Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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Blows damper diode after few hours

Blows damper diode after a few hours or sometimes a day or so. Caught it once heard a snap and lost convergence due to shorted damper diode sides also pulled in. Think I have a bad crt or leaky divider block?

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  • Mike Cutty Oct 09, 2007

    was a bad deflection yoke

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  • Master
  • 1,694 Answers

Snap,then problem is usually bad flyback. Part # 259296.

Posted on Oct 09, 2007

  • Vista Electronics Oct 09, 2007

    Note:use OEM quality or better diode for replacement.T.

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Posted on Jan 02, 2017

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Why the air sometimes does not blow in a 2000 Isuzu Rodeo


Since it is intermittent. Check plugs to the controller and blower.

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2007-Nissan Murano-air blows to specified temperature on the driver side vents, but does not adjust on passenger side-blows only cold or ambient air


the flapper damper valves are stuck.
due to
1: cable broken or sheath loose.
2: cable not attached at either end.
3;bad flapper inside duct or lever to it snapped. or fell off.

its just a flapper , watch it and see if it works.
open or closed, using a flash light, under the dash.

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1 Answer

2007 equinox blows only hot air when vehicle is very hot.


It may actually be possible that the damper is sticking due to heat based deformity until air flow of any type purges the excessive heat.

That could be due to a manufacturing defect or worn hinge points.

You may get a better feel for how the dampers are working by calibrating the HVAC control;

1. With ignition ON and engine not running, press AC and Recirc 3 times in under 2 seconds
2. Verify AC and Recirc LEDs flash, wait 15 seconds for the re-calibration to complete, you may hear the damper doors cycling while calibration occurs. If audible movement is heard, listen that no dragging occurs during that movement
3. Once calibration is complete, press the AC and Recirc buttons to see the LEDs change
4. If LEDs don't change after their buttons are pressed, take the vehicle to the local dealer for electrical diagnosis
5. If dragging of the damper doors is heard, that may be the root of the possible sticking in hot weather.
Have the dealer or other competent mechanic check those dampers

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1 Answer

Heater blows out cold air on the drivers side


Is this a GMC or Chevrolet? If so what Year? The most probable cause of this condition is one or more Damper Stepper Motor failures. These are prone to failure due to the Manufacturers failure to spend a few more pennies for Premium Quality devices. The replacement is often very costly due to the location of the one most prone to failure is located on the top of the Plenum which requires a technician several hours to replace.

If only the drivers side is affected and the passengers side has full control it could be the Dual Control module is defective. These are far easier to replace and less costly.

Fastest Robe

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1 Answer

When I turn the TV on, sometimes it stays on for hours on end. Other times it will only stay on for a half a second, or even a few seconds then blow out and turn off. It used to just blow out once in a...


the blinking light signifies to a repair technician with capacitors or circuits are having an issue they can diagnose the problem via the amount of blinks in between pauses however it will require a technician and some specific tools and schematics to fix and it may be cheaper if its no longer under warranty to purchase a new one


Hope this helped
Robb

Aug 24, 2010 | Vizio P50HDTV10A 50 in. Plasma HDTV

1 Answer

While running, heard a "snap"


This is probably a shorted high voltage rectifier diode. See this link:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted or burned, it's probably okay)

We have the service manuals you need and have uploaded them here and here to help you.
You can find links to helpful exploded view diagrams and part ordering help here.
I recommend that you bookmark that link to your favorites.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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Lost heat on microwave ,everything else works fine simple fix?


Inexpensive fix yes, but quite dangerous as you have to either replace the High voltage Diode or the magnetron depending on what has gone. Most often it is the Diode as that is fed a few thousand volts and anomolies such as a surge in current cause it to blow(popping sound) You can also check the fuses and if lucky it is just a fuse, but a fuse very seldomly just blows as it points to an underlying fault such as magnetron , capacitor or Diode. Have a service man attend to it unless you know what you are doing as you are dealing with lethal voltages and current even after the microwave has been switched off.

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2006 Passat Air Conditioning Problem


There is an electrical relay that is malfuctioning. I had the same problem on my 2000 VW Passat. I just got it fixed, part cost 48 dollars and labor will be about an hour.

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Haier hsp03wna not working


The click you heard is the thermal overload. This snaps open when the compressor is too hot.
Unplug the unit for 24 hours and don't move it.
Then plug it in and see if it comes back on temp.

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1 Answer

Blowing Convergence Amp Boards


either the DCU Digital convergence Unit or the velocity board are most likely the fault.

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