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Search: Posts Made By: SLK001
Forum: Troubleshooting TVs and Video Sources 09-10-2019, 06:59 PM
Replies: 11
Views: 786
Posted By SLK001
Re: How to diagnose whether a TV LED is bad (without using an LED tester)?

I've never seen a strip with resistors on it.

The PS ramps up current until a certain value is obtained (up to its maximum voltage capability). Good strips and strips with bad LEDs will have...
Forum: Troubleshooting TVs and Video Sources 09-09-2019, 07:09 PM
Replies: 3
Views: 266
Posted By SLK001
Re: Vizio m422i-b1 no channels

Plug a 36" length of 18-20 ga wire in the antenna jack and scan for local channels and bend it vertically. You have to select antenna in the setup (somewhere). If it doesn't find any, I would...
Forum: Troubleshooting TVs and Video Sources 08-31-2019, 07:01 AM
Replies: 6
Views: 585
Posted By SLK001
Re: Am I likely to have damaged the LCD

Good job - the panel gods were on your side this time.

A lot of times, a repaired LED will show these hot spots due to the lens not being replaced in its exact prior position. The way I do it is...
Forum: Troubleshooting TVs and Video Sources 08-25-2019, 02:24 PM
Replies: 31
Views: 1,533
Posted By SLK001
Re: Vizio E550i-B2 no power, no sound, no LED -- blown IC found

A capacitor does NOT have ANY continuity. What you are seeing is the charging of the cap by your meter, which makes it seem that there is continuity, but it is a false indication. If you DO see...
Forum: Troubleshooting TVs and Video Sources 08-25-2019, 02:18 PM
Replies: 17
Views: 978
Posted By SLK001
Re: Samsung UN65MU8000FXZA Panel Removal

I love those HF angle grinders. I have 3 around the house right now. Pretty much my go to work horses when it comes to steel work. One has a cut-off disk, one has a grinding disk and one has a...
Forum: Troubleshooting TVs and Video Sources 08-25-2019, 07:41 AM
Replies: 17
Views: 978
Posted By SLK001
Re: Samsung UN65MU8000FXZA Panel Removal

What's a whammo jammo 5000 tool?

What kind of rivets are they? I can understand the rivets - the LEDs create so much heat that the bar must ALWAYS be in contact with some type of heat sink,...
Forum: Troubleshooting TVs and Video Sources 08-24-2019, 08:46 PM
Replies: 6
Views: 585
Posted By SLK001
Re: Am I likely to have damaged the LCD

Lifting a panel to the vertical from a flat position is a good recipe for a broken panel. A panel simply cannot support its own weight when lifted from the edges. I use a pair of dual suction cups...
Forum: Troubleshooting TVs and Video Sources 08-06-2019, 03:01 PM
Replies: 7
Views: 353
Posted By SLK001
Re: 50PA4500 safety

Yes, it is normal that if you fix broken TVs, you will often receive a healthy shock. You will get used to it.
Forum: Troubleshooting TVs and Video Sources 08-01-2019, 04:35 PM
Replies: 17
Views: 885
Posted By SLK001
Re: Sony XBR75X850C

Do a forum search. This has been discussed in other threads. I started a thread on exactly this issue.
Forum: Troubleshooting TVs and Video Sources 07-30-2019, 08:09 AM
Replies: 14
Views: 767
Posted By SLK001
Re: Samsung UN60H7150AF Power Supply

I just noticed an error in my original post. The power supply model is BN44-00716A, not BA44-00716A.
Forum: Troubleshooting TVs and Video Sources 07-28-2019, 03:44 PM
Replies: 17
Views: 978
Posted By SLK001
Re: Samsung UN65MU8000FXZA Panel Removal

Don't use a heat gun - too much heat. Use a hair dryer.

I still would bet that the bezel just snaps off once the screws are removed. There appears to be a metal bar across the bottom. That has...
Forum: Troubleshooting TVs and Video Sources 07-27-2019, 08:17 AM
Replies: 17
Views: 978
Posted By SLK001
Re: Samsung UN65MU8000FXZA Panel Removal

I've yet to see a service manual that details how to remove a panel - if the SM is even available. Look for the bezel snapping into the main frame. I've seen both double sided tape AND an...
Forum: Troubleshooting TVs and Video Sources 07-23-2019, 08:07 PM
Replies: 22
Views: 788
Posted By SLK001
Re: Is this PSB still work saving???

If it's your board, I would try to save it. If it is a paying customer, I would get a new board.

Any insight on what cause the resistor to blow? It takes a lot of current to turn a resistor into...
Forum: Troubleshooting TVs and Video Sources 07-12-2019, 05:46 PM
Replies: 11
Views: 499
Posted By SLK001
Re: Sharp LC-42SB45U Powers on at Random Intervals after Cap replacement

If there is no voltage around +5V on the STANDBY pin, then you aren't powering the necessary standby components, like the side controls and the IR receiver. Concentrate your efforts on the standby...
Forum: Troubleshooting TVs and Video Sources 07-12-2019, 05:38 PM
Replies: 4
Views: 298
Posted By SLK001
Re: UN55fh6200 Rebooting when warm

Usually an LED fault will just shut the TV down and not re-power over and over. You probably have a thermal issue somewhere. Since turning down the LEDs seems to help the issue, I would look at the...
Forum: Troubleshooting TVs and Video Sources 07-09-2019, 06:49 PM
Replies: 9
Views: 863
Posted By SLK001
Re: Kdl-75w850c

There are two LED zones. If only one LED is bad, then you should see a flash of the good zone, which should light up the SONY logo (less than 0.25 seconds). If that happens, then you will have to...
Forum: Troubleshooting TVs and Video Sources 07-09-2019, 06:43 PM
Replies: 17
Views: 885
Posted By SLK001
Re: Sony XBR75X850C

The six flash error code is a backlight issue. Most probably, it is a dead LED. I have the 65" version of this TV and all it took was a $0.05 LED to fix. But you really "earn" the fix, because you...
Forum: Troubleshooting TVs and Video Sources 06-17-2019, 12:51 PM
Replies: 11
Views: 786
Posted By SLK001
Re: How to diagnose whether a TV LED is bad (without using an LED tester)?

Wire two AA batteries (or any 1.5V battery) in series with leads. There are usually bare test points on LED strips near all devices. Just touch the two leads to the test points to see if it lights...
Forum: Troubleshooting TVs and Video Sources 06-16-2019, 11:44 AM
Replies: 11
Views: 420
Posted By SLK001
Re: samsung un60j620dafxza backlight led smd diode

Where are your pictures? Without pictures, all WE are doing is "dumbly guessing". How did you get the voltages? I would suspect that the LEDs are around 3V devices. If they are being driven to...
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 07:03 PM
Replies: 26
Views: 1,092
Posted By SLK001
Re: Sony KDL-46X3500 switches off and shows 5 red led diagnosis.

Dude, I recommend that you take up basket weaving. Playing around with potentially lethal voltages like you are can get you killed.

You should NEVER short a fuse, unless you know what caused it...
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 09:07 AM
Replies: 26
Views: 1,092
Posted By SLK001
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 09:00 AM
Replies: 2
Views: 440
Posted By SLK001
Re: Soldering advice.

Preheat the joint with a heat gun or even a hair dryer. Heat to about 100C and your solder will more easily flow to a perfect joint.
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 08:56 AM
Replies: 9
Views: 863
Posted By SLK001
Re: Kdl-75w850c

Here are the blink codes for your unit:

https://www.badcaps.net/forum/attachment.php?attachmentid=196219&stc=1&d=1560610516
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 08:50 AM
Replies: 9
Views: 863
Posted By SLK001
Re: Kdl-75w850c

Indicates problem with backlights. Probably lost an LED or two (losing one LED will render the set "dead").

Do you see "SONY" flashed briefly when you turn on from a reset? If not, your...
Forum: Troubleshooting TVs and Video Sources 06-02-2019, 10:20 PM
Replies: 15
Views: 994
Posted By SLK001
Well I am One Happy Camper!

I cracked the Sony back open to fix the gamma issue and I was successful. It turns out that the 4 screws that I had left over were very important for grounding. They are shown here (at least one of...
Showing results 1 to 25 of 226

 
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