Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television
I can't use the magic focus to focus the red it will not line up"
Red will not line up at all did auto focus still nothing what do we do
Posted on Jun 07, 2008
The fault can be on the convergence board, or in the HV multiplier.
Posted on Apr 19, 2008
Set needs convergence ic's changed and possibly a few small 1/4 watt resistors. Parts have to be desoldered/soldered into circuit board and test equip.(ohm/ volt meter) is required. Most repair shops do this repair for 175.00-375.00 Hope this was helpful. Russmann
Posted on May 21, 2008
SOURCE: hitachi 61udx10b
Replace Both of your STK ICs they are your convergence ics they are big black ICs will have Part# on them for example STK392-110, if they are 110s use 180s, if 020s use 040s other wise replace with exact same number. To get Parts call Electronix 1-800-223-3205
Posted on Dec 30, 2008
your convergence ic's are Shorted
They have a kit for this tv it is available through local parts distributors
If you can't find it locally just Google HITACHI CONVERGENCE KIT
If you are not good with de-soldering and soldering do not attempt this repair. Remember to replace all the resistors in the kit
If you are not sure about doing this repair you should have your local tv guy do it for you
Posted on Feb 10, 2009
Replace Both of your STK ICs they are Big Black ICs Also CK and replace these resistors RK42 3.3 /RK46 1.8 /RK50 2.7/ RK54 1.5 RK54 1.5/ RK58 3.9 /RK62 2.2
Posted on Feb 16, 2009
You need to replace both of the convergence IC's and any bad resistors around them that protect them from damaging the power supply.
This repair can usually be done in the home and takes about an hour; I have done hundreds of them and now is a slow time of year for TV shops; look around if you are not able to do this repair; you can buy the chips on Ebay for less than 15 dollars for a pair plus shipping.
This is a very common problem in projection sets.
If this has helped you give me a vote here as I do this for free. If you have questions or need help:
Posted on Aug 23, 2009
YOU HAVE A CONVERGENCE PROBLEM. THE RED OUTPUT IS OUT. COMMONLY IT HAS BEEN FOUND TO BE THE DIGITAL CONTROLLER MODULE THET CAUSES THIS BUT THE OUTPUT IC SHOULD BE CHECKED FIRST
Posted on Dec 27, 2009
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