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Old 05-16-2018, 10:14 AM   #11
budm
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Default Re: Acer B326HUL power supply dead

Quote:
Originally Posted by fred41 View Post
Hi, I tried to take pictures and read the part references



n1 : NXP TEA1751T CDX12104 TXD14241

n2 : MPS1431 MP3398 E44H2168A

n3 : unreadable, but seems to be the same as n2

thanks
OK, #1 is the one we need to find out if it has DC Voltage between VCC pin and Gnd for it run or not. Please see the spec sheet.
NOTES: You will be working in the HOT DEADLY side of the circuit so do not touch ANYTHING with your hands or body, you should at least plug the monitor into GFCI outlet.
Attached Files
File Type: pdf TEA1751T.pdf (267.9 KB, 1 views)
File Type: pdf AN10789.pdf (630.6 KB, 2 views)
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Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956

Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999

Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl

Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/

TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809
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