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Hitachi monitor PTV 51m200 no video, no audio

I have a 51m200 hitachi tv and have no video, no audio. I have on screen display and can switch from one input to another, magic focus works fine as do all of the customer controls, but no matter what input I go into I have no pix, and no audio

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5 Suggested Answers

yankeegurl
  • 121 Answers

SOURCE: PROJECTION TV HITACHI ULTRAVISION COLOR CONVERGENCE PROBLEM

it sounds like your blue convergence ic is getting weak you need to replace the ic's STK392-110 and you should replace both because when 1 is bad the other will go real soon. They are inexspensive at the sight I posted and you will also get free tech online support if you purchase them there.
http://servicemanuals.vstore.ca/

Posted on Apr 13, 2008

Slinteriors
  • 8617 Answers

SOURCE: Magic Focus does not fix the blue 57UWX20B Hitachi

you need to replace the convergence ICs they are STK392-110 you can get replacements at the following link and they send instalation instructions with pictures so you can do the repair yourself. You need to replace both IC they are both STK392-110 they are located on the large heat sink on the far right side of your Tvs' chassis Heres the link for replacement ICs
http://servicemanuals.vstore.ca/

Posted on May 20, 2008

experttv
  • 203 Answers

SOURCE: hitachi tv magic focus does not work

Your problem is the convergence circuit. This is very common in CRT projection sets like yours. There are a couple of IC's that need to be changed and possibly some resistors. A good repair shop will run you $400-$500 to do the repair.

Posted on Oct 28, 2008

ladywinn
  • 5138 Answers

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

chipbug
  • 1 Answer

SOURCE: magic focus 4 error

Error 4 is listed as an overflow in the convergence section.
To fix:
1. Check the placement of the sensor
2. perform an Adjustment check of th H/V size & centering
3. Conv. amp. gain check, check these resistors:
R041, part # 0790024R, RES.CHIP 1/16W 100 OHM
R046, part # AQ00164R, RES.CHIP 1/16W 75 OHM TAPE
R050, part # 0790059R, RES.CHIP 1/16W 47K OHM
R058, part # 0790054R, RES.CHIP 1/16W 18K OHM
R062, part # 0790047R, RES.CHIP 1/16W 5.6K OHM

Posted on May 15, 2010

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the only thing I can think that you may be doing wrong is that you need to "ACTIVATE" the external outputs on the laptop,as they are not on by default.

 

To switch video output mode  LCD / CRT (monitor/PC mode) /TV mode plus some dual modes LCD + CRT / LCD + TV

 

I have found that the overlays used for video playback do not work in the dual modes,  (and I have found that CRT monitor mode is best for connecting to a large TV)

 

so switch your TV to PC input,  connect your HD15 cable and SWITCH output mode on your laptop (usually Fn F5) press until you get an output,

 

you will also need to connect audio, so get a phono -> 3.5mm jack plug and plug that in also, and you are ready to rock and roll

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