Personal computing discussed

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by jsmanson
Sun Sep 25, 2011 10:42 am
Forum: Visual Haven
Topic: Samsung LCD TV - LNS4051 power on problem
Replies: 1000
Views: 936964

Re: Samsung LCD TV - LNS4051 power on problem

Latebuthere wrote:
Can anyone upload a pic of the Atmel 24c256 chip? I cannot find it to save my life! Thanx!


Sorry - I don't have the tv any more - but it in the lower left portion of the board, very small chip with atmel written on it - use a magnifying glass!
by jsmanson
Tue Aug 23, 2011 10:59 am
Forum: Visual Haven
Topic: Samsung LCD TV - LNS4051 power on problem
Replies: 1000
Views: 936964

Re: Samsung LCD TV - LNS4051 power on problem

OK - I have fixed the TV. As noted in the previous post, I replaced all of the capacitors, but the TV still cycled on/off. I found a post back in April 2010 by "turboroe" that mentions a bad eeprom, which prevents the TV from cycling on properly - the eeprom may have been corrupted from th...
by jsmanson
Mon Aug 22, 2011 11:00 pm
Forum: Visual Haven
Topic: Samsung LCD TV - LNS4051 power on problem
Replies: 1000
Views: 936964

Re: Samsung LCD TV - LNS4051 power on problem

OK, my model LN-S4051D had 2 or 3 bad caps, replaced all 6 1000uf caps with 25 Volt ones, with correct polarity. All other caps and components look fine on the Power Supply Board. I am still gettting the 3 red light cycling problem (i.e. no screen or sound power-up). I have a question: Does anyne kn...
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