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Search: Posts Made By: dskall
Forum: Troubleshooting TVs and Video Sources 06-14-2018, 07:04 PM
Replies: 77
Views: 1,634
Posted By dskall
Re: Vizio VW42L FHDTV10A will not turn on without unplugging and plugging TV back in

You did say in #19 that you had a varying voltage. Do you still have that?
Forum: Troubleshooting TVs and Video Sources 06-13-2018, 08:30 PM
Replies: 77
Views: 1,634
Posted By dskall
Re: Vizio VW42L FHDTV10A will not turn on without unplugging and plugging TV back in

I tested the output voltages and the regulators while nothing was working, except for the logo and the back light. Everything tested the same as stated in my findings from my original post except...
Forum: Troubleshooting TVs and Video Sources 05-04-2018, 05:43 PM
Replies: 30
Views: 909
Posted By dskall
Re: Samsung UN60FH6003 yellow tint 3 days after replacing backlights

I know if you buy individual leds. Some batches are on the yellow side. I don't know if they are factory seconds. But they are yellow to begin with.
Forum: Troubleshooting TVs and Video Sources 04-25-2018, 06:18 PM
Replies: 4
Views: 253
Posted By dskall
Re: SAMSUNG PN58A550S1F Power Supply Cycles

If it happens again. You will have to change it. Lots of failures.
Forum: Troubleshooting TVs and Video Sources 04-23-2018, 07:10 PM
Replies: 3
Views: 200
Posted By dskall
Re: 50pj350

Wow. I get mine for free. Right in town. I have one like that. But far worse. I think mine is panel
Forum: Troubleshooting TVs and Video Sources 04-22-2018, 02:51 PM
Replies: 5
Views: 224
Posted By dskall
Re: Vizio M3D550KDE

Possible eeprom fault
Forum: Troubleshooting TVs and Video Sources 04-21-2018, 09:30 PM
Replies: 4
Views: 253
Posted By dskall
Re: SAMSUNG PN58A550S1F Power Supply Cycles

Need good clear straight on pictures of back of tv with cover off and each board. Should be a way of putting tv in test pattern If you have this main board there is a repair kit for it. BN41-00975B
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-09-2018, 05:01 PM
Replies: 164
Views: 44,206
Posted By dskall
Re: CH341a SPI / IC programmer

Does the program itself get updated. Or is it just it just the database?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-09-2018, 01:50 PM
Replies: 164
Views: 44,206
Posted By dskall
Re: CH341a SPI / IC programmer

I have version 1.13. Try to download ver. 1.31 gives me virus alert
Forum: Troubleshooting TVs and Video Sources 03-28-2018, 06:04 PM
Replies: 289
Views: 69,523
Posted By dskall
Re: Eeprom dump thread!

Element ST2947G R10.2 130314
U6
Forum: Troubleshooting TVs and Video Sources 03-23-2018, 11:16 PM
Replies: 289
Views: 69,523
Posted By dskall
Re: Eeprom dump thread!

Emerson LC391EM3 Main Board BA21F0G0401 Z_2
Forum: Troubleshooting TVs and Video Sources 03-16-2018, 06:32 PM
Replies: 9
Views: 353
Posted By dskall
Re: Vizio D32HN-E0 caps in short Help.

Did removing capacitors remove the short? Getting voltage on input pin 2 and out pin 3?
Forum: Troubleshooting TVs and Video Sources 03-16-2018, 04:57 PM
Replies: 9
Views: 353
Posted By dskall
Forum: Troubleshooting TVs and Video Sources 03-12-2018, 01:41 PM
Replies: 20
Views: 7,514
Posted By dskall
Re: Sceptre X32 stays on for about 10 minutes, then turns off.

Referencing above pictures 1st one is CE5 1000uf 10v. If buttons on TV stop responding and TV won't shut off without pulling plug. Check this cap for low uf reading.
Forum: Troubleshooting Computer Displays 02-19-2018, 01:51 PM
Replies: 15
Views: 632
Posted By dskall
Re: RCA LED65G55R120Q TV Set Power issue?

What is voltage on ps_on when unplugged from main board?
Forum: Troubleshooting TVs and Video Sources 02-19-2018, 11:58 AM
Replies: 41
Views: 3,521
Posted By dskall
Re: How to repair Power board BN44-00503A ?

So that is the one to use to lower led current?
Forum: Troubleshooting Computer Displays 02-19-2018, 11:56 AM
Replies: 15
Views: 632
Posted By dskall
Re: RCA LED65G55R120Q TV Set Power issue?

What is voltage on ps_on when you push power button and when in standby? 18 0.4 mv THIS IS LABELED AS BK ON maybe backlight. Other voltages seem OK
Forum: Troubleshooting Computer Displays 02-19-2018, 09:50 AM
Replies: 15
Views: 632
Posted By dskall
Re: RCA LED65G55R120Q TV Set Power issue?

Do you see an image if you put a flashlight up to the screen?
Forum: Troubleshooting TVs and Video Sources 02-18-2018, 11:58 PM
Replies: 41
Views: 3,521
Posted By dskall
Re: How to repair Power board BN44-00503A ?

This schematic must be a little different. I have an R9120 that is 2 ohms and about 1 watt. Would that be the one to change/increase?
Forum: Troubleshooting TVs and Video Sources 02-18-2018, 11:18 PM
Replies: 41
Views: 3,521
Posted By dskall
Forum: Troubleshooting TVs and Video Sources 02-18-2018, 09:56 PM
Replies: 41
Views: 3,521
Posted By dskall
Re: How to repair Power board BN44-00503A ?

Trying to modify led current. I believe R9113 is the CS sense resistor. But I've been wrong before
Forum: Troubleshooting TVs and Video Sources 02-15-2018, 06:15 PM
Replies: 9
Views: 454
Posted By dskall
Re: Samsung UN55H6300AF

corrupt eeprom
Forum: Troubleshooting TVs and Video Sources 02-14-2018, 08:39 PM
Replies: 141
Views: 14,067
Posted By dskall
Re: Post The Led Backlights Your Fixing Here.

I was thinking about this subject the other day because it was confusing me to. Of course it is just ohm's law. I am just learning this stuff.
Forum: Troubleshooting TVs and Video Sources 02-14-2018, 07:22 PM
Replies: 141
Views: 14,067
Posted By dskall
Re: Post The Led Backlights Your Fixing Here.

Current is same throughout series circuit. Each led will have same current. But voltage will have to change each time you add led to maintain current
Forum: Troubleshooting TVs and Video Sources 02-14-2018, 05:47 PM
Replies: 141
Views: 14,067
Posted By dskall
Re: Post The Led Backlights Your Fixing Here.

Vizio will drive theirs around 400ma which is why they don't last. Funny thing is you can modify current to about half and they are still plenty bright. Makes you wonder if it is preplanned...
Showing results 1 to 25 of 500

 
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