Question about Faroudja Televison & Video

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I have a Faroudja 2200 video processor. Power is getting to the unit, however the the led doesn't seem to be lighting up when the power switch is pushed. I check the fuse on the board just as the power comes into the unit. I have a SharpVison projector hooked up to this units out put. I have inputs from my DVD player and other video sources coming into the unit as well. The projector only shows a blue sceen which at the beginning says, when it first comes on "no signal." What could be be problem for this? Is there a circuit manual out there. I have not delved into this unit yet, but my background is electonics. Thanks for the time and consideration of this.

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These units use surface mounted ICs for all processing and the service information is not available. These are best repaired by the manufacturer. I would suggest that you contact them directly. If the power levels measure correct inside the unit (ie. 5V measures close to 5V, 12V etc) then the problem is most likely due to a defective IC.

Sorry to be the bearer of bad news here, but you need to contact the manufacturer. These units can be easily damaged further.

Dan

Posted on Sep 07, 2010

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Dont show video but it turn on perfectly


Usually indicates a bad Power Supply.

LED lights light, fans spin, but NO Signal on monitor.

No Video Signal, because the computer isn't sending one out.
Because the computer isn't working.

Know this;

1) If ALL the LED's were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

A Power Supply with a weak voltage power rail, will not have enough power to turn the Processor on.

However not to jump the diagnostic flow chart; check the monitor cable FIRST.
Use on another known to be working computer. If it checks out OK, the problem is the computer, and I think -> Power Supply.

Test the 3 main voltages on the Power Supply, with a multimeter set to DC Voltage; OR use a KNOWN to be good, Compatible power supply, for a test unit.

For additional questions please post in a Comment.
Regards,
joecoolvette

Dec 29, 2012 | Computers & Internet

1 Answer

Green power supply light is flashing so power is getting to the computer, however the computer will not start from start button. Have removed case and tried ***** start button. Didn't work. Comput


Power getting to the computer/Power Supply?
Yeah.

Power Supply good? -> NO

A) IF ALL of the LED lights were on at once, they would use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

HP Pavilion a810n Desktop PC?
Uses an AMD Athlon 64 3300+ processor,
(Operates Up To a frequency rate of 2.4GHz)

http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=c00280647

http://en.wikipedia.org/wiki/List_of_amd_athlon_64_microprocessors#.22Newcastle.22_.28CG.2C_130_nm.29

Can use up to 89 Watts of power.

Your Power Supply doesn't even have enough power to spin fans, much less start the Processor.

Want to test the Power Supply? Have a multimeter?
No? Have a power supply you can borrow for a test unit?
KNOWN to be good, and Compatible?

For additional questions please post in a Comment.
Regards,
joecoolvette

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1 Answer

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Try swapping the power button connection with the reset button connection. Then to turn on your computer you will need to press the reset button. If that works you have a faulty power button. Otherwise try using a different PSU. One that you know works. If that doesn't help the motherboard will have to be replaced.

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The bulb is a discharge type - it needs a very high tension to work. The role of the ballast board is to convert the low voltage DC current coming from the power source in a high tension DC current for the bulb. Unfortunately you were truly unlucky : when the ballast board died it sent a high tension surge thru the power source and from there at the other components on the mainboard - the processor couldn't handle it and got fried. So now when you try to start the projector this is what happens: the power source starts normally - the status light goes to green as it should; it functions normally so it powers the ballast board and the rest of the mainboard - the ballast works so the bulb lights up; the mainboard on the other hand remains dead because the processor is dead so no sustain signal is sent to the power source; without the sustain signal the power source goes, as it should , in an very normal stand-by - the status light goes to red.
The entire mainboard will have to be replaced - you can't replace just the processor, it's glued in there. This is going to be expensive so ask a quote before doing it.

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1 Answer

RE ASUS P5S800-VM Motherboard.. system will not power up.. processor heatsink fan does not power up ... but ... removing processor and pressing power switch fan does work.. what is the problem??


Bad Power Supply. Weak voltage power rail.

[There are three main power rails in the SMPS for your desktop computer.
A) The 3.3 Volt power rail
B) The 5 Volt power rail
C) The 12 Volt power rail ]

1) ALL of the LED lights on at once use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use 51 to 125 Watts of power.
Just depends on what Processor it.

Remove the Processor, and you will have power to light LED lights, and spin fans.
Of course without a Processor operating, you have No computer.

Replace the Power Supply.

Do you have a KNOWN to be good, Compatible power supply available to use for a test unit?

Need guidance in replacing, or suggestions for Power Supply's to choose from, post In a Comment.

Regards,
joecoolvette

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1 Answer

My Faroudja DVP 2200 isn't working. It won’t turn on anymore. I removed the cover and checked the fuse – and it was fine. I am not sure is there is another fuse. I had some previous issues where it...


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1 Answer

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1 Answer

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If this answer helps, please don't forget to rate.

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1 Answer

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