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Search: Posts Made By: HAHOMETP
Forum: Troubleshooting Computer Displays 08-14-2018, 10:04 PM
Replies: 27
Views: 10,319
Posted By HAHOMETP
Re: Dell 2408WFPb / 2408WFP - 7 seconds to black

Had to take this monitor apart again. It has begun cutting out intermittently. Sometimes it would start up after 10-20 presses of the power button and sometimes would not start at all.



Turns...
Forum: Troubleshooting Computer Displays 10-26-2017, 04:27 PM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Lxixboss,

in the fist two pictures attached to my post 12 you can see that on the left hand side the monitor shows the bright blue desktop which is the true colour. The middle of the desktop is...
Forum: Troubleshooting Computer Displays 06-19-2017, 09:59 PM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Not that I know of. Have a look at this thread on the same subject (http://www.badcaps.net/forum/showthread.php?t=49281.).
Forum: Troubleshooting TVs and Video Sources 06-19-2017, 01:24 PM
Replies: 941
Views: 137,187
Posted By HAHOMETP
Re: e701i-a3 no picture but backlights

No issues, everything is perfect.
Forum: Troubleshooting TVs and Video Sources 06-19-2017, 08:57 AM
Replies: 941
Views: 137,187
Posted By HAHOMETP
Re: e701i-a3 no picture but backlights

Just used this method to fix my Dell 3007wfp monitor (http://www.badcaps.net/forum/showpost.php?p=752697&postcount=12). Thanks again, folks!
Forum: Troubleshooting Computer Displays 06-19-2017, 08:51 AM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Happy to report that the saga is finally over. The method that I had used to fix a Vizio M60-C3 HDTV (http://www.badcaps.net/forum/showthread.php?t=60531) back in February has worked just as well on...
Forum: Troubleshooting TVs and Video Sources 02-20-2017, 12:47 PM
Replies: 941
Views: 137,187
Posted By HAHOMETP
Re: e701i-a3 no picture but backlights

freakaftr8,

I want to thank you for this great method! I have just fixed a 60-inch M60-C3 contrary to the popular belief that this method only works for the 70-inch models and higher. Please take...
Forum: Troubleshooting TVs and Video Sources 02-20-2017, 09:06 AM
Replies: 7
Views: 1,360
Posted By HAHOMETP
Re: Vizio M60-C3: no picture, backlight works.

No, I did not. I don't have an EEPROM reader.

I suspect that the problem is power related more than anything else. The IC driver(s) on the side flex circuit of the LCD was pulling too much...
Forum: Troubleshooting TVs and Video Sources 02-20-2017, 08:39 AM
Replies: 7
Views: 1,360
Posted By HAHOMETP
Re: Vizio M60-C3: no picture, backlight works.

I would like to repair the bad T-Con board that originally came with this TV now that I have two identical boards, one working and one not, side by side. The T-Con model is RUNTK5556TP and there is...
Forum: Troubleshooting TVs and Video Sources 02-20-2017, 07:59 AM
Replies: 7
Views: 1,360
Posted By HAHOMETP
Vizio M60-C3: no picture, backlight works.

Folks,

A while ago a dead Vizio M60-C3 had landed in my lap. Its PSU (Vizio: 1P-1151801-1012) was not showing any secondary voltages. I started a separate topic about this problem ...
Forum: Troubleshooting TVs and Video Sources 02-13-2017, 04:47 PM
Replies: 1
Views: 773
Posted By HAHOMETP
Vizio M60-C3: dead PSU

Folks,

I have this Vizio M60-C3 with the PSU not showing any secondary voltages whatsoever. The main bridge rectifier shows 160v DC between M10 and M11 pins. No voltages on any pin of CN201, CN301...
Forum: Troubleshooting TVs and Video Sources 09-04-2016, 05:48 PM
Replies: 6
Views: 4,056
Posted By HAHOMETP
Re: Strange Delta DPS-222BP power supply behavior

Scored a "DPS-222BP A" (RUNTKA857WJQZ) power supply board at a great price. Although this PCB is technically from another model, the display none the less is working fine. Here's the conclusion for...
Forum: Troubleshooting TVs and Video Sources 08-27-2016, 05:20 PM
Replies: 6
Views: 4,056
Posted By HAHOMETP
Strange Delta DPS-222BP power supply behavior

This PSU was installed in a number of Sharp products: PN-L702B; PN-E702; LCD-70X560A; LC-70LE632U; LC-70LE732U and LC-70LE735M to name a few.

I have an unusual backlight problem in this 70" Sharp...
Forum: Troubleshooting TVs and Video Sources 08-24-2016, 01:03 PM
Replies: 1
Views: 1,228
Posted By HAHOMETP
Re: Sharp PN-L702B, same as PN-E702

Update.

Bought a burnt strip from ebay for cheap and scavenged the LEDs. Soldered one onto the strip and now I have a functional (but still not working) backlight and a bunch of proper Sharp LEDs...
Forum: Troubleshooting Computer Displays 08-20-2016, 08:16 PM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Update 2.

After working fine for a few hours the monitor is now flashing random horizontal stripes again. The replacement T-con board did not help. :(
Forum: Troubleshooting Computer Displays 08-20-2016, 03:37 PM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Update.

A replacement T-con board from ebay has cured the problem. The issue is closed.
Forum: Troubleshooting TVs and Video Sources 08-18-2016, 08:42 PM
Replies: 1
Views: 1,228
Posted By HAHOMETP
Sharp PN-L702B presentation monitor, same as PN-E702

Folks,

I am troubleshooting the backlight problem in this presentation monitor. The backlight is comprised of 14 pairs of LED strips; each strip has 15 LEDs => there are 30 LEDs in series per...
Forum: Troubleshooting Computer Displays 08-15-2016, 07:36 PM
Replies: 15
Views: 4,217
Posted By HAHOMETP
Re: 3007wfp screen flicker after warmup

Folks,

One of my 3007wfp has developed exactly the same problem as shown in the animated gif posted above by the OP. It would work perfectly well from cold but after some time strange shadows...
Forum: Troubleshooting TVs and Video Sources 12-30-2015, 10:11 AM
Replies: 3
Views: 627
Posted By HAHOMETP
Re: Accidentally shorted out and burned 1 out of 8 LCD flex circuits

That's pretty much what I thought. Thanks, folks.
Forum: Troubleshooting TVs and Video Sources 12-29-2015, 07:00 PM
Replies: 3
Views: 627
Posted By HAHOMETP
Accidentally shorted out and burned 1 out of 8 LCD flex circuits

Is this a death verdict, folks? The LCD is good otherwise. Pix below.
Forum: Troubleshooting TVs and Video Sources 08-31-2015, 04:28 PM
Replies: 36
Views: 2,977
Posted By HAHOMETP
Re: Dead Insignia 42" NS-L42Q-10A

A follow up for the archives. Bought a working motherboard off ebay and the TV is alive again.
Forum: Troubleshooting TVs and Video Sources 08-09-2015, 09:41 PM
Replies: 36
Views: 2,977
Posted By HAHOMETP
Re: Dead Insignia 42" NS-L42Q-10A

Folks,

I hope Spork Schivago does not object that I decided to continue his thread rather than start my own because my symptoms are almost exactly like the ones described in the OP with a few...
Forum: Troubleshooting Computer Displays 01-28-2015, 04:12 PM
Replies: 11
Views: 2,375
Posted By HAHOMETP
Re: Dell 2408WFPB (Samsung LTM240CS05) display issue

I got screwed three times out of three when tried to buy directly from China (Ali and the like).

IMO these people seem to value quick rip-off more than the long term business relationship. Will...
Forum: Troubleshooting Computer Displays 01-25-2015, 07:30 PM
Replies: 11
Views: 2,375
Posted By HAHOMETP
Re: Dell 2408WFPB (Samsung LTM240CS05) display issue

In my case it was a T-Con board. You might find this thread (http://www.badcaps.net/forum/showthread.php?t=42484) useful.

I bought my board from the seller "mahmoudhassan11". He has one more left...
Forum: Troubleshooting Computer Displays 01-25-2015, 07:27 PM
Replies: 43
Views: 5,606
Posted By HAHOMETP
Re: Dell 2408WFPb: multicolour vertical stripes

An update. A used T-Con board off ebay (20 bux delivered) has fixed the issue.
Showing results 1 to 25 of 88

 
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