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Looks like the resistor on the Deflection board is bad, my Hitachi is model 53FDX20B. I require the resistor watt and ohms require to replace position RP22. Thanks, Cassandra

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6ya6ya
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Posted on Jan 02, 2017

  • 191 Answers

SOURCE: AKAI PDP4225M HAS RED LIGHT BUT WILL NOT POWER ON.

hi isolate ur power unit out replece ur resisitor & every other burnt items then check the schottky diodes in the secondary side &the electrolytic capacitors if bulgge or leak. if all this are ok , power then use voltmeter to test ur output voltages if ok , unplug your inverter  & power

Posted on Nov 10, 2008

gopakumarg43
  • 74106 Answers

SOURCE: If a television schematics calls

Hello
You can use of a higher Watts. You can use even a 1W resistor in place of a 1/6 W resistor. But the value in OHMS must be the same.
In this case, the resistor you replaced burned, means that there is some short after the supply point and the resistor. It may be due to a leaky capacitor, or other faulty components, after that resistor. You must find out the fault first, and put the resistor after rectifying that fault. You haven't mentioned about in which stage of your TV you have replaced the resistor. Just do a through check, and proceed. OK.

Posted on Dec 04, 2010

lovejoy91
  • 691 Answers

SOURCE: AKAI PDP4225M HAS RED LIGHT BUT WILL NOT POWER ON.

this is because R001 is not 5.6 ohms, it's 560K ohms

Posted on Jan 11, 2011

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1 Answer

Changing rk 42 hitachi


yes the 2 watt resistor is actually better than the 1 watt. They will both work in place of each other. The important part are the ohms they have to be exactly the same.

Aug 08, 2012 | Hitachi 57UWX20B 57" Rear Projection...

1 Answer

Thanks, I posted a question regarding a convergence failure earlier. I followed your previous advice and replaced the STK392-110 and STK392-150 chips and the RK62 resistor which was bad, however the...


RK62 in this model is a 2.7 ohm 1 watt resistor (per the Hitachi site).

Let me ask you a few questions--did you check all the protect resistors? Sometimes you get one that looks perfect and is open.

Second, are you trying to adjust with the Hitachi remote in the customer menu or the TECH menu?

If in the customer menu you may need to go into the TECH menu and adjust and save there--if you get into the TECH menu and blue will not adjust somewhere--you probably have a bad resistor somewhere.

This all sounds familiar--I bet I helped you before--

SD TECH

Dec 29, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

Hitachi 61UWX10BA RPTV Convergence Repair


All of the resistors that fail are very low reading ones---like RK54(1.5 OHM-1 WATT) RK50(2.2 OHM 1 WATT) AND RK58(2.7 OHM 1 WATT)

These are not large resistors--all have location numbers on top of the board under them---most of the protection ones will begin with RK----check them like a fuse--they rarely go off value and if no reading across them they are bad---

There will be some higher value resistors like 150 or 220 ohm----never seen one of those bad.

Sometimes you just have to check them all and if they are good replace the chips and see what you have.

Do not forget to apply heat sink compound to the new chips before you install them(remove any old grease first from the heat sink.)

Good soldering is important here.


SD TECH

Oct 28, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

I have a Hitachi 53FDX20B and the picture is looks stramge


It is not your Picture tubes that are bad, it is your Convergence IC's. The IC # to use is STK392-180. These are better than the originals, also invest in these resistors: 1.5 ohm 1w,,,1.8 ohm 1w,,,2.2 ohm 1w. (watt). I would by 4 each. Your soldering skills will come into play so roll up your sleeves and go to work.....Good luck ! and let me know how you do.

Aug 26, 2009 | Hitachi Televison & Video

1 Answer

I need a part number or the value of rk42 and rk50


on the 53FDX20B rk42 is a 3.9 ohm 1watt resistor.
RK50 is a 2.7 ohm 1watt

Jul 15, 2009 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

TV Has 3D Look Hitting used to fix but not anymore


The convergence IC's are bad. (They are probably STK392-110) If you look at the connections, yuo'll probably see little rings in the solder where the pins come thru the board. Your problem probably started as bad connections and has now led to complete failure of the IC's. Replace them both. Look for burned resistors

Dec 04, 2008 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

53FDX20B


I would start 1st by checking all resistors ie.
RK43 2.2 ohm - 2W
RK47 1.5 ohm - 2W
RK51 2.2 ohm - 2W
RK55 1.5 ohm - 2W
RK59 2.2 ohm - 2W
RK63 1.5 ohm - 2W
If I were you I would also replace the convergence chips. From the above thread it's clear that they are of different quality so they may last different lengths of time (B&D is a good place to buy good quality ones).
I found a free pdf service manual for 53FDX20B on a Polish web site: http://instrukcje.elektroda.net/main1750.html
other models try here: http://www.webtronix.ca/hitachi/index.htm
http://www.asm-service-manual.com/List/Hitachi%20List%20ASM.htm
Download pictures from my repair (Password: delirious).
http://www.uploading.com/files/HGGLJLXC/Delirious.zip.html
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Feb 06, 2008 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Blurred picture


Hitachi > 53FDX20B blurry picture

I would start 1st by checking all resistors ie.
RK43 2.2 ohm - 2W
RK47 1.5 ohm - 2W
RK51 2.2 ohm - 2W
RK55 1.5 ohm - 2W
RK59 2.2 ohm - 2W
RK63 1.5 ohm - 2W
If I were you I would also replace the convergence chips. From the above thread it's clear that they are of different quality so they may last different lengths of time (B&D is a good place to buy good quality ones).
I found a free pdf service manual for 53FDX20B on a Polish web site: http://instrukcje.elektroda.net/main1750.html
other models try here: http://www.webtronix.ca/hitachi/index.htm
http://www.asm-service-manual.com/List/Hitachi%20List%20ASM.htm
Download pictures from my repair (Password: delirious).
http://www.uploading.com/files/HGGLJLXC/Delirious.zip.html

Jan 16, 2008 | Hitachi 53FDX20B 53" Rear Projection...

3 Answers

Hitachi 43FDX11B television Ghosting


I had the same problem on my Hitachi rear projection TV 53FDX20B made in Mexico. The blue convergence problem. Blue focus had shifted and appeared like a blue ghost image. I followed the step by step intructions from the fixya site. First Replaced the two STK 392-110 ICs and turned on the tv. No change. Then I went looking for the bad resistor. There was one resistor RK50 (2.7 ohm, 1Watt capacity) which is attached not right close to the printed circuit board surface but was well raised up from the board. The bands on the resistor were a little discolored. I replaced that one and turned on the tv. The convergence problem was solved. Thanks for the step by step instrucitons on your site.

Dec 20, 2007 | Hitachi 53FDX01B 53" Rear Projection...

2 Answers

Hitachi 53uwx10b


Hitachi has created a repair kit part# X480293 for this problem. It includes: (2)STK392-150 convergence ic's,resistors RK42 = 3.3 ohms,RK46 = 1.8 ohms,RK50 = 2.7 ohms,RK54 = 1.5 ohms,RK58 = 3.9 ohms,RK62 = 2.2 ohms,all 1 watt resistors.

Aug 20, 2007 | Hitachi 53UWX10B 53" Rear Projection...

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