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13/18 volts missing from satellite connector. Have tried swapping power supply board but no help. What area of the main board is the 13/18 volt LNB power supply?

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The voltage is supplied by the power-supply through the RF/IF interface usually encased in a metal box on its own. Also without knowing the model number of your unit I cant help any further.

Posted on May 17, 2008

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Will this isp 120s power supply work with a newer mother board which has the quad connection that looks like an 88 does it need (or does not need) to be plugged in?


Hello Eddie, Hi, the modern motherboard definitely needs the 88 or 12 volt quad connector, if the power supply is missing that connector, it will not work, except for the INTEL 510MO board which do not need the connector, so check this out. http://www.logicsupply.com/products/d510mo. If you want to use this power supply on other boards, ask a local computer shop if they have a bad power supply or if you have one to salvage the quad connector and solder it on the PS unit. The connector should be soldered on the 12 volt yellow wire group and the black wires goes to the black wires group. Ive done this and it works.0

Feb 24, 2011 | E-Machines Emachine Ilssan isp 120s isp...

1 Answer

I am trying to troubleshoot whether or not my ultra x2 connect 550 watt power supply is bad. When you press the power button on the computer, the light flashes and then noth9ing else happens. The light...


Well here is a way to check your power supply, on your hard drive connector using your volt meter and measuring from ground. this would be using one of two middle connectors it should measure +5 VDC on the red wire and + 12 VDC on the yellow wire. If these voltages are good then we got to see if the power supply is producing the -12VDC voltage. This voltage is ussed by the syustemboard on pin 14 of a 24 pin power supply. I would recommend not having your system board plugged in while measuring these votlages, but the power supply may need a load, I would plug in the cdrom.. Below are a couple of picture to explain this and a link to a website that has this documented.

http://www.playtool.com/pages/psuconnectors/connectors.html

dfish26_1.jpg The 24 pin main power connector was added in ATX12V 2.0 to provide extra power needed by PCI Express slots. The older 20 pin main power cable only has one 12 volt line. The new 24 pin connector added one line apiece for ground, 3.3, 5, and 12 volts. The extra pins made the auxiliary power cable unnecessary so most ATX12V 2.x power supplies don't have them. The 24 pin connector is polarized so it can only be plugged in pointing in the correct direction.
Pinout Pins 1 through 12 Pins 13 through 24 Description Wire color Pin number Pin number Wire color Description +3.3 volts orange 1 13 orange +3.3 volts +3.3 volts orange 2 14 blue -12 volts ground black 3 15 black ground +5 volts red 4 16 green PS_ON# ground black 5 17 black ground +5 volts red 6 18 black ground ground black 7 19 black ground PWR_OK gray 8 20 white -5 volts (optional) VSB +5 volts purple 9 21 red +5 volts +12 volts yellow 10 22 red +5 volts +12 volts yellow 11 23 red +5 volts +3.3 volts orange 12 24 black ground
Good Luck I hope this helps.

Nov 19, 2010 | PSA Ultra X2 Connect (ULT31851) 550-Watt...

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Hi I have a Toshiba Satellite p205-S6277 Laptop. When I turn it on it will not boot. The power lights are on, the fan turns on for a minute and the hard drive light flashes for a second. but nothing...


That could be a cpu problem or a man board error. You should be seeing some kind of error code either flashing leds or a beep. If it shows no code then if the memory is good, it can be the ram connector or the controller. Basically to generate any code the ram has to be good and the board has to see at least the first 64k of it. It will generate the code even with a bad cpu as long as it can use that first small bit of ram.

Swap the ram locations and you should try just one single module at a time. Sometimes heat cycles or vibrations will work the ram loose. So just taking them out and carefully reseating them can fix this problem.

The two normal causes for this on a laptop are a bad cpu that usually has overheated and the first suspect is always ram.
Either of those can be replaced fairly cheap. Past that you are looking at a main board replacement.

From your description the cpu sounds like the probable cause.

Sep 06, 2010 | Toshiba Satellite P205D-S7802 Notebook

1 Answer

Flat screen tv problem


42PF7320A: 7 blinks is missing 8.6VDC from supply -- connector CN-1M46, pin 3 (out of 11 pins), goes from power supply to main/input board.

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2 Answers

Toshiba Satellite P30 (new) Battery (and old) not charging


Your charging circuitry, inside the PC may be faulty. OR maybe the Power Adapter, you need to try another adapter, if the problem does not go away, then you have an internal motherboard power supply problem it will have to be serviced. Or just maybe the second battery is faulty too, unlikely.

Mar 26, 2010 | Toshiba Satellite P30-S701TD Notebook

1 Answer

MONITOR ONLY HAS FAINT IMAGE, COMPUTER WORKS WITH EXTERNAL MONITOR, HAVE REPLACED SCREEN TWICE AND INVERTER BOARD TWICE, NO LUCK--OTHER SUGGESTIONS?


When you have a faint image, it means that the backlights are not turning on, most of the time, its the inverter not supplying power to the lights.
My suggestion is to take a volt meter and test the voltage going to the inverter. I can not tell you what it should be, but you should have voltage more than 5 volts going to it. Its very possible that if you changed the inverter and the screen, that the main board is not supplying enough power.

thanks adi

Feb 21, 2010 | Toshiba Satellite M35X-S163 Notebook

2 Answers

Toshiba p25... this unit will not power up. when the power plug is plugged in, the front power led will flash once and then nothing. the unit will not power up with or without the battery installed.


hello...if you have extra ATX power supply can you try to replace then try to boot the unit if not working u need to try and remove board inside the casing and try to test only,Mother Board,Memory,Video Card And Power Supply of curse..thanks...^_^

May 08, 2009 | Toshiba Satellite P25 Notebook

3 Answers

Motherboard asus m2n-e does not boot after hard switch off


Power supply fan needs +12 Volt,
LED needs +5V, can you measure the voltages?
black: ground
red: +5V
yellow: +12V
there are more voltages on the mainboard connector:
-12V,-5V,+3.3V
pls check
If one of them is missing, your powersupply is dead

Mar 25, 2009 | Intel Motherboard

2 Answers

Toshiba Satellite no power


replace only the power jack and clean the power supply board with some alcohol...you can find the jack in some electronic shop..

Jan 04, 2009 | Toshiba Satellite M45-S169 Notebook

1 Answer

Humax 5400 satellite receiver ,power suppl problem


Dear Robert...


I think the problem with my humax 5400z is similar to yours.

Both 5400 & 5400z have the same power supply unit.

I just solved it this evening by changing C9.

It's a 1500 μF 10V electrolytic capacitor. Be careful not to reverse the polarity my friend.

If you have problems to find the capacitor just e-mail me at rel@link.net and I'll send you pics showing the location of that C9 capacitor on tthe psu board.

Hope this could help you.

Good luck.

Ramez Lebbad.

Dec 04, 2008 | Audio Players & Recorders

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