Question about Hitachi 57S715 57" Rear Projection HDTV

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No green on my hitachi 57s715

I heard a popping noise from my tv, and then the screen blinked and the color went bad. I took off the back cover and the middle tube, the green, was not working. I checked the fused I could find and checked connections, but I am not a tv tech. I am an air conditioning tech and have a multi-meter to do electrical troubleshooting. If someone could point me in the direction to figure out how to figure out if the tube is bad, or if inputs to the tube are bad, I would really appreciate it...thanks.

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Re: No green on my hitachi 57s715

I would check for loose connection around the yoke and convergence ic's (stk392-xxxx)

Posted on Jan 21, 2008

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My tv has a green shadow on lines or words on top that dips down in the middle of the screen

All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.



Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change



You can see some more examples and find a fix using this link on Fixya

Jan 01, 2011 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

We heard a "pop" noise

The pop noise could be a capacitor poping its top up.This is a common problem to most TV sets today. Usually located at the power supply board.Once this parts give up it usually shorts the circuit and blows a fuse.Replacements of these parts mentioned will often remedy the problem.Flashing power indicators indicate a problem.If you have the chance of counting how many the blinks are I could have told you the problems code are and the source of the problem.

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My tv clicks like it's turning on but the blue light doesn't flash and it just wont turn on, it still makes the clicking noise though. 56 inch I think.

My Hitachi 57S715 did the same thing recently. I've been told that it is probably a problem with the power supply. Did you ever get a definitive answer to the problem?

Aug 09, 2010 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

It went pop screen went black no power serge

If you heard a popping sound chances are your lamp went out on you.You can purchase a quality replacement lamp at

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I have a HLR5067-W. I heard a single pop from the

Does it still making noise now?Than yes ur color wheel is broken need it replaced.

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No Picture, Power light Blinking 3 times then repeats

3 times blink shows lamp cover is removed or not installed properly on TV.
Please take out lamp inside TV and check, seems its broken as you heard loud pop.

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1 Answer

Color and Image are Bad!

Convergence IC's are bad or poor solder connection, IC's are large chips with heatsink mounted to them, re solder them to board, if not fixed replace IC's, should be 392-110s, but check them number is on the IC itself.

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Screen cover

If your model is a Hitachi 57S715 then you can order the protective screen using the part number KR03265 from for $206.39 plus shipping.


Mar 07, 2009 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

Hitachi 57F510 rear projection tv

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Oct 13, 2007 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

57S715 Hitachi HD RPTV protective screen removal & cleaning help.

Research at ...........

Generally, front speaker grill cover comes off , then
screen frame assy. off , then take apart, remove protect
glare screen. Reassemble ( keep same order - position )....T.

Please rate solution to problem........

Aug 21, 2007 | Hitachi 57S715 57" Rear Projection HDTV

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