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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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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2 Answers

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.

Sep 28, 2013 | 2006 - 2007 Nissan Murano Grille 1650-99-1...

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

Jul 09, 2017 | 2007 Chevrolet Equinox LT1

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

Jan 07, 2012 | Cars & Trucks

1 Answer

My Tv was working fine for 10yrs then one day i try to turn it on and nothing happen...I heard 2-3 clicks and nothing else. ( NO PICTURE OR AUDIO!!!...This Tv has been great to me over the years, The...


try to look for the power supply area, it is found on where the main plug is connected check if there are busted fuse of shorted parts,, the "clicks that you heard are the relays. relays are loosing out of supply because of a shorted parts like transistor or diodes or sometimes loose connection. Parts description are found in alldatasheet.com for you to know how to test the parts that u suspect

Jul 20, 2011 | RCA P50830BL 50" Rear Projection...

1 Answer

WILL START DRIVE A FEW BLOCKS , THEN SIT 5 MIN GO TO START AND WILL ONLY CRANK CHECK FUEL FUSE SOMETIMES BLOWN OTHER TIMES NOT HIT TANK THEN MAY START , MIGHT TURN OFF AND THEN MAY BLOW FUSE, REPLACE FUSE...


for 1 fuse blown evry so often then you must have a short somewhere, the fact that it will crank and not start is most likely ur fuel pump , had the same issue with getting fuel to start or keep car running, possible that short could be by the fuel pump, the fuel pump is located under the rear seat and if im not mistaken it is on the drivers side rear

Feb 15, 2011 | 2002 Lincoln LS

2 Answers

Hi My tv is hard to turn on sometimes, and when it turns on then after some seconds or sometimes minutes, it turs off and remain on standby. Other times it turns on and runs ok for hours!!. Any help is...


Hello,
All you need to do is to open the back cover of the television to check for dry soldering and bulged capacitor, if found replace with appropriate parts.
You need to check the output voltages of the power supply to see which one goes off. It may be due to short circuits some where.

Good luck in solving the problem.....

Oct 04, 2010 | Televison & Video

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.

May 05, 2010 | Sharp R-1502 Microwave Oven

1 Answer

Rca p46813bl convergence problem bowed in the


OK., I know this set very well. It almost never has a convergence problem.

With the set unplugged, remove the back cover--there is a small circuit board mounted ABOVE the main boards--it is about 10 inches wide and 4 inches tall---On the far right side of it are several DIODES---two are much larger then the rest--what usually happens is one of the large diodes is shorted--5 dollar part---the board only has a few plugs and 4 screws that hold it in---easy to remove--check all the diodes(the two large ones first)

If either of the large diodes read like a fuse you FOUND YOUR TROUBLE.

LET me know if you need ANY help or Advice--I am here to help people---I have seen several sets identical to yours with the problem you describe.

Regards, SD TECH

Oct 06, 2009 | RCA P46924 46" Rear Projection Television

1 Answer

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.

Jun 02, 2009 | Haier HSP03WNA Compact Refrigerator

1 Answer

50" Mitsubushi Projection TV


Usually what I find in those sets with that symptom is that the solder joints have cracked on the convergence output IC. When this happens you may see the colors no longer lining up on the screen, and slapping the side might temporarily straighten it out again. After a while the convergence IC will short out inside, which overloads the convergence power supply, possibly shorting a diode and/or burning the resistors. The computer senses that the power supply is not working right and shuts the set back off. When I make a housecall for a set like that I charge $150, but some shops charge up to $400, so ask around.

Aug 04, 2007 | Mitsubishi VS-55707 TV

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