Forum: Schematic Requests ONLY!
11-29-2021, 03:29 PM
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Replies: 14
Views: 2,496
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Forum: Schematic Requests ONLY!
11-29-2021, 03:28 PM
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Replies: 3
Views: 755
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Forum: Troubleshooting TVs and Video Sources
06-21-2020, 02:10 PM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
Thanks for the answer.
Ok, I will look but I am also looking from answers in here to understand what is better and normal
On youtube I could posibly find maybe untrue unreal even stupid things.
...
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Forum: Troubleshooting TVs and Video Sources
06-21-2020, 06:10 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
The ebay seller (store) was kind enough to refund the money and leave me the mainboard as well.
Now the question is what should I do in order to try and repair this problem (if it could be...
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Forum: Troubleshooting TVs and Video Sources
06-16-2020, 10:39 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
I did the panel test like it's specified in this ebook http://www.lcdrepairguide.com/screen-repair/228/LG-TCON.pdf
jumped 12V and 3.3V on pin 44 (CN1 - lvds connector with 51pins)
red green blue...
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Forum: Troubleshooting TVs and Video Sources
06-16-2020, 06:37 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
Yes, I tried that today.
The voltage is constant when the panel is disconnected from tcon.
When connected, it's interesting that it varies, it gets higher exactly when the picture on screen is...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 05:23 PM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
Just making sure it is nothing on my side, before sending the motherboard back
I am trying to understand if this kind of problem could be anything else related other than the mainboard (panel...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 11:32 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
I have found similar looking problems on youtube
here https://www.youtube.com/watch?v=04s8c11xJyY
it sais it resolved with baking mainboard in oven
and here https://youtu.be/IN2yuzmjHxw
this...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 11:09 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
It is in fact a 42LW5500-ZE LG Tv (I didn't mention that exactly)
And the mainboards old and new (EAX, EBT numbers) are exactly the same.
It is how I have searched ebay for it (using those...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 05:03 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
The stickers, serial numbers, etc are all exactly the same.
I know this mainboards are used in 32,42,47 maybe even 55'' inch LGs
but the ebay seller speciefed is from a 42LW5500 TV.
Tcon as...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 01:57 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
Yes I did try setting to 8 bit.
it doesn't change things in better. Just a more unclear, green look
It almost made it imposible to distinguish something (and I mean when the picture is steady from...
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Forum: Troubleshooting TVs and Video Sources
06-15-2020, 01:55 AM
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Replies: 21
Views: 2,043
Re: LG 42LW5500 strange problem
Where should I try change Panel Type? In what Options?
In the first attached picture I am in Tool Options 1, In EZAdjust
I guess that is where I could change panel size, model LW LV etc, and...
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Forum: Troubleshooting TVs and Video Sources
06-14-2020, 04:56 PM
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Replies: 21
Views: 2,043
LG 42LW5500 strange problem
Hello everyone,
I have bought a replacement mainboard (used state) from ebay for a LG 42LW5500 TV.
Previous mainboard had the typical LG problem (cpu bga soldering - no video , no backlight at...
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Forum: Troubleshooting TVs and Video Sources
11-22-2019, 02:45 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-21-2019, 10:53 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-21-2019, 03:40 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-20-2019, 04:28 PM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-18-2019, 05:51 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-18-2019, 03:35 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-14-2019, 04:42 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
11-14-2019, 02:03 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
09-21-2019, 12:14 PM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
09-20-2019, 08:35 AM
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Replies: 30
Views: 2,399
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Forum: Troubleshooting TVs and Video Sources
09-19-2019, 10:57 AM
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Replies: 30
Views: 2,399
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