Question about GNR F153A (Black/Silver) 15" LCD Monitor

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Component IC602 on power supply board

Can anyone tell me what this component is please as the one in mine is unidentifiable



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TV won't power up. This model has lost a power supply before. how do I verify this is the problem and replace the faulty component?

Hi Dave, Troubleshooting circuit boards to the component level has become a bit harder due to the availability of semiconductors.
I would suggest to measure all the voltages from the power supply at P802 and P803.
Let me know if you require further assistance or I can send you the service manual if need be.

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1 Answer

In the past I have scammed pictures and documents

the printer shuts off due to two reasons. either the power cord to the printer is connected loose or the power cord is connected properly but its getting short.and the other possibility is that there is a power supply board in the printer.on that board there are many tiny electrical components.out of that tiny electrical components any of the component is got due to this the power supply board gets overheated after sometime and it shuts off automatically to save whole board from getting this case the internal power supply board needs to be checked. ------ Now for the scan failed error.the printer shows this error due to problem in the scanner .in the scanner under the glass there is a mini light that glows.under that light there is a mini green color board.if that board is got shorted then this error can you mentioned that printer shuts off this problem can be linked with this scanner failed error.i will explain how it links. the scanner board in the printer receives power from power supply board of the printer.if the power supply board is getting overheated.that this will cause the scanner board to get overheated and both the board are internally connected by a white color 8 pin in this case the power supply board and scanner board needs to be checked. there can be two possibilities in this case.either there will be lot of expense for this repairing.or it will be very minor problem.if a one single small component blows on power supply board then also the board gets over heated. but if that one component has made short to other connected component.then in some cases whole board needs replacement. so if one component problem then it will hardly cost you any.but if board replacement then its cost will be near tonne printer. also the new boards don't have any guarantee but whole new printer has at least one year warranty. as this all repairing needs a proper technician for checking and confirming the fault. so before getting any repairing done.get the proper cost estimate before getting it repaired. This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Mar 18, 2010 | HP Photosmart C4580 All-in-One InkJet...

2 Answers

AKAI LCT2715 will not turn on gives blinking

This series of TVs has a famous issue with the power board (part number MLT166A or similar). Several capacitors and zener diodes burn out causing some resistors to burn as well. If you are capable of doing component level repairs check capacitors on the board and zeners Z2, Z3, Z4, Z5 and resistors around them. If you prefer to spend hundred bucks and simply buy the working power board for it - ebay is your answer.

Sep 06, 2009 | Akai LCT2715 27 in. LCD Television

3 Answers

Need info on component 3071 on power supply board - burned up.

Its been a while since i worked on that power board. But I believe you are refering to the orange diode that runs into the single connector for the video board next to the power supply. I replaced mine with a 1n914 diode after replacing the 2200uf lytic cap and the tv fired right up.

Jul 23, 2009 | Philips Televison & Video

1 Answer

Problem identifying P4G533-LA motherboard electronic component

Its a diode but where can u find it ? Before replacing this check your powersupply. The parts number will be the same as beside.
Try carefully. You have a small hope.

Feb 14, 2009 | Computers & Internet

1 Answer

P4004 - Blown Components

if burned components are on output stage or amplifier section on board..Then look at the oposite side of amp..Both amplifier section should be a mirror image oof componentc from other..that way you can know the values of parts.If they are on power supply section ..Then you might need manual if available..

Dec 23, 2007 | Rockford Fosgate Punch P4004 Car Audio...

1 Answer

Need RIO EX1000 Power Supply Board.

I don't have any solution for your problem BUT you can resolve mine : what color are the rings of the AR51 component (next to the big dissipator)

Sep 06, 2007 | Rio EX1000 CD Shelf System

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