SOURCE: 37'' LG lcd tv, no power
I just want to clear things here.
The stand by light will remain on whenever the tv set is turned on by a button on the side of the tv.
Then use your remote to turn on the tv, but wait as it can take 10secs before you get a picture.
SOURCE: Problems with Hannspree HANNSnara 37 in. LCD
Ur backlight video board it dead,need it replaced.
SOURCE: intermittent power on problem with
It can be power supply or the other circuits may have shorted out that cause the power supply to go into shutdown mode. That is why you need to do some checking before buying the wrong parts.
Learn more here:
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
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
Failed TV and Monitors: 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.
Please post back what you find.
SOURCE: HANNspree 42" 1080p 120Hz LCD
If its still under guaranty take it back.
Sorry couldnt be of more help.
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