Question about Samsung PCN5425R 54" Rear Projection Television

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RED I cannot get the "red" color to align with the blue and the green colors. I can move right and left, up and down, but cannot get the red to move where it belongs. Please Help?

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I have the same problem. I've used the controls to get it close, but not right yet. If I push perfect picture button it goes out of wack: I have to start all over again. Have you found a solution? Please share. It wants to adjust, just not enough (red) control.

Posted on Oct 06, 2007

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To do a proper convergence alignment always use your geen as refferance to work from bring the red and blue to the green also find the center of the screen and on the top and bottom to be sure your geen is centered then start/g

Posted on Aug 18, 2007

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My screen looks like its 3D.

Your tv has a problem with the convergence, adjust it using the original remote go to the setting's menu then go to the convergence section. Adjust the convergence color red and blue the green color is your guide you cannot move this green color, then you should move the red and the blue in all direction left to right, up and down. If you cannot move the red and the blue far enough the convergence IC is defective it must be replace in order to align this convergence. Feel free to send feed back good day and best regards.

Aug 14, 2011 | RCA HD56W66 56" HDTV

1 Answer

The screen seems to have two of the same image, green and red.

The fix is to replace the two Convergence IC's( STK392-110's) with STK392-150's. They are located to the right side of the chassis and mounted to large heat sinks. Be also on the look out for some burnt resisters and or discolored resistors that failed becuase of the IC's failing. These would be located just to the left of the heat sinks. If they are burnt or severly discolored, you will need to replace them with the exact valued resistors. In this high current circuit it is a must.
I hope this helps,

Jan 07, 2010 | Hitachi 60FX32B 60" Rear Projection...

1 Answer

I can't align red or green bulbs with the digital array, how can I get them to move left/right they only move up/down.

There are two common problems with these sets.

Problem #1) Convergence

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


Oct 25, 2009 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Covergence out of alignment on 1/4 Vertical left side of screen

You need to manually adjust the alignment:
On remote, press Menu to get to the main menu
Then arrow down to "ADVANCED FEATURES"
Then press "enter"
Then Arrow down to "CONVERGENCE" and press "enter"
"Red Convergence" should be highlighted
Press "enter"
You now have Green, Red, and Blue overlapping crosses.
If Red is out of whack, use arrows to align
To toggle to blue (and back to red), press "VIDEO"
Then align blue cross
Once the crosses look aligned, and nice and white, press "AUDIO"
This will bring up the Advanced Convergence screen
This is a grid of the same overlapping colors
You have control over the Red and Blue
If Green is very out of whack, you'll need a repairman…
While the "target" is flashing, you can move it around the screen with the arrows
Place it over an intersection to adjust, then press "enter"
Now the "target" is steady (not flashing), and you can use the arrows move your color
When it's aligned, press "enter" again
Now "target is flashing, and you can go to the next square.
You cannot adjust every intersection.
Some areas need to be adjusted via the adjacent intersection
When you're happy with color you're working on,
Press "video" while target is flashing to change to the other color
Repeat the above (blue is much harder to see and adjust for me…)
When you're happy with the entire grid, start hitting "Menu"
Each press brings you back out one menu level, until you are out of them
Once you're used to the process, it should take no more than a minute or two.

Mar 02, 2009 | Mitsubishi WT-46805 46" Rear Projection...

1 Answer

Convergence -manual

Replace the convergence amps and test and replace any or all of the 2.2ohm resistors in the yoke return path out in front of the amps. This unit takes two STK392-110 Sanyo originals, DO NOT GET CHINESE KNOCK-OFFS... Buy them from Acme sales out of Florida and you can be assured they're originals.

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631

Oct 11, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Colors Misalinged

You have what is known as covergence problems. Ok to begin with. 1 Go into customer menus goto SETUP do you have the "CONVERGENCE" option. If you do not the the likelyhood is you have the fl231 fuse problem and if you can solder and get it i recomend it a simple repair. ok if you have that option then try going in and autoconvergening if that didnt work try manual the red and blue convergence. if in the manual red and blue the crosshair didnt move then you probably have convergence power board problem if only one moved or just move a up and down or left of right then it might be a amp board issue. the other problems it could need a simple factory alignment.

Aug 26, 2008 | RCA HD56W66 56" HDTV

3 Answers

No color adjustment


Problem with Hitachi 51F500 51 in. Rear Projection HDTV-Ready Television
i want to learn how to do convergence on my tv its a hitachi rear projection i have problums with colors not aligning,could you lead me in the right direction ps: i don't have the remote so i

can't magic focus

Posted by avatar13.jpgejaparks on Mar 03, 2011

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Solutions (1)

Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from and do the repair yourself. Its a fairly easy DIY fix.
Here is an example photo.... louis66_0.jpg

Jul 04, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Color alignment problem

You will need to put the unit into wahts called service mode because it will have to totally realigned since you change the whole module you changed the chip that had you stored memory setting for convergence called an EEPROM. here in the shop I would unsolder the old EEPROM and put it on the new BOARD. Also on most models you don't have adjustments for the green you have to move red and blue to match green. Imay want you to describe again to me what you can adjust now with the new board in the unit can you move all colors left right and up/down

Mar 10, 2008 | Samsung HCM4215W 42" Rear Projection...

2 Answers

Color guns out of alignment

It sounds to me like the convergence amps themselves have failed. Ic7001 and Ic7002, both are STK392-110 Sanyo built Ic's and not an expensive job for a qualified shop. When shopping around for a shop to repair it ask what they charge for replacement of the convergence amps in this unit. And take the unit to them to save pickup and delivery charges...
Have a great day!

Dec 21, 2006 | Panasonic PT-53WX53 53" Rear Projection...

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