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Author Topic: 12v 5Apower supply...lcd monitor  (Read 786 times)

Offline winlink3d

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12v 5Apower supply...lcd monitor
« on: April 16, 2012, 06:39:43 PM »
hello masters!!

got a acer lcd monitor 5yr old. still working fine but the power supply is dead...

before i buy a new one, maybe i can salvage a power supply...

lcd monitor uses a 12v 5A, is it safe to use a 12v 20A from a power supply? and is it possible? (i think  :) )

can you share me your knowledge about this one...
another opinion is accepted.

Thanks masters.

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12v 5Apower supply...lcd monitor
« on: April 16, 2012, 06:39:43 PM »

Offline Johannah Aleksandria

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Re: 12v 5Apower supply...lcd monitor
« Reply #1 on: April 16, 2012, 06:45:43 PM »
It is ok to use but it must be regulated for a true 12v rated output.

Generations come and generations go, but the world stays just the same. What has happened before will happen again.

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Re: 12v 5Apower supply...lcd monitor
« Reply #1 on: April 16, 2012, 06:45:43 PM »

Offline winlink3d

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Re: 12v 5Apower supply...lcd monitor
« Reply #2 on: April 16, 2012, 07:13:17 PM »
i'll be using the 300w power supply, indicated a +12v 20A, so for sure it will just be fine. right?

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Re: 12v 5Apower supply...lcd monitor
« Reply #2 on: April 16, 2012, 07:13:17 PM »

Offline de PatAtas

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Re: 12v 5Apower supply...lcd monitor
« Reply #3 on: April 16, 2012, 07:22:55 PM »
' parang mainit ang 20A
' there are many different ways to love..

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Re: 12v 5Apower supply...lcd monitor
« Reply #3 on: April 16, 2012, 07:22:55 PM »

Offline explorer1007

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Re: 12v 5Apower supply...lcd monitor
« Reply #4 on: April 16, 2012, 09:16:02 PM »
mas okay yong mas mataas ang rating ng current ng power supply na gagamitin mo hindi sya gaano magiinit kasi kayang kaya nya ibigay ang requirement ng lcd monitor mo. kasi kung mas mababa gagamitin mo ay yon ang may problema kasi magiinit ng husto power supply mo.

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Re: 12v 5Apower supply...lcd monitor
« Reply #4 on: April 16, 2012, 09:16:02 PM »

Offline Asarnako

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Re: 12v 5Apower supply...lcd monitor
« Reply #5 on: April 16, 2012, 10:08:43 PM »
20amp?

Can't be use sis!.... masisira ang mga parts sa adboard... dami naman sa surplus and aftermarket na adaptor, cost only 350 petot sa mga importer....pwede naman 2.5 to 3amp ang use mo...ung pang mini DVD player pwede din gameten!
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Re: 12v 5Apower supply...lcd monitor
« Reply #6 on: April 16, 2012, 10:17:07 PM »
20amp?

Can't be use sis!.... masisira ang mga parts sa adboard... dami naman sa surplus and aftermarket na adaptor, cost only 350 petot sa mga importer....pwede naman 2.5 to 3amp ang use mo...ung pang mini DVD player pwede din gameten!

kahit pa 300,000,000 amperes ang power supply di naman masisira yun. as long as the TV needs 12Volts.

Offline tiktak

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Re: 12v 5Apower supply...lcd monitor
« Reply #7 on: April 16, 2012, 10:19:10 PM »
ohms law!
8051 stuff

Offline macky

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Re: 12v 5Apower supply...lcd monitor
« Reply #8 on: April 17, 2012, 04:49:53 AM »
kahit pa 300,000,000 amperes ang power supply di naman masisira yun. as long as the TV needs 12Volts.


i concur...
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Offline Asarnako

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Re: 12v 5Apower supply...lcd monitor
« Reply #9 on: April 17, 2012, 07:11:51 AM »
Oki...

Try it... na try ko na yung more than 15 amp sa LCD monitor.. aandar pero ende magtatagal bumigay ang monitor....
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Offline ednarb

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Re: 12v 5Apower supply...lcd monitor
« Reply #10 on: April 17, 2012, 08:17:01 AM »
nangyari din sakin yan nasira rulator ko gawa ako ibang thread ask ko help ng mga master

Offline j a y k e z

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Re: 12v 5Apower supply...lcd monitor
« Reply #11 on: April 17, 2012, 08:35:41 AM »
PC PSU ;D

Offline BhongTech

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Re: 12v 5Apower supply...lcd monitor
« Reply #12 on: April 17, 2012, 08:44:48 AM »
hello masters!!

got a acer lcd monitor 5yr old. still working fine but the power supply is dead...

before i buy a new one, maybe i can salvage a power supply...

lcd monitor uses a 12v 5A, is it safe to use a 12v 20A from a power supply? and is it possible? (i think  :) )

can you share me your knowledge about this one...
another opinion is accepted.

Thanks masters.

pwedeng pwede yan sir.kasi 5ampere lang naman ang kailangan kaya ok yan bastat smps type para regulated na tulad ng pc psu.
matanung lang bakit hindi i repair ang psu nito mismo?

Offline explorer1007

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Re: 12v 5Apower supply...lcd monitor
« Reply #13 on: April 17, 2012, 09:19:13 AM »
kung ang question ay pwedeng gamitin mas mataas na current ng power supply ay pwedeng pwede nga kasi hindi porke 30 amp rating ng power supply ay yan ang ibibigay nya na current. mag dedepende pa rin ang ibibigay nya sa required ng load mo. ngayon kung gagamnitan mo ng mas mababa na rating ng current ay yon ang sobrang magiinit ang power supply mo kasi pipilitin nya ang power supply na ibigay ang required ng monitor mo. ngayon yong sinasabi nyo na nasubukan nyo na nag okay pero sumunod na nasira ay monitor ay it only means na may problema ang monitor nyo kaya nasira ang power supply nya. medyo tumagal lng kasi nga pinalitan nyo ng mas mataas na specs ng power supply kaya instead na power supply ang bumigay ay monitor na., atleast mahuhuli mo na kung ano talaga cause ng problema. pero kung sure  na okay nmn ang monitor mo ay no problem yan. pwedeng pwede, pra sa akin lng ha.

Offline DSM_elektronix_shop

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Re: 12v 5Apower supply...lcd monitor
« Reply #14 on: April 17, 2012, 09:53:24 AM »
to me this is true... kahit ano pang current ng power supply mo basta you need the exact volts ay walang problema...

sa mga nagtatanong nga tungkol dito ay upmisahan nio na balikan ang theory...ohms law and kirchaf law...
yan kasi asan ba kayo nung nagkaklase kayo ng college??this is a very simple baka nagkamali po kayo ng post na tread dapat nilagay nio to sa newbie thread...

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Offline ???

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Re: 12v 5Apower supply...lcd monitor
« Reply #15 on: April 17, 2012, 09:58:12 AM »
^Wala kaming ganyan sister.  ;D
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

Offline Min

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Re: 12v 5Apower supply...lcd monitor
« Reply #16 on: April 17, 2012, 10:22:48 AM »
TS, try mo ito. This is my current set up. My LCD monitor is getting its 12V power source directly from my CPU desktop PSU. Ilang months ko na gamit ito.

Pero hindi lahat ng PSU pwede. Buti nlng marami ako spare. Ang problema kasi naencounter ko sa ibang PSU eh interference sa Video. 

Until finally ung pangatlo PSU na trinay ko,OK sya no interference clean at sharp ang display.
M I N 2 5  e l e c t r o n i c s

Offline Asarnako

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Re: 12v 5Apower supply...lcd monitor
« Reply #17 on: April 17, 2012, 10:27:46 AM »
hehehe!

absent ata akow nun? ;D ;D ::)
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Offline n0th1n6

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Re: 12v 5Apower supply...lcd monitor
« Reply #18 on: April 17, 2012, 10:55:41 AM »
Di sana sira na mga appliances natin. Yung electric fan ko na 100W ay kelangan ng .4A @ 240V ay di naman nasisira eh kahit ang mains supply natin ay kayang kayang mag deliver ng 100A at 240V. So please, baka kasi matakot mga newbies na gaya ko kapag ganyan mga info na mababasa natin.

Offline gorex

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Re: 12v 5Apower supply...lcd monitor
« Reply #19 on: April 17, 2012, 11:05:00 AM »
puwde ata linear regulator using Lm317t IC. then sa current boost Mj2955 ...set and compute resistor to be use for 5 amperes and resistors to be use for 12 volts output...
We use negative feedback in audio amplifiers to stabilize the gain, increase the bandwidth,lower the output impedance and lower the non-linear distortion.

Philippine Electronics Forum

Re: 12v 5Apower supply...lcd monitor
« Reply #19 on: April 17, 2012, 11:05:00 AM »

 

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