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I need a schematic for a d2823 desktop

When replacing the power supply to his computer , my dad disconnected 3 sets of paired wires that go to the front of the unit.He said one is labeled pwr, another is led and the other hdd.Could you help clarify,thanks
Steve

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Pwr (power) goes to the on/off switch (led) goes to the light (light emitting diode) hdd goes to the harddrive (hard drive device)

Posted on May 03, 2009

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I stopped using my acer aspire l100 when I got a laptop. I wanted to use it again so the other day I hooked it up and I got nothing. There is no light on the computer and the power will not switch on. My...


First things first if you put the wrong RAM in it would still turn on but it would beep at you. If the front switch isn't sticking I doubt it is that. You can test it by following the wires from the switch to the motherboard, disconnect the wires and use a flat screw driver to make contact between the two pins or if more pins make contact between the + and -, if it turns on then yeah it's the switch. The small 3v battery is only used to save your BIOS settings.
Lastly, yes it most likely is the power supply. I'd really just start with the power supply as it is the most common component to go out.
Comment back if you need more assistance.

Aug 25, 2011 | Acer Aspire L100 PC Desktop

Tip

ERROR CODES AND DESCRIPTION



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2X Blink - Main Power Error
A 2X protection mode blink pattern can be activated due one of the
following defects.? Loss of REG12V (LVP)*
? Loss of -125V (Single Line)
? Excessive -125V Level (OVP)*
? Loss of Power-ON Signal
? Excessive PFC Voltage (OVP)
? Excessive PFC Temperature (OTP)*Low Voltage Protection (LVP)
*Over Voltage Protection (OVP)

For more check the following link. Use the search tab on the top right corner to find your product
www.electro-medical.blogspot.com

google.com/+AjinGopakumar

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1 Answer

My computer will not turn on anymore


Try connecting the power-cord to a different wall-plug.

Look on the back for a "rocker" switch.
Flip it to the other side, and try the ON/OFF button.
If nothing, flip it back.

Open the case, and look for any small lamp on the motherboard.
If it is not lit, then the motherboard is not getting any power from the power-supply. Try a different power-supply.

Open the case, and look at the wires coming from the back of the front-panel to the motherboard. Look for any loose or non-connected wires. If one pair of "loose" wires is labelled 'POWER SW(itch)', then reconnect it to the appropriately-labelled pins on the motherboard.

If all else fails, take the computer to a qualified technician, for "hands-on" trouble-shooting.


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1 Answer

Reconnnecting wires from on my Gigabyte GA-7ZX motherboard


you can check the MB pinout diagram from their website. The powersupply connector generally of a unique size and you can easily identity by the pin numbers and safely connect it, as you cannot insert it in a wrong direction.

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No water to ice maker . Only 14 vac to solenoid. Solenoid is labeled for 120vac.


The water inlet valve is located behind your refrigerator. Find the water supply line coming into the valve and turn it off at the source (typically under the sink). Disconnect the supply line. Remove the screws that secure the inlet valve in place.

The water inlet valve is connected by two wires. Label the wire placement on the water inlet valve before disconnecting the wires. The wires are connected to the terminals with slip on connectors

Firmly pull the connectors off of the terminals (do not pull on the wire). You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If the connectors are corroded they should be replaced.

Inspect the filter screen where the supply line connects. Remove any debris or deposits that may have built up using a toothbrush
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Test the water inlet valve for continuity using a multimeter. Set the multimeter to the ohms setting X100 (if available, otherwise use the nearest ohm setting). Place a probe on each terminal. The multimeter should display a reading of 200 to 500 ohms. Close inspection of the inlet valve and especially the coil may reveal the exact ohm resistance rating to test for. If the water inlet valve does not pass this test, it should be replaced.

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T3624 MB someone pulled off the 3 wire pairs to the front bezel. What's the pin out for the 2 leds & power on??


According to the internet, your computer has an Intel 845GV chipset motherboard. Intel tends to use a generic pattern for connecting the front panel connectors. A description can be found on intel's site.
If this doesn't solve your problem, comment back with the motherboard model number. Look on the board, it should be printed somewhere, and it should start with D845GV...something something...

Steven

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Power Problem


usually blink code on front gives direction but first thing to do would be to determine if surrounding sustain boards are causing draw on power supply by disconnecting them one at a time from power supply. y is on left looking from back and x is on right looking from back. if led goes solid with either board disconnected check supply voltages and if come up and stay up replace that board. if no change then you would need to verify vs on command coming from logic main to power supply. should be labeled on power supply connector and should be 3 volts. if present replace power supply if not present verify if logic main board sitting underneath signal board has one solid and one blinking led on if verifying normal operation and if so replace small signal board

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Icute to motherboard wiring


Hi, on the edge of your mother board closest to the front of the computer, you will find a double row of pins. Use a torch and if needed a magnifying glass and study these, you will find they are labeled the same as your cables from the case.
In some cases the plugs are set as a 3 space plug, if you find one of these that wont fit. just split it. If you plug the LED wire back to front, don't panic it won't hurt they just wont work. The power and reset are not pole sensetive.
Goodluck mistyman

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