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Search: Posts Made By: r-p
Forum: Troubleshooting Computer Displays 05-12-2020, 03:37 AM
Replies: 550
Views: 263,662
Posted By r-p
Re: Dell 2407WFPb Monitor - Bad Cap

The lower soldering has clear separate strands visible. I'd like to see a nice smooth blob of solder cover them and keep them together. But I think it will be OK, I'm just nitpicking.

Yours looks,...
Forum: Troubleshooting TVs and Video Sources 01-21-2020, 05:16 PM
Replies: 0
Views: 132
Posted By r-p
Maldischarge-link that fixes it with replacing caps

Starting this thread because Capkid doesn't seem to be reprogramming controlboards anymore (LG 60PZ950 with red maldischarge) and my game-plasma also has maldischarge (Hitachi 42PD3200). So I will...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-18-2019, 04:38 PM
Replies: 11
Views: 3,365
Posted By r-p
Re: Fun with a new 100W power supply...

It would whistle when driving above 100km/h or when the wind was hitting it at a certain angle... Then again, many campervans have them mounted on the roof.




Obviously you know that an...
Forum: Other Devices with Bad Capacitors 11-03-2019, 03:02 PM
Replies: 10
Views: 3,783
Posted By r-p
Re: Pic of cap, is it a Badcap?

Hi. Since I never throw something out... it was easy to find the old cap again.

The blue one is the old cap. The brown one is the replacement sent by the company. But it is build-in, and obviously...
Forum: Other Devices with Bad Capacitors 11-02-2019, 03:18 PM
Replies: 10
Views: 3,783
Posted By r-p
Re: Pic of cap, is it a Badcap?

Follow up: I replaced the cap with a (probably) Chinese capacitor of pretty much same size and little bigger capacitance and it worked perfectly. (450V 470uF 105șC iirc instead of the original...
Forum: Troubleshooting Power Supplies and Power Supply Design 08-10-2019, 12:52 AM
Replies: 11
Views: 3,365
Posted By r-p
Re: Fun with a new 100W power supply...

This is my 185Wp powersupply...

https://i.imgur.com/hq2DE06l.jpg

Mounted in about an hour (pressed for time, including railings, wiring etc.) last year before driving into the UK during what...
Forum: General Electronics Technical Discussion 09-23-2018, 03:48 PM
Replies: 2
Views: 654
Posted By r-p
Re: "Power Optimizer" (solar) internals

We've had discussions on an electronics forum about the working, but no one has ever opened one (from the people who contributed).

Father-in-law has a SolarEdge system. These optimizers deliver...
Forum: Troubleshooting TVs and Video Sources 09-23-2018, 03:18 PM
Replies: 4
Views: 480
Posted By r-p
Re: Adding fans to Panasonic Plasma

I often use the 5V powersupply which is normally strong enough (enough current capability to run a few extra fans) or indeed a 12-15V supply with some resistors. Not all 12V fans will run, or better...
Forum: Troubleshooting TVs and Video Sources 09-23-2018, 02:51 PM
Replies: 3
Views: 333
Posted By r-p
Re: SONY PFM-42B1E error, pic inside

I'll go and fiddle with the voltages. Which is hard as it is very heavy and I don't have an official stand for it. The stand I made for it won't let me get to the PCB's in the back.. But knowing it...
Forum: Troubleshooting TVs and Video Sources 09-23-2018, 06:16 AM
Replies: 3
Views: 333
Posted By r-p
SONY PFM-42B1E error, pic inside

So what's wrong with this one?


I have several Plasma's (all gotten for free/picked up from the trash).
My 60" LG needs reprogramming of the ctrl board because of the red pixel storm issue, and...
Forum: Troubleshooting Computer Displays 08-27-2018, 04:36 AM
Replies: 550
Views: 263,662
Posted By r-p
Re: Dell 2407WFPb Monitor - Bad Cap

Edit: nevermind... The guy using 24V was me and all my measurements were with my then faulty powersupply (since replaced the capacitor and it is fine again), so any measurement I did back then is...
Forum: Troubleshooting TVs and Video Sources 03-02-2018, 07:02 AM
Replies: 2
Views: 454
Posted By r-p
Re: Picture disappears after minutes Hitatchi 42PD3200

We decommissioned it because it displayed the failure-mode (=going black) on about 4 separate occasions on two different days.

I just played on it for 15 minutes and it won't go black :crying:...
Forum: Troubleshooting TVs and Video Sources 02-28-2018, 04:38 AM
Replies: 2
Views: 454
Posted By r-p
Picture disappears after minutes Hitatchi 42PD3200

Game monitor. Green snow/haze issue since getting it, but worked acceptable for few years. Then it got worse, tweaked voltages and works fine again and mounted it on a stand with wheels, but no sound...
Forum: Troubleshooting Computer Displays 02-26-2018, 03:53 PM
Replies: 550
Views: 263,662
Posted By r-p
Re: Dell 2407WFPb Monitor - Bad Cap

Wow, didn't know these boards were this cheap!

I think I'll order one, 5 years after initially finding this thread, deciding the powersupply board was beyond economical repair and having run the...
Forum: Troubleshooting TVs and Video Sources 02-19-2017, 03:28 PM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

I have been fiddling with the voltages, but could not find any settings to get it better.

I used this thread (http://www.badcaps.net/forum/showthread.php?t=33393) to trigger the testimage setting...
Forum: Troubleshooting TVs and Video Sources 02-19-2017, 06:58 AM
Replies: 53
Views: 37,019
Posted By r-p
Re: Panasonic TH-42PZ80U Plasma Red Screen Issues

This is a very believable explanation, but/and the only decent one I can find after reading 100+ threads on the subject.
Can I ask where you got this insight?

I assume this will be similar for...
Forum: General Electronics Technical Discussion 01-13-2017, 02:34 PM
Replies: 6
Views: 2,494
Posted By r-p
Re: Two wattmeters: 0W and 25W, which one is true?

Sorry for the slow answer, but I have since chalked this up to the Silvercrest being a piece of crap.
Forum: Troubleshooting TVs and Video Sources 08-11-2016, 12:33 PM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

I probed all connectors with a wooden spoon, but no luck.

I reseated the flatcables one by one on the controlboard and this didn't fix anything.

I resoldered the connector for the flatcable...
Forum: Troubleshooting TVs and Video Sources 07-08-2016, 03:38 AM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

TV has worked flawlessly for >3 months now (2-6 hours a day) until yesterday. The issue resurfaced, went away completely for an hour or two and resurfaced again.

Finally a chance to use the fans...
Forum: Troubleshooting TVs and Video Sources 07-08-2016, 03:36 AM
Replies: 9
Views: 2,346
Posted By r-p
Forum: General Electronics Technical Discussion 04-18-2016, 02:23 PM
Replies: 5
Views: 2,346
Posted By r-p
Re: PIR sensor died on LED floodlight

What's a vanilla pir ? I get tons of dirty download links when I google that ;)

I will have a look at the electrolitic capacitors and compare some more schematics of circuits. I found a few...
Forum: General Electronics Technical Discussion 04-13-2016, 08:35 AM
Replies: 5
Views: 2,346
Posted By r-p
PIR sensor died on LED floodlight

I should be able to figure this out, but am lost for the moment.
Any experts on here? I do not have a working scope at the moment, but have plenty multimeters.


Replaced the actual infrared...
Forum: Troubleshooting TVs and Video Sources 03-20-2016, 06:10 AM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

Added a heatsink with a stickypad (came with the heatsink, so I assume it has the workings of heatsinkpaste) to the processor of the control board.

Added a fan to the mainboard heatsink, but it...
Forum: Troubleshooting TVs and Video Sources 03-16-2016, 12:32 PM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

I readjusted all voltages (Vy, Vs, Va, Vsc, Vsb) but all were within 0.7V to begin with.
I checked all FETs and diodes as per the repair manual (downloaded from Electrotanya) for "picture problems"....
Forum: Troubleshooting TVs and Video Sources 03-04-2016, 05:32 AM
Replies: 9
Views: 2,346
Posted By r-p
Re: Occasional red picture on LG 60PZ950

I guess you're referring to the last pic :) Or the red-issue too?

We switched to leadfree at work for repairs. I found it worthless to work with. And that's an understatement. An electronics...
Showing results 1 to 25 of 39

 
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