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LG 42LG30 42 in. LCD HDTV - Page 6 Questions & Answers
When i connect my laptop
The Pixel of the Laptop Monitor is different from that of the TV.So try to adjust it from Desktop Properties >>> Setting or you can make some adjustment from the TV.Thanks for visiting fixya
Will not change channels
If you are connected directly to cable TV without a cable box or an external TV antenna, go into the menu system and let the TV autoprogram the channels. It might take quite some time especially if your TV has a digital tuner in it. I hope that helps : )
LG made a pop sound and video/audio went black.
The tv power supply board is the causes and the problems,it dead.The the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
I have successfully connected my PC to the TV. But
User manual:
http://www.retrevo.com/support/LG-42LG30-TVs-manual/id/15220dj498/t/2/
http://www.fixya.com/support/r4873371-fixing_out_range_format_not_supported
See page 38~40 for what the TV can do when it is used for PC display.
From user manual:
37/42/47/52LG50, 32/37/42/47/52LG60,
32/42/47/52LG70, 42/47LGX, 47LG90,
50/60PG60, 50/60PG70: To get the the best
picture quality, adjust the PC graphics card to
1920x1080.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
My tv will turn on
Hi,
Problem is in either power supply or the Y-Sustain board.
The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.
Often there are fuses on that board - one or more. Check those.
if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.
I hope this will help in solving the problem....
Hi i have the lg42lh3000
The CCFL (Cold Cathode Fluroscent Lamp) at the darker end is not lit. Either the CCFL is fused or the ballast is needing repairs.
sonsunny
Tv does not turn on , there was a power outage and
If the TV is completely DEAD. Check the main fuse in the power supply. Replace the fuse with exact amperage. Make sure you unplug the TV before taking the cover off. If the power supply keeps blowing the fuse, replace the power supply. Be very careful high voltage can kill!
Best of luck
AAA TV SERVICE
My hdmi ports do not
Hi If you open up your TV. BE very carefull these TV's have high voltage make sure everything is unpluged for a few hours before touching anything inside. Inside you will find a main unit the HDMI input is on this main unit. You can get a part number from this part and do a search on this website for it
www.interliquidparts.com it will cost you under $100.00
My LG42LY3DE LCD TV takes
The tv power supply board it is the causes and the problems.That the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish power supply board for the replacement.
I have a a LG model 42LG30 UD. My issue is the IF
If your TV is still under warranty I would recommend sending it in. It sounds like the receiver on the TV is malfunctioning which isn't something that can generally be fixed or replaced by your local electronics store. Your best course of action would be to send the TV back to the manufacturer with a detailed list of what is happening. Most major retail outlets can assist you in getting your TV fixed or replaced through the manufacturer if you purchased the TV through them.
SUDDENLY NO IMAGE BUT GOT SOUND
If the backlight is not working, there are many causes for it. It can be as simple as a bad capacitor that prevents the power supply from starting up completely to defective regulator transistors to defective driver transistors, etc.
If you have no experience working with electronics, you are best served by seeing a service shop.
If you are experienced and would like further guidance, please indicate this and we'll try to assist further.
Regards,
Dan
I have a LG 42lh30
Hello
The fault is due to its horizontal sync-seperator and horizontal phase detector section, and it is not user servicable. If you want to do it by yoursef, you must have thorugh knoledge in both digital and analogue electroncis, and a high quality digital multimeter to access these sections. A multimeter of the above said type will cost a lot, that it will be a great loos for you to muy such one, more that its service cost. Moreover, you must have a good concept of solering, a sodering iron with ceramic tip, a very steady and stable hand, more patience and concentration, A magnifying glass may also needed.
In my opinion, it will be best for you to get it repaired by a well experienced service technican, who have most modern testing equipments. Otherwise, things will go worse than present as it is. OK.
Tv cuts on the cuts
immediately open your back cover and check the capacitors. The capacitors may be damadge or some connectors may be lose.
HI, i Have a 42" lg3000 lcd tv when I switch the
Hi,
What is correct model number of tv, question shows 42LG30 and 42LG3000 and let me know origin of tv (I mean country name) to find out T-Con board, apparently it is T-Con board problem.
Thanks.
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