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Equipment Repairs => LCD TV forum => Topic started by: Keith on October 12, 2010,08:14:17

Title: Samsung LE40A457C1DXXU poor picture
Post by: Keith on October 12, 2010,08:14:17

Hi all,

original problem was dead set, replacing caps in PSU cured that. Customer then mentioned that the picture was dark on analogue TV. And it it is! Dark reddish tinge, smeary like low emission CRT. Picture is perfect with DVB-T and external inputs. Have tried factory reset but still the same.

Thanks

Keith

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: Turnip on October 12, 2010,12:52:26

Hi Keith,

Analogue is history, but what about those PS caps, and what 'BN' is it. Sammys can be troublesome - usually are  - could do with our own  'Sammy Hero' on Quuq, for our very own 'LG Hero' is ever the biz.

Grovelling of course - but - Chris.

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: sparky on October 12, 2010,15:36:50

hi
check the caps in psu then replace epprom chip on
mother board with blank one it resets itself
charles hyde do the chip
dave

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: Keith on October 13, 2010,10:16:34

Thanks Chris and Dave

Analogue maybe history for you Chris, but our change over here in Southend on Sea is 2012, and right now we can only get a few channels, and the signal quality is pretty poor.

Set has gone back now as I have already changed PSU caps, and tried a blank eeprom and factory reset.

I earnt a pound by getting it working for them, so I'm off to buy a packet of biscuits now!

Keith

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: Turnip on October 13, 2010,11:33:31

Hi Keith,

You can afford bisquits ? me and Sparky are around the back of Tesco after hours, beating the hell out of rats for a square meal.

Sparky well might deny - just reasonable pride - Chris.

PS - You've still got the Kursaal (a cure hall that's remedy for rat bites - been there)

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: sparky on October 13, 2010,12:11:40

thats true, what no jam
dave

Title: Re: Samsung LE40A457C1DXXU poor picture
Post by: Turnip on October 13, 2010,12:34:22

Hello again,

As an amusement, folks living locally in Southwold (Where they have locks to their crap bins) don't even have channel 'V' -  but they had Bengy Britt - Peter P and all that herring stuff.

Did that Yamouth harbour fishy stuff in the 50's - found fish had bones - complained at the time, as kids still do  - empathetic - Chris.