Re: LG 42PC3D-UD No picture just sound



Here's a picture of the bottom of the board. And after a second look at the supply board those 4 cap does look a little swollen from the side. I checked the fuse on that board and its fine. Should I go ahead and replace those too....

Re: LG 42PC3D-UD No picture just sound



Are you talking about the 4 big ones or the 4 smaller ones in the lower left corner? Because the 4 smaller ones doesn't look swollen in real life. Maybe it is the lighting....

Re: LG 42PC3D-UD No picture just sound



After reading that post above, I really want to check the 15v supply on my set too. But unlike him I don't have years of experience, only a broken TV and a willingness to learn. Can you tell me where and how to check it with my multi meter....

Re: LG 42PC3D-UD No picture just sound



First, thank you PlainBill for taking the time to help me out. I have been going through this forum a lot and saw that you helped a lot people with similar problems as mine. I was wondering if you can give me a more detailed instruction on how to make sure it's the hybrid on the YSUS board. I'm planning to buy a hybrid off of eBay and soldering it on myself. If I do it that way can I avoid getting someone with a scope to tune it afterwards? Also about the 15v supply that you mentioned, could you tell me how to check if it's...

My LG 42PC3D plasma TV suddenly stops working. It would turn on but I would get no picture. I tried shinning a bright LED flashlight on the screen but I still didn't see any color. So I did a little research and found that this is probably caused by the YSUS or ZSUS board. So I ran several testes according the information I found.

1) I removed the power cable to either YSUS or the ZSUS board. The TV will still turn on with sound.
2) I took off the back panel and tested the 4 fuses with a DMM. I found that one of the fuses on the YSUS board was not working.
3) I also...