Hi all, wonder if I could get some help with the above Tv, the power supply is BN44-00161a, replaced bulging caps and got it working however the transformer in the upper middle (ACE 2 42VS) has a fast ticking noise coming from it, I think it is a faulty transformer but using the code off the part I am unable to find any information on it, has anyone got any input on it?
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Re: Ps42q96hd plasma.
Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem -
Re: Ps42q96hd plasma.
Tbh I would say check the main filter capacitors, seen it on a pc psu where the main caps were bad and causing the transistors to send out improper voltage causing lots of coil whine.
Edit: Ohh hey Garry lol try swapping out the main filter caps with ones of another board, and check the solder joints this model of psu has lots of issue with cold solder joints.Last edited by ReeceyBurger123; 02-24-2015, 06:49 AM.Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !
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Re: Ps42q96hd plasma.
Ok cheers will try nowComment
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Re: Ps42q96hd plasma.
Allright mon
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Hello!
I'm looking at an original Xbox PSU: Foxlink ftps-0002 rev. B. The 12 V output is too low, and the 5 V output is too (?) high. Unfortunately I don't have an oscilloscope but only a DMM for diagnosis.
Measured voltages with no load:
After rectifier diodes
12V: 6.17 V
5V: 5.67 V
Secondary transformer pins AC measurement (really don't know if this says anything)
12V: 2-2.5 V
5V: 1.04 V
I also have another (working) Xbox psu from Delta. The same measures there, in order, being: 10.79,... -
Hi all,
Got this local made DC power supply (12/14V) given free as the transformer has melted. There is no marking or indication to identify what type or rating of transformer used.
Fyi,. I had a busted autogate mainboard with transformer with marking 13-0-13 . Is this the 13v dc type transformer?
My questions are
1. How do i test to see if the transformer is in good working condition?
2. Can this transformer (marking 13-0-13) be used to replace the melted transformer on the DC power supply?
Hope you guys understand what i was asking. My intention is... -
Hello All,
i would like to post an interesting topic regarding 3-phase stepdown transformer which we suspect to cause an overcurrent (138A) which resulted to power tripped off of the HV power supply (80KV output).
Problem statement: Power tripped Off
Initial Problem: Found 2 IGBT and 2 rectifier diodes shorted (burnt).
Action Done:
1) Replaced the faulty parts with good spare.
2) Measured impedance of the 3phase input lines and found that L2 to L3 has 23.3ohm while other pairs are 51Kohm. This pins will... -
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