Question about Pioneer PRO-200 60" Rear Projection Television

4 Answers

VERTICAL PINCUSHION (NORTH & SOUTH PART OF SCREEN)

Had a convergence problem at first. Red would not move left or right during manual convergence. Also had vertical pincushion on north and south part of screen. Checked convergence board (awz6098) and replaced both stk392-110 ICs with stk392-180 ICs. Replaced one power resistor...all others checked out fine. Checked all electrolytic caps and all checked fine. Put board back in and all guns now move, but vertical pincushion is still there. Two technicial friends indicate two different things. One says that the FULL CINEMA CONVERGENCE BOARD (AWZ6108), which is a small 1 1/2" x 3" board that plugs into the main convergence board, is bad. But I do not understand how this can cause the vertical pincushion effect I am experiencing. The other says the set just needs a manual convergence using the service menu. I have the service manual (ARP2988) for this set, but it does not describe the convergence procedure in the service mode. Just refers to the operation manual which is for Joe Homeowner. The service manual (ARP2988) is really a rip off since it doesn't even have all the board schematics in it like the power board or the convergence board. It indicates that it just includes any changes from the service manual for the Pro119 and/or Pro99 (ARP2936). I am sure the service manual for the Pro119 and Pro99 has all the schematics and the service mode convergence procedure, but I can't find one on the web or even from Pioneer. So I need help with two issues. First, what views does anyone have on what can be causing the vertical pincushion effect. Second, does anyone have the service manual for the Pioneer Pro119/Pro99 or, at least, the service mode convergence procedure? Any Help would be appreciated.

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  • FRED VOLPE Aug 08, 2006

    TECHMAN...DUDE!!!! Thanks for your help on finding a manual. I guess you guys do not have technical background to answer other questions.

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Your problem is in the convergence area.you were suppose to have replaced the ic with the original stk392-110 and not 180. check also the resistors around the convergence ics

Posted on Mar 11, 2008

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DUDE!!! Both manuals are available at http://www.servicemanuals.net/ I dont know where you tryed before to get a manual for these sets but both modela are available online at like 20 differant spots.. This one site is the one I trust the most, as they have 99% of any manual I have ever Needed. Good Luck

Posted on Aug 08, 2006

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Whenever a component in a device is replaced it must replaced with the original part, unless the manufacture says differently.

TV sets have minute control voltages which in turn control something else - in an analog/rear projection they control larger voltages for example. It all has to do with resistors, transistors, capacitors, etc. which make up the circuits.

So even though this might appear to work I guarantee your set is not up to spec.

Jeff

Posted on Jun 23, 2008

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I will follow this case I want to learn abouth.....

Posted on Aug 08, 2006

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Related Questions:

1 Answer

Had convergence issues, green was okay, red wouldn't move horizontal, and blue wouldnt move vertical. Also, functions such as pincushion and tilt wouldn't work with red or blue. Replaced convergence IC,...


This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some images of convergence problems.


7859b01.jpg

e87380c.jpg
69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Or goto the site www.TvRepairKits.com for the parts and instructions on how to fix it yourself.

Mar 06, 2011 | Mitsubishi VS-45609 TV

1 Answer

Multi-point convergence -- Lower left quadrant of screen distorted. Red ok. Blue arched up and then done to normal in Lower right quadrant; left-right adj moves vertical gridline but is s-shaped. Blue...


Look in users manual or internet you should find how to access service mode, this is different from regular setup CONVERGENCE, this involves getting into changing parameters to tweek convergence, even after amps are changed. These projection tv's are known for loosing convergence if bumped, moved and amps go bad in time.

Jan 03, 2010 | Pioneer PRO-520HD 53" Rear Projection...

1 Answer

Toshiba 65hdx82 convergence problem, pincushion


Your TV most likely a failure in the convergence circuits. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

May 19, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

My tv needs to be converged but i can't


the left and right volume buttons are what move the convergence horizontally, so if they dont move you will need to replace the convergence ICs .if you need more info I will need the model number of your JVC

Mar 13, 2009 | JVC Televison & Video

1 Answer

Have a sony kf-50xbr800 rear projection tv. Has red line definition on many object but particulary on long or far shots. Tried the service menu recommendations d-gm tg v pos and it didn't correct the...


Hi...

I would try the Convergence setup in the service menu ( IF they allow you to do that)

If the internal convergence isnt enough you might have to have the convergence amps replaced

Jan 02, 2009 | Televison & Video

1 Answer

CRT Rear-Projection Red Vertical Alignment


You may have a convergence problem. Here are some of the most common symptoms and example photos.

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.


2c07611.pngSolution


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

Oct 11, 2008 | Philips 51PP9200D Television

2 Answers

Hitachi 51SWX20B Convergence problem


Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Jan 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

3 Answers

Fine tuning grid on my Samsung HDTV with remote.(BP59-00048)


To adjust manual convergence on your projection TV, follow theses steps:
  1. Turn your TV on.
  2. Let it warm up for 30 minutes.
  3. Press the Menu button on your remote. The Main menu appears.
  4. Use your remote to select Function, and then press the joystick.
  5. Select Convergence, and then press the joystick. The Manual Convergence screen appears.
  6. Select Red, and then press the joystick. A series of crosshairs appears on the screen.
  7. Select one of the outside crosshairs by moving the joystick up/down/right/left or by pressing the 2 (up), 4 (left), 6 (right), or 8 (down) buttons on your remote. The method you use depends on the model of remote you have. Note: You must do the outside crosshairs first.
  1. In the crosshair you selected, if you can see a horizontal red line, use the CH up or CH down buttons to move the line so that it is superimposed on the horizontal center line of the crosshair. Note: Make the single horizontal line as white as possible.
  1. In the crosshair you selected, if you can see a vertical red line, use the Vol + or Vol - buttons to move the line so that it is superimposed on the vertical center line of the crosshair. Note: Make the single vertical line as white as possible.
  1. Repeat for all outside crosshairs, and then for the inside crosshair.
  2. Return to the Manual Convergence Screen, and select Blue, and then press the joystick.
  3. Repeat Steps 7 through 10 for Blue.
  4. Press the Menu button on your remote to exit.
Important: The directions above work for most Samsung Rear Projection TVs. Yours may be different. For exact directions to perform manual convergence, see your user's manual. If you don't have your user's manual on hand, click HERE to view your manual on line.
If you cannot get your Projection TV to converge, it may need to be serviced. To arrange a service appointment, call Samsung Customer Care at 1-800-Samsung (1-800-726-7864). Have your TV's model number and serial number on hand when you call.

Jan 05, 2008 | Samsung BP59-00016A Remote Control

2 Answers

Red convergence will not adjust.


Replace STK393-570 convergence amp IC = common repair
for qualified Mits tech............................T.

Nov 09, 2007 | Mitsubishi WT-42413 42" Rear Projection...

1 Answer

No horizontal red convergence control


Probably the red convergence output IC has failed. The chip is basically a stereo amplifier that serves as a horizontal amplifier and a vertical amplifier. I suspect the vertical part has failed and is not uncommon. Should be generic STK392-150's or maybe STK392-110/120 I believe. By the way when the line moves up and down that means the vertical is working when it moves side to side the horizontal is working.

Feb 03, 2007 | Philips 60PP9202 60" Rear Projection...

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