ok i have a esr meter...0000....digtal..on the settings switch up10-10,000..and switchdown 0.01-10....id bad cap ...0000 and does not do anything?is that bad?dryed up?...now how about all number keep on rollingfast cant even tell what it reads?is that a shorted cap?leakage caps just the uf will be high means bad?....and i have aouther question...the digital
display 0000 switchup..10-10,000....were should the decamal go to read the ohms or the uf?the switchdown has the decamal 0.01-10 on display..0.000 ...
so do i read the high uf or ohms....and if you want to know witch brand of...
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id a bad cap, shorted,dryedup,leaking?
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Re: 42' plasma....tatung
ok guys i have an esr meter...good caps will read 0..and bad caps will give a high reading or bouncing reading?please lt me know..
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Re: esr or cap tester
wow thay like to blow out from the bottom...
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Re: esr or cap tester
ive got one for yall. can we turn a reg multiymeter..in to a esr meter? and (lets say)i have the data sheet to the mutiymeter....could it be done?..
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Re: 42' plasma....tatung
witch chassis do i have?...it find on the other power board...on the bottom...it will say assemblycode XXXXXXXXXXX? how do i convert the stock part#...to usa?
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Re: 42' plasma....tatung
i wanted to show yall that im learning something and wont give up to easy..i have the whole thing FAQ but i dint know where i got it but im reading it and learning...and i have to ask the right questions....can i buy the kit...for my power board -IC curcit...all the different parts .into one kit?...when i test the ic akk around the board...on the transisters....with the 3 leg....the a lot of them test out bad...one side is good but the other ether 0L or a different ohms than what its suppost to be..and when i reverse the leads i get the same rea...Last edited by medamotcha; 04-23-2010, 03:42 PM.
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Re: 42' plasma....tatung
ok guys ive been doing some home work and i found something real cool info
so i can ask the right questions..
but the info that is in red....y my meter is swinging up and down
* Bad startup circuit - initial base (gate) drive is often provided by
a high value, high power resistor or resistors from the rectified
AC voltage. These can simply open for no good reason.
Symptoms: In this case the supply will appear totally dead but all
the semiconductors...
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Re: 42' plasma....tatung
something is wrong.....with my meter...1 min i wont get a reading and another i will...will a cap do that?im getting a new meter tommorw.
we might have to scratch the whole thread...couse it would be wrong
but i did learned alot from yall already
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Re: 42' plasma....tatung
ok guys i found it....check this out..i studyed this all day..and yes the mother board is toast...un less u know what to look for and the led codes...remember the first post..about the led lights..well thay had a number
8001-8002...well i found out the thair curcuts...so thair more to them..so i would look around,what ever had 8001 next to it or the 8002section.and would look around thair.....that when i seen the hot side and cold side...hot side..is the power side....the cold side is the y and x boards.....now y wasent the cold side turning on when...
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Re: 42' plasma....tatung
hey guys still got questions..please...how do you test a dieode...can you tone out ?or i have to take out?and test?
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Re: 42' plasma....tatung
ok,thx...but im going to try a differnt meter to make shore..i like the needle meters my self.....let me try with a diff..ok?..and ill get back..if i dont' well i have another tv..lol but im going to give up yet...so far it was to easy to give up...what u have shown me..i want to get deep in this....if i cant get any volts to the y and x board....y only get 20 volts.swinging high and low...what would make that do that? please give me a best guess...thair still stuff that i can do to this mother board..test every cap and resister and transister...i...Last edited by medamotcha; 04-20-2010, 03:03 PM.
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Re: 42' plasma....tatung
[URL=http://img177.*************/i/51224867.jpg/][/URL]
you see how the mother board gose...you have the white line the gose around one side...and you see the other..i can trace the path of allmost were current is going...funny thing i can read this...wel at least i can test the caps if i need toRe: 42' plasma....tatung
[URL=http://img177.*************/i/51224867.jpg/][/URL]
you see how the mother board gose...you have the white line the gose around one side...and you see the other..i can trace the path of allmost were current
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Re: 42' plasma....tatung
would that show and bounce reading...the buffer shows good 70 volts....the rest no go.......
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Re: 42' plasma....tatung
if it is the mother board...i guess can we trouble shoot...
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Re: 42' plasma....tatung
here is some ill get you more pics and good ones...Last edited by medamotcha; 04-20-2010, 09:02 AM.
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Re: 42' plasma....tatung
ok i tested again....i cant get a stady reading....on standby and power up..my meter is just bouncing...but no were neer the voltage its suppost to be.....VA was the right voltage 70...that was the buffers in 1-2....now the power supply....witch board is it...ill post all boards
the power supply ...is that the mother board? the big one in the middle?
please so no.lol......Last edited by medamotcha; 04-20-2010, 08:42 AM.
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Re: 42' plasma....tatung
well check this out bill....i tested the SY and x-main ...Vs.....20v on both...it suppost to be 170v....the VA on the buffer plug.70v thats good......the ac input-125.00v....100-250v.....ill get the rest later ...but it looks like the power to the x main and the y main dont have enouph power going the vs..thats the red led8004..i knew it.ok now what do i check...or i have to pull out a cap and test it for the uF
let me knowLast edited by medamotcha; 04-20-2010, 12:13 AM.
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Re: 42' plasma....tatung
i have a question...vscan what is that , and t-vsb... becouse thats led8004 thats the red light i traced it and vscan is thair and the green lights led 8001-3 tvsb right thair...but im going to do it your way. i just wanted to know what thay were and what thay do
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Re: 42' plasma....tatung
thx bill your the man....and thanks for helping me...ok, im on it..
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Re: 42' plasma....tatung
how do you want me to test ....please explain...you said to test the volts no the y board...explain where to put the multy meter leads + - too.....once i get a true reading i can compare to what its suppost to .and how to check the driver chips... i dont know how to check driver chips
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