Question about JVC AV-48WP30 48" Rear Projection Television

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Color convergence controls on remote don't work in some areas, ie: location 1 cross won't go up and down, area 5 won't go side to side, etc. Can I adjust the color convergence another way ? I tried the volume & channel buttons on the TV, but it would'nt work either.

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  • JVC Master
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No,the convergence is dead,must get the convergence kit,replace it what in that kit.U know how to solder right?Tries these website Tv Repair World.com,Shopjimmy.com or Ebay.com.

Posted on Sep 28, 2009

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  • JVC Master
  • 1,779 Answers

It sounds like the convergence ic's have gone bad. Have a service tech look at it because some models of JVC were made by Samsung and they developed a fluid leak from the CRTs which in turn cause this same type of problem.

Posted on Sep 28, 2009

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I am wonering how to reset the yellow blue and red color grid ?


If you are talking about convergence there is a setting in the customer menu and with the original remote try adjusting there--a color that will NOT adjust in some area of the screen up/down or left/right means the set has a convergence problem.

Parts need to be located and replaced if that is the case.

May 26, 2012 | Zenith Televison & Video

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Just don't know with this one - Guess, shoddy ghosty 3D images,side way hour glass.


2004 or there abouts, Rear projection with the 3 picture tubes--16X9 HD ready.

Most common issue is convergence--see photos--if that with the Original remote go into the main menu and call up convergence--should display about 9 points on the screen with crosses---remote should (look at owner manual) allow you to try to adjust so you have yellow crosses with no red or blue or very little showing--if adjusts you are ok.


If will not adjust in some area up/down or left right the convergence circuit needs repair--should use two stk-392-040 or -020 chips--on this smaller set usually on a board inside above the main boards--

See if will adjust first (universal will not work for that) and let me know..



4_8_2012_5_29_38_pm.jpg


4_8_2012_5_30_12_pm.jpg



4_8_2012_5_30_46_pm.jpg
typical ic used, your will have a different stk number on it.

Apr 08, 2012 | Televison & Video

1 Answer

My big screen panasonic tv has a double fuzzy picture what am I supposse to doto fix it


Adjust the convergence or reset it to factory default. Use only the remote when adjusting convergence. The front controls have no effect.
  1. Press action button to enter MENU.
  2. Navigate to SETUP.
  3. Scroll down to CONVERGE.
  4. Press VOL > to select.
  5. Press CH buttons to navigate up or down.
  6. Choose CONVERGENCE ADJ or RESET TO DEFAULT.
  7. Press VOL > to select.
  8. If CONVERGENCE ADJ is selected the align Green to Center screen will be displayed.
  9. Use the navigation buttons on the remote control to align the horizontal and vertical green lines on screen, with the cabinet reference marks on top center and left
    center of cabinet.
  10. Press ACTION button to display red center correction screen.
  11. Use the navigation buttons on the remote control to align the red cross with the white cross pattern at the center of the screen. To prevent picture tube damage do not leave test pattern on for an extended period of time.
  12. Press “0” on the remote control keypad to display the BLUE center correction screen, repeat procedure for adjusting blue. If needed press “0” again to return to RED correction screen. An adjusted cross pattern appears white with a minimum of color protrusion.
NINE POINT CONVERGENCE CORRECTION
Remote Control must be in TV mode.
  1. Press ACTION button to display red correction screen.
  2. Press the 1 through 9 keypad buttons on the remote control to select the desired convergence position.
  3. Use the navigation buttons to align the RED cross with the white cross pattern.
  4. Press “0” on the remote control keypad to display the BLUE correction screen, then repeat procedure.
  5. To exit press ACTION button repeatedly, then press CH up.


Nov 07, 2009 | Panasonic PT-47WX53 47" 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 problem, how to fix with my remote?


There is a secret service menu to converge the Sony KP53HS30.

Caution: Be careful, there are many settings that can be tampered with. Some may be hard to undo.

Procedure: (use the remote control for these steps unless noted)

1. Turn TV off with System Off (under flap on remote)

2. Press: Display, 5, Volume +, then Power. If successful, service text will appear on the screen.

3. Use 2 & 5 to select the PJE Category.

4. Press 9 to get to fine convergence adjusting.

5. Press 6 several times to get the convergence screen of choice. I like the grid.

6. Use the remote's arrow keys (joystick), move the brackets around until you have found the area to adjust. Press the center of the joystick to change the bracket from white to a color. Use the joystick to adjust the color. Press 3 to change color to adjust. When done, press center of joystick again.

Note: Try to keep the grid even and squared up.

7. Repeat steps 5 and/or 6 for all parts of the screen that need it.

8. Once done, you need to save your settings. Press: Mute, Enter. Then on the TV, press "Flash Focus"

9. Turn off power.

TV is ready to use.

Jan 19, 2009 | Sony KP-53HS30 53" Rear Projection...

1 Answer

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I am still working on it! Need a technician in Alacante Spain!

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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

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 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...

3 Answers

Convergence


Touch-up Convergence adjustments Enter the Digital Convergence Mode (DCM) by entering 0-6-2-5-9-7-(Status or Index) on the Remote control. The following menu will appear: Select an active channel or Aux Input. A signal must be applied to the set when performing convergence. If any Customer Adjustments need to be made, the Menu button can be used to toggle between the Customer Menu and DCM. The MPOSD ADJUST is used to center the Customer Convergence grid. A highlighted cross will appear along with the Convergence alignment grid. The highlighted cross should be centered onto the center of the Convergence grid. To perform a Touch Up Convergence, highlight SELECTION and press the right cursor button on the remote. The following menu will appear: Selections STORE, RESTORE FACTORY, and RESTORE DEFAULT are not shown after selecting SELECTION. Press the cursor down button on the Remote for these selections to appear. RESTORE FACTORY loads Convergence defaults from the Factory Loaded section of the Convergence Memory IC. RESTORE DEFAULT loads Convergence defaults from the sets software. To perform a Touch-up Convergence: 1. Enter the Convergence Mode and select RED TO GREEN or BLUE TO GREEN. Do not select GREEN (Green Geometry) without placing a Template over the screen. To perform Green Geometry, refer to the Complete in-depth Convergence. 2. Use the Cursor buttons on the Remote to Navigate from one adjustment point to another. Press the Status or Index button on the Remote to select ADJUST. Use the cursor buttons on the Remote to adjust the Red to Green or Blue to Green. Press the Status or Index button again to navigate to the next adjustment location. 3. After Convergence alignments are complete, press the Menu button on the Remote to return to the SELECTION menu. 4. Highlight the STORE selection and press the right cursor key on the Remote to save changes. 5. Use the GREEN TO RED or GREEN TO BLUE selections to perform convergence when the Green CRT has been replaced.

Aug 18, 2007 | Philips 60P8342 60" Rear Projection...

1 Answer

SONY KP-61HS30


When one or all the colors are bending severly, then the convergence circuit is not functioning correctly and must be repaired. Only one color bending means just the convergence ICs and all colors bending means convergence ICs and voltage supplies. Convergence issues are the most common problem with rear projection (w/picture tubes) televisions. The cure is replacing the convergence IC's. Sometimes the pico fuses need replaced as well. If you have the experience to use a soldering iron and a basic understanding of electronics, then, you may be able to do this job. If not then call a servicer in your area. Go to the Sony website, Sony.com, and you can locate one in your area.

Jan 07, 2007 | Sony KP-61HS30 TV

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