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Old 05-16-2018, 10:14 AM   #11
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Join Date: Feb 2010
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Default Re: Acer B326HUL power supply dead

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

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)
Never stop learning
Basic LCD TV and Monitor troubleshooting guides.

Voltage Regulator (LDO) testing:

Inverter testing using old CFL:

Tear down pictures : Hit the ">" Show Albums and stories" on the left side

TV Factory reset codes listing:
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