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Acer monitor v193hqv power supply regulater ic burn so iwant circuit or ic no part no ic 802

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: the power supply don't operates - INFOCUS X1

Usually the projector bulb, try to replace it first but I will not recommend you to do so but it is your decision.

Posted on Nov 21, 2007

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projdoc
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SOURCE: InFocus LP540 Power Supply Problem

most of infocus parts are oem and made by a company in taiwan that no longer makes power supplies, and many of the parts have their stock numbers and not neccesarily a common stock. the power supply, however, is in stock at infocus for about $65.

Posted on Jul 17, 2009

  • 5603 Answers

SOURCE: pmp3000 problem power supply.ic circuit problem

I have a PMP5000 that I had to resurect. I had to trace out the power supply to repair it.

I can give you hint: First, a small supply runs directely from the line and generates some of the small voltages. While this starts, the main power caps are charged through limiting resistors. The main switcher is brought online and if the power amps acheive balance, then a relay connects the speakers and shorts the limiting resistors.

This is what is in the 5000 and I suspect the 3000 is similar.

In my 5000, there was arcing at one side of the power amps. The board was burned and three power fets fried. Cancer of burned board had to be carved out and traces replaced by hardwiring.
In addition, the limiting resistors were blown open, both main switching transistors were blown and 4 small driver transistors (surface mounted) and several diodes AND a switching regulator chip (surface mounted).all fried/

Hint: When restarting the unit, put a 150 watt light in series with one of side of the power input to limit the current in case you did not get all the dead bodies out.

This is a class "D" amp which drives PCM waves into a filter which is then the audio output. It is much more efficient thaan a linear amp.

Posted on Dec 25, 2009

andik_guru
  • 146 Answers

SOURCE: Tick tick sound appear from

the sound you heard come from power regulator. its just fine, just indicate that part are over heat.
maybe you ill consider replace your monitor with LCD. more friendly for your eye and less power consumption

Posted on Mar 08, 2011

  • 381 Answers

SOURCE: i do't have driver for acer V193HQV lcd

YOU dont need drivers for a lcd screen, just lug it and it will work

Posted on Oct 26, 2011

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SIR, WILL YOU PLEASE LET ME KNOW THE NUMBER OF THE IC802 IN THE POWER SUPPLY,BECAUSE THE EXISTING IC 802 BURNED BEYOND RECOGNIZE


Unfortunately not. If you are talking about what i think you are talking about, then you will not be able to find that number if it is burned away. That number is either a unique production batch number or a manufacturing date, either way, if it is burned beyond recognition, then unfortunately, that number is forever lost. If you are searching for a replacement chip, however, i have found one online; you can use this link http://www.donberg.ie/catalogue/semiconductors/semiconductors_tda/tda_16846.html

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