,765
Posted By ghiotom
Re: Hakko 808 Nozzles

I have found that tip (A1005) to be the perfect size. Occasionally, I'll come across a large component or a heat shield that is too large for the opening.
Forum: Troubleshooting TVs and Video Sources 01-06-2013, 05:28 PM
Replies: 15
Views: 3,172
Posted By ghiotom
Re: LG 42PC3D - dim picture, black jaggies?

If you press and hold the menu button on the set and then press and hold the menu button on the remote it will bring up a menu that will have the information. You may have to do it in reverse order,...
Forum: Frequently Asked Questions (No Posting) 01-02-2013, 05:45 PM
Replies: 38
Views: 26,838
Posted By ghiotom
Re: How a plasma display panel (PDP) works

Holey moley!! That's like 18 hours a day, every day!
Forum: Troubleshooting TVs and Video Sources 12-27-2012, 07:34 PM
Replies: 4
Views: 1,858
Posted By ghiotom
Re: Aftermarket Replacement LCD Panels?

I think every one they listed was sold out.
Forum: Troubleshooting TVs and Video Sources 12-26-2012, 11:14 AM
Replies: 252
Views: 26,023
Posted By ghiotom
Re: Samsung 50" Plasma HPT5044 No Picture

I don't know if having the buffers removed makes a difference, but here's a working 50" Samsung panel image. Your image looks more like the abnormal image on pg 54 referring to the Vsch voltage. It...
Forum: Troubleshooting TVs and Video Sources 12-20-2012, 12:29 PM
Replies: 6
Views: 850
Posted By ghiotom
Re: Viero PDP42V18HA short on Z-SUS?

My advice is to treat yourself to a Christmas gift and get yourself a Hakko 808 desoldering gun.
Forum: Troubleshooting TVs and Video Sources 12-11-2012, 06:54 PM
Replies: 67
Views: 12,648
Posted By ghiotom
Re: First plasma, LG 42PC5D. Sound but no picture. Help me make sense of this.

Did you check the IPM on the Ysus board for shorts? The fact you aren't even getting a dim image I would think would point to the Y sus board.
Forum: Troubleshooting TVs and Video Sources 12-09-2012, 12:26 PM
Replies: 24
Views: 2,573
Posted By ghiotom
Re: Need guidance scoping YSUS board.

Try setting the time to 2 milliseconds.
Forum: Troubleshooting TVs and Video Sources 12-09-2012, 09:30 AM
Replies: 24
Views: 2,573
Posted By ghiotom
Re: Need guidance scoping YSUS board.

Assuming your input can accept up to 400 volts, put your probe on 10x and volts/div to 100 volts. Ground goes to any nearby screw or other point attached to the chassis. You might want to pull or...
Forum: Troubleshooting TVs and Video Sources 12-07-2012, 12:02 PM
Replies: 100
Views: 22,352
Posted By ghiotom
Re: Lg 42" plasma model p2pc3d-ud

I would still like to know where you get the files to upgrade the chip with. Capkid, did you order your jig from MCM? Keep us updated. I've heard mixed reviews on firmware upgrades solving the...
Forum: Troubleshooting TVs and Video Sources 11-19-2012, 10:49 AM
Replies: 100
Views: 22,352
Posted By ghiotom
Re: Lg 42" plasma model p2pc3d-ud

Where did you find the files to flash the chip with and what kind of programmer did you use?
Forum: Troubleshooting TVs and Video Sources 11-15-2012, 06:21 AM
Replies: 68
Views: 6,700
Posted By ghiotom
Re: LG 42PC1DA Plasma Sound but blank screen

Have you ruled out the Y-Buffer board? If all of your DC voltages are correct and you have the correct waveform coming out of your Y-Sus board, could the buffer board be the problem? BTW, I have a...
Forum: Troubleshooting TVs and Video Sources 11-14-2012, 04:33 PM
Replies: 68
Views: 6,700
Posted By ghiotom
Re: LG 42PC1DA Plasma Sound but blank screen

Even with the Zsus board disconnected, you should get a dim image on the screen.
Forum: Troubleshooting TVs and Video Sources 11-14-2012, 08:26 AM
Replies: 68
Views: 6,700
Posted By ghiotom
Re: LG 42PC1DA Plasma Sound but blank screen

Are you sure you're getting 15V at the IPM on the Zsus board?
Forum: Troubleshooting TVs and Video Sources 11-01-2012, 05:16 PM
Replies: 13
Views: 1,720
Posted By ghiotom
Re: Vsetup voltage in a Plasma Question

UPDATE: For those who might come upon this thread in a future search, the Vsetup (Vrr) voltage was indeed missing. The first pic shows the original waveform with the Vsetup missing and the second pic...
Forum: General Electronics Technical Discussion 10-31-2012, 08:14 PM
Replies: 5
Views: 1,424
Posted By ghiotom
Re: can you recommend soldering tools/supplies

A Hakko 808 desoldering gun is a great investment if you are going to do a lot of component level repairs. May seem a little pricey, but once you use it, you'll wonder what took you so long to get...
Forum: Troubleshooting TVs and Video Sources 10-24-2012, 06:12 AM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

Duncanbest, I don't know how you came up with that, I looked everywhere, but I am impressed. I'm guessing that a lot of these common parts are made by Chinese companies with unconventional...
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 07:08 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

Ultimately, that's probably what I'll have to do, but since I'm waiting for some parts to come in, I can wait and see if anybody else has any other ideas.
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 06:37 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

Unfortunately, I don't know what I can use to replace it. All I know is that it is a diode. Like I said I need to replace it after the leg snapped off right against the body of the diode.
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 06:08 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

Thank you all for your very timely help. The diode in question is actually in this photo. The previous shot was a diode with similar markings that I was able to get a clearer view of, so I apologize...
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 03:47 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

I'm sorry, I'm an idiot. Indeed it is LJ41-02317A.
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 03:26 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Re: Need Help Identifying An SMD Diode

The markings on the board are D5019 so I don't think it is a zener. The board is LJ-02317A.
Forum: Troubleshooting TVs and Video Sources 10-23-2012, 02:35 PM
Replies: 17
Views: 4,719
Posted By ghiotom
Need Help Identifying An SMD Diode

The markings are F4 5D and it's about 4 mm long. This is on a Samsung Y sus board. There are 4 or 5 of these spread around on this board. Google couldn't help.
Showing results 1 to 25 of 33

 
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