Question about Compaq (243890-001) 250-Watt Power Supply

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Do you know what function has the CPB2607 integrated circuit in the Compaq PS-7231-6CF power supply? Is there a commercial replacement for this IC?

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Posted on Oct 22, 2010

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Backlight of LED TV blink and instantly off , what reason will be in backlight circuit ? LED driver IC or FET or in power supply ?

Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

May 18, 2016 | Televison & Video

1 Answer

Red light on,no function,all the caps good,dead

Check and replace damaged component/s at its main board, or, replace it as card basis. Contact any service technician. The power-on signal does not come to its main power supply regulator board, from its main board. Very likely to be a main system control IC fault. Gopakumar Gopalan Google

Feb 17, 2014 | Samsung Televison & Video

1 Answer

Power supply damaged, Can I replace it with any other model power supply?

A standard ATX PS won't fit in your low profile case. The plug types can be different too. Usually there's a schematic with a PS that describes the wire color of each voltage. So you could conceivably shove the pins out of one PS plugs and insert them into the different plug, or solder the wires to the correct pins, and leave the PS outside of the case.

Nov 16, 2013 | HP Compaq dc7600 Small Form Factor PC...

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No audi and no video due to ic TDA 9386 ps/n2/3i problem

do you mean those ic no supply voltage?. ok you have to trace weather their is an open resistance going to the ic then considered the primary supply if their is a voltage. first check the ac voltage if their is a 110v going to the power supply section then check if their is a dc output voltage at the primary capacitor to supply all the circuit.

Nov 12, 2012 | Televison & Video

1 Answer

Dear Fixya Team, I have a problem in my LG flatron F700B 17 inch CRT monitor. My monitor was connected to an external TV card. The adapter of the TV card was defective and my brother plugged in the direct...

The "IC" (Integrated Circuit but often called a "chip") you have been told to be the problem, is a generic diagnosis. There are dozens (or more) of IC's in modern electronic appliances - including your monitor. ICs are what has allowed electronics to become miniaturized as they combine the functions of one or more circuits that may have needed large, bulky, heat producing vacuum tubes to something before that now is the size of a pin head. They look like these:


Drawing of the inside of an I.C. Actual I.C.

ICs come in all sorts of sizes and perform all sorts of different functions. Some are very common and cost significantly less than a dollar, while others are very specialized and cost hundreds or of dollars or more.

Since the power indicator of the monitor is lit, some or all of the power supply circuits are OK. Unfortunately, there are a great deal more circuits inside the monitor - one or more of which have failed.

Your repairer may have not even bothered to diagnose which IC had failed as the prices of monitors have been falling for so long, many people simply replace them with new, thin screen devices instead. If you wish to attempt the repair yourself, you should ask the repairer *which* IC has failed and then obtain it yourself to for replacement. Without the required knowledge and test equipment, knowing which IC to replace will be impossible to determine.

This is only an overview of the problem your monitor has. You will probably find that repairing the monitor is too time consuming and / or parts and other information about it are too costly or difficult to locate - or both. Good luck to you.

Aug 15, 2011 | LG Computers & Internet

1 Answer

Whos power ic?

The power ic is an integrated circuit (IC) that supply power for your TV.

Jan 29, 2011 | Panasonic Viera TH-42PZ80U Plasma TV

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My Samsung hdtv rear projection tv model#HCM4216W doesn't have any sound good picture though but does have some light waves in picture

the lack of sound is likely due to a defective audio output amplifier integrated circuit or IC for short, it needs replacing, the wavy lines through you picture is due to a defective filter capacitor in your power supply circuit, or may be due to the audio amplifier I.C drawing more current from your power supply causing a non clean power to be supplied to the video circuits, have the audio amp replaced first and note if the wavy lines are still present if so it is likely that some filter capacitors need replacing, to obtain sound you might be able to connect a external amplifier like your home stereo using the aux input and the sound output from your TV`s RCA jacks, this works well, let me know if you need further assistance good luck

Apr 27, 2010 | Samsung HCM4215W 42" Rear Projection...

1 Answer

No power

Was check 12-5v power supply?
Use other power supply for check it.
The power circuit in mother board is microswitching with integrated circuit, it is off commercial supply, no body sale it.

Mar 10, 2010 | ASUS P5V800-MX Motherboard

1 Answer

I need ic used in power supply p4 ATX 350 . I need datasheet for integrated circuit ( IC ) the no. of ic is AT2005.

man that going to be amouth impossible to find because is more cheap to buy a new power supply for 25 bocks that going to kill your self trying to repair one sorry but good luck

Jan 30, 2009 | Computers & Internet

4 Answers

1800FP power supply

The best way to get this to Robotek is to go to the home page and select find experts. Locate his name and use the ASK ME option. I will forward the link for this string to him as well.


Jul 02, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

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