sansui LCT42DSFT USB

[willyam1]

HI to all.
problem is to much brightness in pic even without signal .
when no signal screen should show a BLUE SCREEN and now its a little beet gray .when ther is signal the pic is a little beet grayny.
I enter to service mode by remot SOURCE AND 2580.
I went to eeprom and I got this.
eeprom;addr:000
date:00
save
factory recal
I pushed the factory recal and afew sec after its the same problem.
am I missing something in the reset procedor.
or culd be the problem in the tcon board or screen defect?.
please need help.
willyam1

[selldoor]

Re: sansui LCT42DSFT USB

I get no google hits at all on that model number - is it correct.
Is it LCD or LED
What does it do with a source connected
Is there sound
Can you update your profile with country and mains voltage

Welcome to the forum-
We can help a lot more if you please post good clear pictures of the whole chassis, and then pictures of each board, front and back (in the same orientation) and close up of connectors, (max resolution 2000x2000 and 2MB) using the manage attachments button, which is found by clicking "go advanced" under quick reply.

Please do not post inline and offsite as they slow down the loading of pages.

Examples of what is needed

https://www.badcaps.net/forum/attach...7&d=1280167246

https://www.badcaps.net/forum/attach...6&d=1280167246

https://www.badcaps.net/forum/attach...4&d=1280167246

[willyam1]

Re: sansui LCT42DSFT USB

no google hits.its a lcd .when a source is connected can see good pic with color but too much brightness and sound ok.
main board is 28.A001100-0020 and tcon is T420HW04.
I will try to post letter a pic.
willyam1

[willyam1]

Re: sansui LCT42DSFT USB

problem solved.
I replace the ic AS15HF WITH AS15G INTHE TCON BOARD AND TV WORKS FINE.
THANKS WILLYAM1

[selldoor]

Re: sansui LCT42DSFT USB

Wow -well done - dont think I have seen anyone replace chips on a T-con.
Great

[ben7]

Re: sansui LCT42DSFT USB

Good job!

About the no Google hits thing - probably a rebranded unit.

[willyam1]

Re: sansui LCT42DSFT USB

thanks to all.
willyam1