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No sync signal on hatichi ultravision digital 60 in tv

Its black with sound please help just changed bulb

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Mitsubishi 60 inch projection

They are not BULBS by any stretch of the imagination. They are CRTs (Cathode Ray Tubes, also known as "picture tubes," and each of them are small television screens, in essence), which are optically enlarged for projection onto the back of the front screen. Don't be tempted to think that you will merely be able to replace a "bulb" and have everything work!

Although you will be able to replace all of the components on the PC board if necessary (they all remain available), and may be able to fix the coolant leak that caused the failure, the CRT may have overheated. Considering the advanced age of the television, the tubes are likely already somewhat burned-in. Best to just dispose of the set.

Posted on Nov 20, 2007

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ctf1800
  • 4402 Answers

SOURCE: hitachi ultravision

Check IC601, C603 for leakage, I601 and vertical pulse detector QN05

for poor convergence check RK42 for open circuit.

Posted on Jan 07, 2008

  • 72 Answers

SOURCE: hitachi ultravision 2005 turns on for about 5

could be shoted convergence ICs

Posted on Jun 07, 2009

  • 1382 Answers

SOURCE: i have sound but no picture on my hitachi ultravision digital tv

When you use the remote control can you see the on-screen menus, volume or any stuff? if yes, then you may be lucky and have a cable problem. Can you try with another source (DVD, VHS) if you see video with them then you still can be lucky.Check the cables and the hdtv cable box. If you answered NO to any of the previous then its a TV problem and you can't fix it by yourself..

Posted on Aug 27, 2009

techman007
  • 1112 Answers

SOURCE: Toshiba DLP 60" TV not showing TV programs, sound ok

Have the tuner signal board replaced. HDMI does not use the regular tuner bands, it is bypassed when using hd inputs.

Posted on Oct 24, 2009

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