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TV Whines Mitsubishi Black Diamond 27" 3 years old. Infuriating whine from TV when turned on. If I turn it on and off about 6/10 times, whine goes away. Brought to service engineer three times in last two months. Claims he cannot hear any problem. He's in his sixties, so maybe he can't hear the same pitch as me. It's driving me bonkers. Any suggestions?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

tvtek
  • 1284 Answers

SOURCE: mitsubishi black diamond tv

Might be a bad CRT or bad video output IC that drives the CRT that would cause this issue.

Posted on Apr 07, 2007

techworm
  • 56 Answers

SOURCE: Mitsubishi WS-55807 Picture goes out ... clicking

flyback

Posted on Nov 12, 2007

  • 21 Answers

SOURCE: Mitsubishi Diamond TV power went out TV wont turn back on.

the regular problem is the convergence kit,

Posted on Jan 20, 2010

jdvillanueva
  • 2098 Answers

SOURCE: mitsubishi diamond vision 27" 1995

It is an indication of leaky electrolytic capacitor on the vertical section.
This is not a diy if you are not an expert.
I've adviced you to look for a qualified technician to replaced the faulty capacitor.
This is quite fixable and easy to locate by the technician.

pls rate my help...

Thanks for using fixya.

Posted on Jan 14, 2011

SOURCE: I have a Mitsubishi CS-40509 TV. It is over 12

after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - TV TUBE ) becomes weak - then few TVs ( not all TVs ) behaves exactly as you have described.............. .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching TV --- this adjustment is very important ) ----------iam from bangalore (09986222774, sathyavijayasarathibabu@ymail.com) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact TV service engineer ------- because they are highly experienced & can fix this component very easily. ------------ [[ sometimes along with EHT another component called transistor ( big in size - situated close to EHT - it will have 3pins - its size will be 1inch X 1/2 inch X 1/2 cm --approximately ---- black in colour ----- fixed to aluminium metal ) --- will also gets deffective --- so this component also should be checked ]] ---- in your case this transistor is good ... because when this component gets deffective then TV won't get '' ON '' .............so in your case only EHT should be replaced.........100% it works normally ----- though it is 12yrs old itseems TV TUBE is still in good condition because you have said that when display comes picture is clear......so if EHT ( same type) is replaced then your TV will work atleast for 2 more years.....GUARANTEE.......

Posted on May 22, 2011

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