Re: Quadro LCD 32KL21 backlight off after one second
Please guys, I`m not ask how to buy elements, if somebody have experience with that inventer board and know how to bypass this let wrote it here, if you dont know please dont write how to order transformer or anything similar because I'm not retarded. Thanks to all anyway.
Announcement
Collapse
No announcement yet.
User Profile
Collapse
-
Re: Quadro LCD 32KL21 backlight off after one second
Thanks Tom. Yes, I now its cheap but in my country parts for lcd`s is hard to find and I don't want order anything, wait for it half year and pay shipping before I was hundred percent sure that is the inverter fault and not psu or something else and because of that i'm interested in that bypass safety on inverter board just to be sure that tv will work properly if I replace that transformer.
Leave a comment:
-
Re: Quadro LCD 32KL21 backlight off after one second
O.K. friend, it seems like you been right. I test all of transformers on inverter with multimeter and find out that one of them no any resistance at all, no matter on what pin measuring. All others ar good and have the same values. I remove that broken transformer from board and test tv but results are the same as before, one second of light and than turn off complete backlight. Because I don't want to spend money on this old tv and darker area on screen without that lamp is barely noticeable, my next question is, is there any...
Leave a comment:
-
Re: Quadro LCD 32KL21 backlight off after one second
I will post picture later, dont have good quality camera right now, sorry. But on visual everything seems good to me and all ccfl`s work properly that second or two after start. Is there any way to power up backlight on external 24v power supply to see will it be any difference or inverter need BL ON and dimm voltage to power up properly? Or is there a chance for inverter to work if I remove one by one tube and test it that way?
Leave a comment:
-
Quadro LCD 32KL21 backlight off after one second
First off all, sorry for my bad english. I have problem with that quadro LCD tv:
Motherboard: Vestel 17MB22-2
PSU: Vestel 17PW15-9
I now that is crappy tv but it work great until now.
Tv start normal and after second backlight turn off. In that second i can see everything on lcd, switch program or input on remote. So tv is working normal, i can hear sound and see the picture when turn strong flashlight in to panel but backlight wont work. When i turn off tv and on again everything is the same, one second of light and backlight turn off. Voltage on psu to inverter are...
No activity results to display
Show More
Leave a comment: