Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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I have Hitachi 65f710 projection tv, that has no power, I found a thermal fuse open in the power supply, I replaced that; the Tv came on but has no hi voltage, the tv has b+ but not at HOT hight voltage transistor. what else you think can be done. Right now I have no picture Thanks

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Try replacing the H-out transistor, if yours is convergence IC type, replace it. hope this help, please rate and vote.

Posted on Mar 28, 2011

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1 Answer

I have a Hitachi Rear-projection TV that won't power on. What could be the problem?


This is probably a protective reaction from the set if it is repeatable and may be related to the power supply that converts your AC source into the necessary voltages the set requires.
Not a DIY repair unless you can find a used powers supply and want to try replacing it yourself which isn't a big job since these are connected by male/female connectors to the various circuits.

No guarantee that replacing the supply will make the set usable again.

It may be time to shop for an LCD TV to replace your projection set since repairs and parts will be getting tougher to find.

If you find one you like, enter the make and model here at Fixya to see if the brand or model is causing problems for owners,

May 08, 2015 | Hitachi Televison & Video

1 Answer

HITACHI PROJECTION TV HAS WAVEY LINES ON IT THEN SCREAN GOES BLACK


Hi!
That's a clear indication that you have a bad power supply in your TV.
If you know how to DiY...I suggest you open your TV. Locate the power supply section, it is where the end of the power plug is connected. Replace all blown or bulge or leaked capacitors with same value. That will fix your TV problem.
The hardest part is to disassembling your TV cover, cause you will need to pry off the snap in lock at the edge of your TV.

Power supply board should look like this. Examine the capacitors in the board
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After replacing blown capacitors...it should work again.
caps%281%29%281%29.jpg

Things you will need.
1. A plastic flat end screw or any object with flat ends....to fry off the cover
2. Soldering iron.
3. Soldering lead
4. Soldering pump.
5. Flat and Philip Screw
6. Replacement capacitors (of same value with the blown one) that you can buy to any electronics store.

Hope it helps

Feb 23, 2012 | Hitachi Televison & Video

2 Answers

Hitachi projection tv has no picture but has sound


hi.. if your projection TV has no raster at all, it has problem with high voltage supply. there are two separate power supply inside your TV for audio and for the high voltage for 3 CRT tubes.its very dangerous to service it by yourself.
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Aug 14, 2011 | Hitachi 57F500 57" Rear Projection...

2 Answers

6 blinking red lights


You still have your guessed problem. 6 blinks means Low B+ error (power supply). This can be caused by an open thermal fuse, loading by another circuit board, or the power supply itself.

Apr 13, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

Green leds turn on momentarily when first plugged in then shutoff


ok , on hitachi pro tv is very common with bad power supply u may want to replace the voltage regulator which is next to the fuse u already replace , also loose connection on all the power supply seccion , also u may want to check the resistor close by the convergence ic 2.2 ohn if this are smoke replace stk392-110

May 07, 2009 | Hitachi 50SBX78B 50" Rear Projection...

2 Answers

Hitachi 65F710 convergence problem


you have to unsolder the old one and put in the new one it should be located just forward of the tuner

Nov 20, 2008 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

HITACHI 50UX10B AP23 CHASSIS NO POWER


please check all the lights that are in the chassis hitachi puts led in the chassis so that if one of the lights are not working then u know that circuit is bad. now there is 2 things that hit has wroung in the units and that is a 2kv hv cap of the horiz output transistor that burns up and kill the power supply look for a small black or brown fuse it will not have glass on it it is rt behind the reg ic in the center of the chassis it allwas opens up because of the hv cap doonot run the tv without out that cap it will overload the horiz drive and will burn upo the horiz output but u have a very good ctv ther if u fix it will last u a long time and it is a very easy tv to trouble shoot.

Oct 12, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Hitachi rear projection 60" tv, power failure


Yes,it's worth it ! Check for bad C702 capacitor next to HV
transformer covered partially by glue and E994 open pico fuse
in power supply .part # for cap 1-161-754-00 102K / 3KV.......T.

Dec 04, 2007 | Hitachi FDX Series 43FDX10B 43" Rear...

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