Re: dual rectifier
toshiba regza 42 inch.
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Re: dual rectifier
that dark spot must be from the factory. i seen it a few other power supplies online....
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Re: dual rectifier
ok. it looks like im missing the 12-24v for the inverter.
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Re: dual rectifier
ok i was trying different grounding points while testing. i used the heatsink on the big ic as a grounding point and i see 28v on the 12-24v pin for the inverter and i get 19.6 volts on the pins on the inverter.
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Re: dual rectifier
yeah i have a fluke 75 and a leader 15mhz scope.
these are the voltages
12v- 11.68
6v- 6.4
24v-0
5v-5
power sig 3.28Last edited by timwebb22; 05-25-2012, 08:08 PM.
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Re: dual rectifier
i normally repair audio amps and such. im trying tv's now. different ball game now.
i tried google but didnt come up with anything. i did the steps they are good.
i found a bad zener diode over by the big ic now the relay click.
the problem was it was in a pawn shop on display and they left it on all the time until it went out if it helps any.
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Re: dual rectifier
the part go right behind the yellow and black transformer. it traces back to the plugs for the inverter. it reads 1.83 in diode check. and 70k in ohms. which seems very low....
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dual rectifier
im looking for the data sheet for this part. part name is en220a it is from a ps to power the inverter.
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Re: identify a diode
they all measure about .15 in diode check. they are all dead.
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Re: identify a diode
its so small my camera cant focus on it.
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Re: identify a diode
here's what i came up with
[url]http://www.datasheetarchive.com/lZ15-datasheet.html[/url]Re: identify a diode<br /> <br /> ...eet.html[/url]
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Re: identify a diode
when i look up the part number it takes me to this one. i have a plastic case diode.
[url]http://www.alldatasheet.com/datasheet-pdf/pdf/436469/TAK_CHEONG/TCLLZ75V.html[/url]Re: identify a diode<br /> <br /> ...75V.html[/url]...
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identify a diode
im looking for a diode but cant find the data sheet. the diode is from the power supply labeled LZ75. any help?
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identify a diode
so im working on a amp and i cant figure out what kinda zener diodes these are.the 4 big ones any help?...
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Re: toshiba regza problems
ok. i redid the test cause i noticed my meter wasn't functioning like it should.so i went and got my fluke and got a different reading. 44.1v. i know i should have used the fluke in the first place.
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Re: toshiba regza problems
it looked like that spot was repaired.
here's the 8 pin plug....
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