20 Most Recent Hitachi 53FDX20B 53" Rear Projection Television - Page 5 Questions & Answers

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I BOUGHT TV NEW IN

If it is Hitachi 53FDX20B, then symptom shows TV has convergence out IC failure problem that need to be replaced.
Convergence out IC is not so costly chip and a person that can solder parts in circuit board can replace it with soldering tools.
If TV model number is other than that mentioned, post back with correct model written at back to provide you helpful info.
Thanks.

11/18/2009 10:39:04 PM • Hitachi 53FDX20B... • Answered on Nov 18, 2009
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Words out of alignment

look in the menu for "magic focus" if that does not work its your convergance that will need to be fixed, be ready to spend 400-500
11/17/2009 2:33:28 AM • Hitachi 53FDX20B... • Answered on Nov 17, 2009
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It appears as if there are three pictures as if

This is a convergance board issue, it could be out of allighment or going out period, there is no way of telling without look at the set locally. But if the board needs to be replaced your looking aroung $200 bucks for the part the labor would be depending on where you go to have it fix or whomever comes out.

The tech would run the convergence setup on the TV now if that setup fails and it does not line up you looking at a convergence board repair or changeout.

Again someone would need to come out to repair this it cannot be done via email or chat but we can tell you the issue in hopes you would save money on estimates and other repairs that is not needed.

I do Thank you for allowing me to discuss your issue with you and hope you would ACCEPT my advice.


Thanks Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620
11/5/2009 8:13:58 PM • Hitachi 53FDX20B... • Answered on Nov 05, 2009
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Hitachi 53FDX20B not turning on

DP23 off shows +B volts (115 or 120 volts) towards deflection section are missing.
Please check FP05 (fuse), DP15 diode, Q777 and QH01 transistors.
Thanks.

10/31/2009 7:10:48 AM • Hitachi 53FDX20B... • Answered on Oct 31, 2009
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Sag in top left side screen

Are you describing a CONVERGENCE problem? Picture is bowed or looks threeD----red or blue are out of place?

If this is what you have go into the customer menu and select convergence and look there--if either red or blue is off and will not move--you have a convergence problem.

I know a lot about this set---I have fixed hundreds of them with this kind of problem.

Confirm the problem to me and I will give you options--first on what is involved for you to repair it yourself and if you cannot I have other suggestions.

I am here to help

Regards, SD TECH


10/27/2009 1:25:35 AM • Hitachi 53FDX20B... • Answered on Oct 27, 2009
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Hitachi convergence seems to be bad, but all

I know this set very well, have fixed hundreds of Hitachi sets with convergence problems--

first--did you just go into the customer menu?

There are two ways to get into the tech convergence mode on most of these sets---if the set has "MAGIC FOCUS" PRESS the button the front panel---while magic focus is running press magic focus again --if STOP is displayed on the screen press either RECALL OR STATUS BUTTON ON THE REMOTE--set will go to the tech convergence mode--take a good look there ---if red or blue is skewed most likely one or both of the 2 STK-392-110 CHIPS THIS SET USES IS BAD--NO WAY TO TEST THEM--IF RESISTORS ARE ALL GOOD--you have to replace BOTH chips to see if one is your problem.

You can also get into the tech convergence mode by removing the front speaker grill and inspection plate behind it----there is a tiny micro switch on the front of the board (little blue button) with something not metal--touch it with the set on and you will be in the convergence mode.


I presume you know how to navigate with the remote in this mode 2,4,6.8 to move--ant to select blue and 0 to select red---enter button will stop blinking cursor and you use the ARROW CURSORS to adjust---DO NOT TOUCH ANY OTHER BUTTONS---

What you are looking for is will the "bent" lines adjust.

If the answer is no--change the two chips and see what you have--The STK-392-110 chips can also be replaced with STK-392-150 chips---they are a longer life version of the original chip.

If you need help doing the repair ask me before you begin.

SD TECH
10/19/2009 9:27:14 PM • Hitachi 53FDX20B... • Answered on Oct 19, 2009
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Double image almost like 3D is there an

This is a model first sold in 2002---if it is 3d it means one of the two convergence chips (IC's) is bad.

This set uses 2 of the STK-392-110 chips--they and any protect resistors around them that are bad need to be replaced and the set adjusted with the Hitachi remote.

I do not know if you can do this repair--consider that you can buy the pair of chips and any parts needed for less than 20 dollars--most shops charge 300-400 for this kind of repair...


Do you know how to solder if I tell you how to get at the parts etc?

Magic focus will not work if either of the chips is bad. After the set is repaired it will not have this problem again for 5-8 years---normal life span on these parts.

Let me know if you need help or advice--I am here to help people---


Regards, SD TECH
10/13/2009 1:20:12 AM • Hitachi 53FDX20B... • Answered on Oct 13, 2009
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Hitachi 53FDX20B Rear won't turn on and LED's Flashing

I believe they are the voltage supplies for the TWO convergence IC's that this set uses(either STK-392-110 OR STK 392-150---THEY are interchangeable--but the 150 is a better device)

The easiest way to prove if this is your problem is to locate the two chips (black--2 1/2 inch wide X 1 1/2 inch tall with the STK number printed on them IN WHITE)

If someone unsolders all 18 pins on each chip--see if the set will turn on with them out of the circuit (you do not have to remove them--just unsolder both---If the set comes on the convergence will be very bad but you will know one of the chips is bad.

Also if you look at all the resistors around them (most will have location number RK46 etc) see if any of them are discolored or burnt. You find a burnt resistor and it is a sure bet onE of the chips is bad.

BOTH CHIPS NEED TO BE REPLACED!

A pretty easy repair if you have good soldering skills and I can tell you what you will need to do the repair.
If replacement of the chips fixes the set it just needs to be adjusted with the Hitachi remote and should not have this problem again for 5-8 years.


IF YOU HAVE QUESTIONS, do not hesitate to ask me---I am here to help people.

SD TECH
10/9/2009 6:00:32 PM • Hitachi 53FDX20B... • Answered on Oct 09, 2009
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Hitachi 53fdx20b and it has a wave acrost the top

Yes - You will need to either remove the circuit board or lift up the tray. If you are not sure how to do it yourself read the link below.

  • This is a very common failure on Projection TV sets.
  • 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.
You can see some example photos and find a solution here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
9/19/2009 5:09:39 AM • Hitachi 53FDX20B... • Answered on Sep 19, 2009
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Color in left hand corner is off centered to

Its a convergence problem. You may want to check the site www.tvrepairkits.com. Every thing they said every description was right on. The best money I ever spent and the confidence you get from doing it yourself, Its a great feeling of achievement not to forget the live messenger support is instantaneous, friendly and informative if you need to fix your tv go to tvrepairkits.com I fixed a philips 60 inch tv in 45 minutes, The convergecne chips were bad thanks a million. You guys saved me 250.00 bucks. I'll be recommending you to everyone I know!
8/19/2009 2:22:26 AM • Hitachi 53FDX20B... • Answered on Aug 19, 2009
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Power on but picture and sound go off then come

there is an interference with your tv signal try changing channel to see if some works better than other
7/31/2009 4:11:40 PM • Hitachi 53FDX20B... • Answered on Jul 31, 2009
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Color of screen in reddish/pink tint at all times.

you have lost the green and blue in the tv. most likely cause are the crts.
7/29/2009 2:27:09 PM • Hitachi 53FDX20B... • Answered on Jul 29, 2009
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53FDX20B NO PICTURE AND SOUND

It powers up but no picture? In my experience with Hitachi TV's this has been an issue with the convergence IC's failing. You will need to have a technician replace those if needed.
7/23/2009 5:52:36 PM • Hitachi 53FDX20B... • Answered on Jul 23, 2009
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I need a part number

on the 53FDX20B rk42 is a 3.9 ohm 1watt resistor.
RK50 is a 2.7 ohm 1watt
7/15/2009 9:11:19 AM • Hitachi 53FDX20B... • Answered on Jul 15, 2009
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When i turn on tv the screen is turning green

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 but stationary.
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 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.
You can get a repair kit that includes all the parts from www.TvRepairKits.com.
They have put together a kit for the Hitachi TV sets.
The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself. Its a fairly easy fix on the Hitachi sets.
6/20/2009 4:15:13 PM • Hitachi 53FDX20B... • Answered on Jun 20, 2009
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Color convergence "whacked out"/blue shadow to right side

Your TV most likely has a convergence failure. ( 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
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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.
6/20/2009 4:10:43 PM • Hitachi 53FDX20B... • Answered on Jun 20, 2009
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Split colors on screen

Replace the two convergence Ics they are STK392-110 if your model is the 53FDX20B you can get replacement Ics with installation instructions at the following link.
http://servicemanuals.vstore.ca/
5/11/2009 1:41:14 PM • Hitachi 53FDX20B... • Answered on May 11, 2009
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3answers

Hitachi 53FDX20B

If you have a color (red, green or blue) that is bowed inward from any side, then one of your convergence IC's has cracked loose or burned out. There is no way to fix that manually - the IC and possibly a resistor must be resoldered or replaced, and that should be handled by someone experienced in repairing and realigning convergence circuits.
5/7/2009 4:24:26 AM • Hitachi 53FDX20B... • Answered on May 07, 2009
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