Question about GE 46GW947 46" Rear Projection Television

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Convergence Pattern I need to know how to access the convergence pattern. I know it's a combo of the front panel buttons, but the specifics are out of google's reach it would seem.

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On the TV press and hold menu, while holding the menu button press the power button and at the same time press the volume up button. this will bing up the service menu. leaving the left side at V0 on your remote or tv set the right side menu to 80 and hit channel up

Posted on Nov 26, 2007

  • Chad Wieland
    Chad Wieland Nov 26, 2007

    On the TV press and hold menu, while holding the menu button press the
    power button and at the same time press the volume up button.
    this will
    bing up the service menu. leaving the left side at V0 on your remote or
    tv set the right side menu to 80 and hit channel up.

    The person above is right.. purchased the service manual and adjusted my convergence.. its ummmm fu-bared now.. i am in desperate need of any info on how to reset it.

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Hi, Your problem is in the convergance? Ever done the convergance on a proj tv? If you have, then you can find the convergance board behind the speakers as i recall IF YOU HAVEN'T DON'T START NOW. UNLESS,,, you have the service manual, or the knowledge to, and the test patterns neccassary, to do it. Each color has approx 10 adjustments for vertical deflection, and 10 for Horiz. IF YOU TRY IT and don't have any idea,, you WILL make it worse!!! It takes about 4 hrs to do it right for a qualified tech so ya better think of it as an all day affair! good luck

Posted on Feb 26, 2006

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1 Answer

How do you access the convergence calibration menu on a RCA P52926 Rear Projection TV


Hello
To access the convergence calibration:

Press the MENU button on the remote.

2. Press 3 to select the Screen option.

3. Press 4 to select the Adjust Projection TV option.

4. Press 4 to select the Advanced Convergence option (the
Advanced Convergence screen appears).

The green pattern is fixed. The red and blue patterns are adjusted to

the green pattern. The Red Convergence appears first by default.

5. Colored cross-hairs show the current adjustment position on the

grid. To move the cross-hairs to a different position, use the

CH+/- buttons on the remote to move the cross-hair highlight up

and down, and the VOL+/- buttons to move it right and left.

6. Use the arrow buttons to adjust the red pattern. Each press of

the arrow button makes a slight adjustment from the center of

the cross-hairs - you can press and hold the desired arrow

button to make a faster adjustment, and then make fine

adjustments with single presses of the arrow button.

7. Press the INFO button to switch to Blue convergence and follow

the steps above to adjust the blue pattern.

8. Press OK to exit. You will be asked if you want to save the
adjustments

Yes Saves adjustments.

No Returns to the Advanced Convergence screen allowing

further adjustments.
Clear Exits screen without making any changes

Note: Before you use the advanced convergence feature, you must
complete the previous steps to align the tubes

May 19, 2011 | RCA P52926 52" Rear Projection Television

1 Answer

I have the Hitachi 53FDX20B Manufactured in October 2002. It had the convergence problem where the upper left corner was a mixed up coloring and kind of a wavy line that didnt move. Color correction...


You need to replace both of your convergence ICs STK392-110s
use 120s Mats has them 1-800-628-1118 Check Low ohm resistors near ICs 1.8ohms 3.9ohms 2.7ohms etc... RK48 RK50 RK54 RK58 RK60.
On front of convergence board is a blue contact switch this is how you enter convergence pattern R/G/B to adjust convergence,
you can remove Front bottom panel and see the contact switch from front of TV With TV on Press and release then Pattern should come up. When you call Mats ask if they have Convergence Kit that has ICs and resistors in it!

Sep 26, 2010 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

The color lines don't line up correctly so I need the layout for the buttons on the remote control to make the adjustments.


Replace Both of your STK ICs they are big black ICs will have part number on them STK392-110 or 150s
Call MATs Electronics for parts 1-800-628-1118

There is no code for Entering into service mode for convergence remove front bottom panel and on convergence board you will see a contact switch button press and hold 5secs then convergence Pattern should appear

Jan 06, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hitachi 43uwx10b. How do i test resistors for convergence? i replaced i/c chips with upgraded stk394-160 and all resistors i was told rk42=3.3ohm/ rk46=1.8ohm/ rk50=2.7ohm/ rk54=1.5ohm/ rk58=3.9ohm/ and...


You have all the resistor are correct! Yes I can Tell you exactly what you need to know and How to Save settings after you adjust convergence, I have to pull out my manual on your hand unit Be right back. first you need to go to front of TV remove front bottom panel to where you can see the front of chassis on the board you replaced ICs there is a small blue contact button with TV on press and hold for 5secs Convergence Pattern should appear! You will need your hand unit to begin to adjust convergences.

Dec 17, 2009 | Hitachi 43UWX10B 43" Rear Projection...

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

I changed the IC chips on my hitachi 53uwx10b tv like you guys said that helped alot but still have wavey lines on both sides of the screen what do I change on the con. board now? Thanks alot Jim


Resistors " RK42 3.3ohms
RK46 1.8ohms RK50 2.7ohms RK54 1.5ohms RK58 3.9ohms RK62 2.2ohms After you replace all of them then enter convergence by pulling OFF bottom front panel there on front of convergence board is a small blue button press it and a convergence pattern will come up now aline each color red then blue.

Sep 24, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Sd-p40


Have you tried to do set the convergence with a pattern on the screen? Some tv's have the pattern built right into the setup. Others do it auto just by pushing a button. Adjusting the pattern on one side of the screen may affect the other side, depending on how far out of whack it is.

Magnets (speakers) near by will play havoc with convergence.

Peter

Aug 04, 2008 | Pioneer SD-P50A5-K 50" Rear Projection...

1 Answer

Hitachi 53uwx10b Convergence


You must have the original remote to do complete convergence adjustments. Remote method: Press MAGIC FOCUS button on front panel to start the magic focus. When magic focus is running, press MAGIC FOCUS again. STOP should appear onscreen. Immediately press RECALL or STATUS on the remote (must be pressed before STOP vanishes). The set is now in DCAM (Digital Convergence Adjustment Mode). Manual method: Remove the front grill and access panel or reach around from the back and press the little pushbutton located in the front left corner of the PC board, next to the Digital Convergence Module.
Once in DCAM, the remote buttons STATUS selects green, 0 selects red and ANT selects blue. 2,4,5 and 6 move the cursor and the thumbstick makes the corrections.Make all necessary corrections and then press PIP MODE. The words ROM WRITE? appear onscreen. Press PIP MODE again to store settings. When green dots appear, press MUTE to return to convergence pattern. Press PIP MODE (ROM WRITE? appears again) and then press PIP CH. This will Initialize the internal sensor data positions. When INIT finishes, press POWER on the TV and convergence is complete.

Mar 26, 2008 | Televison & Video

1 Answer

Akai PT4298HD Rear Projection


Perfect Focus and the convergence screen are for convergence, not actual focus. Real focusing is done in a combination of two ways: electrostatic and optical. And to do it right you need a good test pattern, like the convergence pattern from the Digital Video Essentials DVD. At a bare minimum turn your contrast down to half (don't use "dynamic" mode, ever).

This is going to sound scary, cuz it terrified me at first but now I'm comfortable with it:

To focus electrostatically, the front panel under the speakers needs to come off. As in actually unscrewing some screws and opening up your tv. Do all of this without cats or toddlers in the room. There are three circuit boards on which the picture tubes are mounted, and each board has a focusing knob next to the words "red," "green," and "blue." Do not touch ANYTHING other than these knobs. Twist the focus back and forth until it is as focused as it will get. The lines on the convergence pattern will get fatter or skinnier. If they get fat in one direction and skinny in the other, find the best compromise. Do not focus the blue too perfectly, as perfectly focused blue lessens the amount of blue relative to the other colors, making whites look yellowish.

Next you really need to clean your lenses, they are filthy from dust and that's why the focusing is so bad. For this tv, you'll want all three panels on the front to come off. That's about twenty screws, both on the sides of the tv and the undersides of the panels. The middle panel that covers the speakers can rest on the floor by the front panel, but the screen panel needs a resting place. An ottoman, or a chair with a towel on it, makes a good place to rest the screen (parallel to the floor).

Each CRT has a set of focusing lenses, and these can be removed. Do one at a time. They come off from four screws each. FOUR SCREWS. Do NOT unscrew anything else, as just under the lenses is a cover for the CRT. Take this off and you risk coolant leak, leading to expensive electrical problems. Do not, repeat, NOT touch either the lenses or the mirror with your fingers. One scratch is bad. Scuff marks can destroy a picture. These lenses and mirror are easily damaged.

http://www.keohi.com/keohihdtv/learnabout/generaltips/screenoptics.html

There are some cleaning techniques there. I'd only bother cleaning the top and bottom of the lens assembly. Don't mess with the wingnut on the side, we'll handle that later.

Now, with your CRT lenses back on (wingnut facing towards the mirror), replace all of the panels and rescrew the screws. Next we do optical focusing. Again, this is where test patterns from a test pattern DVD come in handy. Regardless of what TV a person owns, a DVD like Digital Video Essentials is, well, essential.

This time we're taking a panel off the *back* of the TV. Scary, huh? Specifically, the bottom one (there are two big back panels). About fifteen screws, four of which are the same ones you do to get the front bottom panel off. Get all of the screws off, pull it back, and lift it out. Don't touch any of the electrical stuff. From here, if you are careful, you can reach up under the mirror and untighten the wingnuts on each CRT lens assembly. If you are using a test pattern, use a standard definition one here, makes the scanlines easier to see.

Here's what I do to focus each gun:
1) Put on a full screen of green, red, or blue, depending on which gun I'm focusing. DVE has just these patterns.
2) Untighten the wingnut, and start making minute adjustments.
3) What you want to see is *scanlines*, as clearly as possible. Make a tiny adjustment, get back around to the front of the tv, and see how well you can make out scanlines. An all-green screen should actually be a bunch of horizontal lines of green. If you can't make out these lines, you aren't focused.
4) If you don't seem to be making progress at all, switch to DVE's convergence pattern to make sure you haven't completely lost focus on that color. You want to start from good focus, and then fine tune very delicately.
5) You may find it hard to get blue-focus perfect. That's okay, really, as blue is a filler color. Green was very hard for me to see lines on, but it was a step up from not being able to see them at all.
6) You may find it necessary to go back and forth between electrostatic focusing and optical focusing adjustments to get them right. That's okay.
7) When it seems you've done the best you can, you're done. Put the back panel back on and rescrew all of the screws.

Now you need to adjust your convergence. You can use the user convergence menu, but it will only get you halfway there, because it only controls like nine or twelve points. What you want is to access the *service* convergence menu. With the tv on, press mute-1-8-3 on your remote (not pressing them all down, just in that sequence). You should switch to a secret built-in convergence screen.

I hate to tell you this, but the only way to save settings made in the service convergence screen that I know of is with a Samsung remote, not the Akai one. This tv is actually a Samsung after all, and the Akai remote is missing some buttons that the Samsung remote has. You can buy them off partstore.com, among other places. Here are what the buttons do:

7-allows you to control red convergence
8-allows you to control green convergence (what the screen defaults to)
9-allows you to control blue convergence
+100-turns red on or off
0-turns green on or off
pre-ch-turns blue on or off
circular direction buttons-moves the cursor to a new convergence point
channel up/down-moves the convergence up or down
volume up/down-moves the convergence left or right

ONLY ON THE SAMSUNG REMOTE:
add/erase-saves settings after blinking the screen and centering the cursor

If you can find a button on the Akai remote that does that, you won't need to buy a Samsung remote.

BTW, you'll want to do this service convergence on each scan rate. So one for 480p (from a progressive scan DVD player), once for 480i (s-video source or non-progressive DVD player), and once for HD (I use my HD DVD copy of DVE).

Feb 05, 2008 | Akai PT4298HD Rear Projection Television

2 Answers

Convergence Adjustment Pattern


The grid is moveable in both directions. Consult your manual, or go online to Samsung customer support and type in your model set...accordianman

Oct 13, 2007 | Samsung HC-P4363W 43 in. TV/DVD Combo

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