Question about Hitachi 53FDX01B 53" Rear Projection Television

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Replaced STK convergence IC's and a blown resistor (1.5 ohm-RK54) on Hitachi- Model 53FDX01B. Now, I cannot move any of the convergence lines in any direction. Any ideas?

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  • Hitachi Master
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Check all the resistors around the 2 STK convergence ICS again.U have more dead resistors.

Posted on Oct 06, 2010

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Hitachi 61swx10b HDTV - Convergence problems. User 'gdroukas' mentioned in a post that it is probably the convergence amps and a few resistors that have changed value. Can anyone be a bit more specific? ...


Convergence ICs are Big Black ICs and will have the part number on them. STK392-110,
upgrade to 120s or 150s better ICs.
Resistors to replace are RK42 3.3ohms, RK46 1.8 ohms, RK50 2.7ohms,RK54 1.5, RK58 3.9 ohms. RK62 2.2ohms
Mats Electronics has STK ICs 1-800-628-1118 order convergence Kit that comes with resistors.
ACME has the Convergence resistors they must be 1 watt resistors 1-800-575-9833

Let me know if you need any more help Thank You.

Jan 13, 2011 | Televison & Video

1 Answer

I have a Hitachi 43fdx01b and I have just replaced the two convergence chips because of a "Red" convergence issue. I learned the hard way about the desoldering and resoldering, but got it done. Now i...


did you check the resistors by the convergence chips? check to see if they are open. the resistors are usually lined up on the other side of the heatsink as the convergence chips.

RK42 2.2 ohm 1 Watt
RK46 1.5 ohm 1 Watt
RK50 2.2 ohm 1 Watt
RK54 1.5 ohm 1 Watt
RK58 3.3 ohm 1 Watt
RK62 1.8 ohm 1 Watt

the convergence chips to be used are
IK04 STK394-160E Part #: CZ01341
IK05 STK394-160E Part #: CZ01341

Oct 07, 2010 | Televison & Video

1 Answer

Looks like I have 3 different colors of the picture....red shadow and I think the other shifted color was blue...


Replace Both of your STK ICs STK 392-110s use 150s or 180s they are Big Black ICs will have part number on them. Call Mats Electronics for parts 1-800-628-1118 also replace these resistors RK42,RK46, RK50, RK54,RK58, RK60.

Dec 29, 2009 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

I have a hitachi 43FDX15B RPTV It appears to have a convergence problem, I've read about replacing the stk IC's but which resistors need to be replaced and what are the values on the DP15k/08 Board?


This model uses two of the STK-392-120 CHIPS and here are most of the usual resistors to suspect or check:

Hitachi AT03411S RK43 RESISTOR Hitachi AT03608S RP22 RESISTOR Hitachi AT03195S RK46,RK54, RK62 RESISTOR, 1.8OHM 1W Hitachi AT03857M R815,R865 RESISTOR, 1/2W 100 OHM Hitachi AT03191S RK50 RESISTOR, 1W 1.2 OHM Hitachi AT03197S RK50 RESISTOR, 1W 2.2 OHM Hitachi AT03199S RK41 RESISTOR, 2.7 OHM 1W Hitachi AT03202S RK42 RESISTOR, 3.3OHM 1W Hitachi AT03204S RK58 RESISTOR, 3.9 OHM 1 WATTThe RK ones are all marked on top and bottom of circuit board---usually if one is bad you will be able to see it is discolored---all are very low value and should read open or good only.

This is a fairly easy set to do this on---the whole convergence board (right side from the back view) is held in with 3 screws and an assortment of plugs--3 plugs are identical (convergence yokes and you need to mark so you get each back in same place)

A row of black snap plugs on the left side and with the screws and other plugs removed the board will lift up and out of the set.

DON'T waste your money on one of the "kits" being sold on the net---you can buy a pair of the chips for about 12 dollars on Ebay and usually only one (if any) of the resistors will be bad---those kits sound like a good idea but at 50-80 you are buying things you will not likely need to repair the set.

Let me know if you have any questions and if this information helped you rate this solution as I do this here for free.

SD TECH


45c74e4.jpg

Dec 17, 2009 | Hitachi 43FDX15B 43" Rear Projection...

1 Answer

I need the resistor values for RK42, RK46, RK50, RK54, RK58, RK62 when using stk392-120 chips in Hitachi 53UWX10BA.


If it is 53uwx10B:

RK42 2.2 OHM 1 WATT
RK46 1.5 OHM 1 WATT
RK50 2.2 OHM 1 WATT
RK54 1.5 OHM 1 WATT
RK58 2.7 OHM 1 WATT
RK62 1.8 OHM 1 WATT


Double check the numbers on the STK chips as most of these sets use STK-392-110 OR 392-150 CHIPS-----ONLY A FEW OTHER MODELS(MOST 43 INCH USE THE 120 CHIP.)


I do this here for free so if this helps you take just a minute and give me a vote here.

If you have any questions or need help reply to this posting here--I am here to help people.

REGARDS, SD TECH

Sep 20, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi rear projecton tv


your model uses two STK392-110 Convergence ICs. Hitachi also recomends replacing the feed resistors which are two 2.2 ohm 1watt, two 1.5 ohm 1watt, one 3.3 ohm 1watt and one 1.8 ohm 1watt resistor. You can get repolacement ICs and resistors at the following link and they provide step by step installation instructions with pictures. Heres the link.
http://servicemanuals.vstore.ca/

Sep 30, 2008 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

Hitachi 65xwx20b convergence


Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

Dec 01, 2007 | Televison & Video

1 Answer

Double Color images and Convergence will not adjustment will not line up


The convergence IC`s board location are IK 04 & IK 05. Looking from the back of the TV they are mounted to a large finned aluminum heat sink on the right side of the chassis. The origional part (stk 392-110) can be substituted with an equivalent but higher powered IC (stk 392-180) , that is 180 watt instead of 110 watt chip. Do not use generic IC`s! Purchase origonal Sanyo chips only for best results. Replacement of the chips alone may not cure your problem if there are dammaged resistors caused by the origonal chips. Check the standing resistors on the opposite side of the heat sinks for proper value. RK42(2.2), RK46(1.5), RK58(3.3), RK52(1.8), RK50(2.2), RK54(1.5). All of these low ohm resistors are rated at 1 watt. If you encounter a bad resistor you must replace with the same exact value. Close is not good enough. This should fix your set. Do not buy a policy you have a good TV. Be sure to use a liberal dose of heat sink compound when insatlling the new chips, and clean off the old crusty stuff.

Nov 16, 2007 | Hitachi 43FDX01B TV

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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