Question about Hitachi 51S700 51" Rear Projection Television

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Hitachi 51s700 noise and color problem

Hitachi 51s700 has high pitch noise; color is lacking red and green when first turned on, and abt an hour later color is ok. easy fix?

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Bad connection . check for bad solder inside

Posted on Sep 12, 2009

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Posted on Jan 02, 2017

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No color only black and white picture and high pitch noise


high pitch noise is most likely the color wheel; pt# for L3 chassis:BP96-00674A pt# for L6 chassis: BP96-01103A
This could also be part of your lack of color, otherwise may also need MAIN or VIDEO PCB

Nov 29, 2013 | Samsung HL-R4266W 42" HDTV-Ready...

1 Answer

Toshiba DLP rear projection tv noise problem on turn on - model 62HMX85


If its a high pitched or fan like sound (but not a fan) it may be the color wheel going out.

Dec 10, 2012 | Televison & Video

1 Answer

Samsung dlp tv HLP5663W makes loud noise


Yes, the set uses a color wheel and the lamp faces it.

The wheel turns at over 8,000 rpm and is well known for this problem=bearings in the tiny motor go bad.

The high pitched or fan like noise (classic description) is this part.

Sooner or later the wheel (plastic colored segments) will shatter and set will shut down lamp and not operate---set monitors the speed of the wheel so if it slows down or stops it knows.

The part is readily available on the internet (Google the model number with "color wheel").

This can be a do it yourself repair and You Tube has video instructions for replacing the wheel by model number.

There are two common pitfalls to avoid which the instructions that come with the replacement part usually do not mention---if you decide to do this repair let me know and I will explain.


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SD TECH

May 26, 2012 | Televison & Video

1 Answer

When i turn on my 42 inch hitachi pd9700 tv it makes a fizzing noise from the back.after 10 mins it gets louder until its like a high pitched whistle.then when i try to turn it off by the remote the...


This problems it the cause by the power supply board.Those transformers on the power supply board is the cause.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Oct 17, 2010 | Hitachi 42PD9700 42 in. Plasma Television

1 Answer

Green and red ligts flash when powerd up also


hello there's a couple of things that could be wrong .the high pitch noise could be the convegance chip shorted out these are 2 big black chips connected to a metal frame called a heatsink the other could be the lamp burn't out

shaun

Oct 21, 2009 | Sony Grand WEGA KF50SX300 50" Television

1 Answer

Our tv made a loud high pitched noise for a few weeks and then the color went green to then shutting off. Now, when we try to turn on the tv, the light blinks and then it just shuts off and keeps repeating...


Hi, Symptom shows high pitch sound is of color wheel that is not spinning any more so TV stay in protection mode and does not power up. TV requires color wheel replacement.

Jun 15, 2009 | Samsung HLN5065W 50" Rear Projection...

1 Answer

RED LIGHT IS ON BUT IT WILL ON TURN ON(GREEN)


Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to jah2mil@hotmail.com if you require further assistance

Feb 18, 2009 | Akai LCT2715 27 in. LCD Television

3 Answers

Won't power on


my d52w19 chassis itc222 as posted most of the time wont turn on and the green light flashes three times every time it makes a small noise. sometimes it does turn on and you hear a little pop and the tv fires up.  latley there is a really high pitch noise that will slightly change pitch if you move the tv or put slight pressure on the top or botttom rear part of the chassis. thanks for the help as I have seen that this has been posted before without mention of the high pitch noise.

Aug 23, 2008 | RCA D52W19 52" Rear Projection Television

6 Answers

Hitachi 51F710 Lack of green in picture


that is a color channel that is broken...

You need to increase the red or decrease the other colors. this is done with small preset controls on the neck board (or inside in the back of the CRT)

if that doesn't help. you might need to send it to a repairman before you get electrocuted (it doesn't matter if its unplugged or not, the crt stores lots of electricity)

Jan 08, 2008 | Hitachi 51F710 Rear Projection Television

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