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  1. DIY Repair and Maintenance
    Hi folks. I'm a new guy and just need some repair help with a rear projection set that lost the picture. I just replaced both STK392-110 chips on a Toshiba TP55E81 rear projection set that lost the picture. I ordered the chips for $21.95 from electronic-repair-kits because they say they only...
  2. DIY Repair and Maintenance
    I have a Hitachi rear projection (43FDX11B). I have replaced the IK04 and IK05 convergence chips a couple times over the past 5 years. I have just completed the repair again and now I am having trouble. I "think" that my problem is that I have bridged the pins on 1-2-3 on IK04 when I did the...
  3. General Service and Technical Information
    Hi Are there any person have two extra genuine IC STK392-220 Original Sanyo for sale, or know the place that i can get one, this is convergence correction IC rated at 10 amps i need this for my DC board on sony vph-g70 projector. Any one that have and want to sell them let me know sam
  4. Samsung
    Hi Folks- Ten days ago I turned on my Samsung HVM5525 RPTV and the convergence was way out of whack. So I researched the issue especially on this site. I pulled the board, double checked every resistor and carefully replaced the STX IC's with new Sanyo parts sourced from B G Enterprises...
  5. Panasonic / Technics
    originally tv came with stk392-110 if i upgrade to stk392-150 do i have to change resistors? PANASONIC PT-53TW53
  6. DIY Repair and Maintenance
    Lots of DIY'ers are attempting these repairs these days. This thread will provide some tips based on my experience doing hundreds of these repairs over many years. This is general information on the basics of these types of repairs. Even so, it would be useful for many repair techs as well as...
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