Question about Akai PT4799HD Rear Projection Television

1 Answer

"check factor data" using self focus

Check factory data message appears when the self focus feature is used. i had blue lines earlier, so entered mute 183, everything looked fine, so did not do any changes, did a self focus in this mode, process is done, then screen goes white.  upon exit, problem is gone, picture looks great, but check factory data message when self focus attempted. i can with out the self focus feature, but am wondering if this is an indication the ic convergence board needs to be replaced,  i tried to reset by unplugging the tv without success. is there another way to reset?

Posted by on

Ad

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Expert
  • 372 Answers

Hi.

Not at all familiar with your tv but this sort of message comes up if you have altered eeprom settings while in engineers mode.
To put it right you will need the work shop manual to know how to reset the settings.

Maybe A tech on these forums can help you out.

http://dysonmanuals.llc.nu/

Chris..

Posted on Jan 08, 2008

  • spazpatnaude Jun 06, 2012

    went in and lined up all the horizonal and vertical in and then centered both horizonal and vertical line poof everything worked including perfect focus, you have to make the center lines line up with the sensors, make sure you save everything before exiting service mode.

×

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

My computer is unable to boot in any of the options, what do i do?


Booting problems with your laptop occur when the computer gets infected by a virus or when there are underlying hardware problems.You can use several troubleshooting techniques before taking the laptop to a service center for repair.

1. Turn on the laptop without pressing the power button too long, to prevent it from turning on and then turning off. Also make sure that the laptop has enough battery power to boot up.

2. Unplug any external drives connected to the computer. These include flash drives, external hard drives or any CD or DVD in the optical drive. Listen closely as you boot the computer. If the laptop is emitting ticking sounds and refuses to boot up at all, the hard drive or another internal component may be damaged. Consider bringing your laptop to a service center.

3. Turn on your computer and boot to "Safe Mode" or "Last known good configuration" if the computer powers on but displays an error before it boots the operating system. If this is the case, the laptop may be infected with a virus.

4. Use the "System Restore" feature in Windows to restore the operating system to an earlier time. Note, however, that this will not work for those whose computers have the "System Restore" feature disabled. Click "Start," "All Programs," "Accessories," "System Tools," and then "System Restore." When the dialog box appears, click on the box for "Restore my computer to an earlier time," and then "Next." Select the restore point that you want and follow further instructions.

5. Resolve a "blue screen" problem. This error screen appears before booting, and is caused by several factors such as virus infection or hardware failure. Read the error message to determine what factor caused the problem. The error message should include troubleshooting tips.

6. Consider repairing the operating system if the computer does not boot at all. This procedure will repair the operating system without erasing your data and settings. Access the Resource list for instructions on how to repair Windows.

I hope you find it very helpful. Thank you for using fixya.

Aug 15, 2011 | Computers & Internet

2 Answers

My bluetooth is not working what should I do


First check to see if it is activated...(enabled) for this ...go to bios ..settings by pressing F2 on start right after the first written lines appears...There select with the errows for up and down the feature called optimal factory defaults...and press enter to confirm ...Thi sdefault the settings and if the device was disabled this will put it back on ...
Save all changes by pressing F10 and enter to restart ...In this moment the blue tooth will be found ..and will search for a driver ..If the driver is already loaded in the system it will install itself automatically , if not ...will ask to install it from the disk that came with the laptop..or ..search it on the manufacturer site..according to your operation system in use...
Have a nice day , and dont forget to rate if this was helpful...

Apr 28, 2010 | Acer Aspire 5720-6661 Notebook PC

1 Answer

Green & Blue Ghosting Convergance problem


Odds are real good that the cooling fluid in the green and blue picture tube assemblies has become contaminated. You can tell by looking down into the lenses with a flash light. Funny thing is the red never gets contaminated because whatever organism is causing the problem can't survive in red light. BTW this may still not solve all of your convergence problems but when the colors are so badly diffused the convergence sensors for flash focus can't lock onto the beam landing.

Jun 01, 2009 | Samsung HCL473W 47" Rear Projection...

5 Answers

Blue convergence


You need to check for bad soldering in your tv .

Also bad capacitor can cause this problem ,

How old is your tv ?

Oct 17, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Check Factory Data after fixing convergence and resistors


Plugs on the chassis coming from keyboard and side video input are switched (they have same plug)
redoo convergence save and auto focus in factory mode after switching plugs

May 02, 2008 | Samsung HC-P4752W 47" Rear Projection...

4 Answers

Samsung HDTV


If you changed the ICs you need to adjust convergence, read carefully the instruction and alingn the lines using remote control commands. Is a long process. My tv loss convergence three times , i will never buy another samsung product. I told every body that i know that never buy another samsung product.

Oct 26, 2007 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Convergence settings


Key Functions
7,8,9 = select R, G or B
+100,0,PRE-CH = mute R, G or B
INFO = test/normal
4 = shifts from point to line, grid move
2 = restore factory
SOURCE = H/V select
ADD/DEL = Save
S.MODE = exit
MUTE = cursor forward
P.MODE = cursor back
Volume +/- = moves convergence left or right
Channel +/- = moves convergence up or down
1 = zero's all convergence settings (ugly!)
U/D/L/R = move cursor
SELF FOCUS = saves the convergence adjustment - do before exiting

Good luck.  I let a sub-standard service joint work on mine - they replaced the OEM chips with a higher wattage equivalent, and I've had nothing but problems ever since.

Oct 11, 2007 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Loss of convergence after powering off.


you must enter the service mode and align your convergence and save it to the epromm also activate the auto focus to activate the sensors , power on /mute-1-8-2- / press enter to save and before you exit activate the focus key on the remote ,very inportant to do the last step./g

Apr 29, 2007 | Samsung PCN5425R 54" Rear Projection...

2 Answers

Samsung HDT HCP4363W


you need to get the service manual for your tv the microcomputer needs to be replace use the test mode from off your remote control enter the numbers 0-6-2-5-9-6-menu do it fast ypou should see a display come at the bottom of your screen consult your service manual and reprogram your tv if this does not work as i say change your microputer at this time i do not have a schematic to give you a part number.

Mar 08, 2007 | Samsung TXM3298HF 32" TV

Not finding what you are looking for?
Akai PT4799HD Rear Projection Television Logo

Related Topics:

225 people viewed this question

Ask a Question

Usually answered in minutes!

Top Akai Televison & Video Experts

Jaime Hernandez

Level 3 Expert

2336 Answers

The Knight
The Knight

Level 3 Expert

75846 Answers

Marvin
Marvin

Level 3 Expert

82322 Answers

Are you an Akai Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...