Question about Zenith B27A11Z 27" TV

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How To Adjust Convergence - Zenth Z25X225

I need the access sequence to get into the service mode so I can set the convergence on my Zenith Z25X225.Text is very blurry on Directv menu - regular picture ok. I've never accessed this service mode so I hope it works.

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No you cant do that.in service mode you dont have that option for this tv.you only have this option at projection tv-s

Posted on Aug 26, 2009

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I think my convergence is off. Just the green and red seem to look off. I do not know how to adjust each color. When you go into the convergence setting under the menu and it just does like an automatic...


You will need to know How to Enter the Service Menu to bring up the Convergence Pattern in order to adjust the Convergence,another thing is it depends on which chassis you have RCA had bought the right to use the name Zenith, when in fact these TVs had RCA Chassis and not Zenith Chassis
Remove the back to Tv, Make sure TV is unpluged and look to see if you have on a board Located on the right hand side
2 Big Black ICs they will have Part number on them example STK392-570 these are your convergence ICs that need to be replaced.You can exchange this board for new board at Zenith exchange moduels 1-800-632-6637
But if you have the RCA Chassis then you will have 2 bottom boards one on the Left hand side will be the Deflection board it will have the FBT flyback transfomer on it and their is 2 Ribbons that connect to the board on the right handside which is the ssb board that has your cable/AV input jacks on it.and their will be 2 boards above the 2 bottom boards if these are the boards you have then you can with Tv Off Press and Hold vol- and ch- wait untill TV comes on,release buttons and then you should be in the service menu to adjust convergence manually. R/G/B
For these chassis PTS rebuilts boards 1-800-844-7871

Jun 26, 2011 | Zenith R57W46 57" Rear Projection...

1 Answer

How do i make all the colors sync up to get rid of yellow and blue shadowing


Go into the customer menu with the remote and select convergence; if red or blue will not adjust in some direction you have a convergence circuit problem----depending on actual model number set uses two convergence chips--they would have to be replaced.

If the convergence does adjust in the customer menu but not good enough I can give you the sequence to get into the tech menu to fine adjust-remember if if will not adjust in the customer mode, it will not adjust in the tech mode either.

See attached photo of Philips convergence problem.

If this told you something you did not know, rate this solution as I do this here for free.

REGARDS, SD TECH



723880c.jpg

Aug 13, 2010 | Philips Televison & Video

1 Answer

Adjust Convergence on Zenith B27A11Z


You don't adjust convergence through a service mode on one of these sets. With a conventional CRT, convergence is done by physically adjusting the convergence rings on the neck of the tube, and the position of the deflection yoke near the bell. You would also need a crosshatch generator to provide the required test pattern for adjustment.

Feb 09, 2009 | Zenith B27A11Z 27" TV

1 Answer

Samsung HDTV 1080I-Model#HCP4363W-Convergence Problem


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 21, 2009 | Samsung HC-P4752W 47" Rear Projection...

3 Answers

No color adjustment


51f500_51_in_rear_projection_hdtv_190581.jpg

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

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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 www.TvRepairKits.com 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

Zenith converg.serv. menu code: G-Z Chas. with 9-1690


Try this proceedure it should work. Press and hold menu on the set. Then press vol Dn or up plus channel dn so all three buttons on set are pressed down on the set.

May 17, 2008 | Zenith R49W36 49" Rear Projection HDTV

2 Answers

Blurry text on 27-inch Zenith "Sentry 2"


I have had this problem before and restarting the reciever fixed it. Just push the red button under the front panel of your reciever, or unplug the reciever for a minute or so.

May 13, 2008 | Zenith B27A11Z 27" TV

1 Answer

Zenith rear projection tv 56"


The convergence is way off. You may be able to adjust it thru a service mode menu. You'd need to get the model number first.
How old is the set?

Thanks,

SF in Vermont

Jan 29, 2008 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Perfect Focus 2


Use a site like servicemanuals.com and get the service literature for your make/model.Do NOT perform factory reset procedure-that is reserved for when certain parts are changed.You will need the access sequence,adjust info and add to memory step for servicer convergence.Keep in mind--you may have defective convergence IC's.If so,you will have difficulty w/alignment.Use OEM or better IC's no generics!! They won't hold up.

Sep 27, 2007 | Samsung HCN5527W 55" Rear Projection...

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