Question about Samsung LN32A330 32 in. LCD TV
Backlights are on?
No sound or pictures can be due to there is no12vdc for sound and 24vdc for the backlights. You need to find out if you do have the 12vdc and the 24vdc (caps has flat tops?), or the main board is not sending the PS_ON signal to turn on the 12v/24vdc or failed power supply circuits itself, need more in-depth troubleshooting. Read my guide to undersyand how the LCD TV works.
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:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
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.
Posted on Mar 31, 2011
TV won't turn on not always from leak capacitors, T-con or pcb main it self can cause it.
Unplug T-con board than turn it on, if still no picture replace main board.
If not sure to replace pcb main, i suggest you to call samsung technician.
Posted on Mar 31, 2011
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Posted on Jan 02, 2017
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