Question about Hitachi Televison & Video

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When I turn on my tv it works for about a min. picture sound everything then the blue power light starts to flash & I loose the picture. When I shut the tv off the red lamp light stays on. Hitachi ultravision digital 50".

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The allexpert.com guys told me the solution for free they even emailed me a new user manual.

Posted on Nov 24, 2008

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Blue light remains lit but lose picture. no other indicator lights flash. if i unplug the tv it will restart but lose picture again after half hour


I have a toshiba 50hm67 tv and with mine the blue light would come on and I would hear sound first and then the picture would finally come on... this happend for about a month.... next the yellow and blue light would come on but the pic still wouldn't come on until it clicked off and on by itself for about 10 min this went on for about a week. All of a sudden last night the red lights by the power light started blinking. No tv now and when the tv shut off it said lamp not working.

Sep 17, 2010 | Toshiba 56HM66 56" Projection HDTV

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The power comes on and then turns off and the front green power light blinks.


There is a small IC in the power supply section,
not the IC regulator that's the problem.

Jan 06, 2010 | Philips 32PT6441/37 32" TV

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Toshiba 46in DLP No Picture, but good sound.


Hi my name is Eric,
I hope I can help you with your issue ,
Sounds like a bad lamp assembly , search for one online by model# for between $100-$200
easy to install yourself
 
 
 
 
Hope this helps, if it has solved your issue please click accept
But if you have more questions please respond and I will reply asap
Thanks
Eric

Sep 09, 2009 | Toshiba 56HMX195 52" HDTV DLP Projection...

1 Answer

Why would our proscan big screen just turn off and then not turn back on. Everything else has power. And also when we tried to unpluge the power cord on the back it sparked. Please help. --- model number...


I JUST GOT HOME AN TRIED TO TURN MY JVC PLASMA TV ON. THE TV WILL NOT TURN ON. EVERYTHING ELSE HAS POWER TO INCLUDE THE TV BUT THERE IS NO PICTURE OR SOUND. BLANK SCREEN. THE BLUE POWER LIGHT IS FLASHING ON AND OFF. THE MODEL NUMBER LT-42P789

Jul 16, 2009 | Proscan 19LA25Q 19 in. LCD Television

4 Answers

Tv tunrns on then goes to stand by flashes 4 times & repeats


turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.

Mar 13, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

A repair question for the RCA M50WH74S


If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.

On Rear Projection : check lamp, lamp ballast, power board, and convergence.

On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.

Aug 18, 2008 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

No picture or sound


I HAVE THE SAME THING ON MY THIS IS THE THIRD TIME THAT I FIXED LOOKS LIKE THE SCREEN ITS BURN.
BUT IT ISNT. I PRESS THE ON/OFF UNTIL THIS WORKS. I DID LIKE 3 TO 4 MIN.
IPREFER RESET THE CABLE BOX IN MY CASE. AND CLEAN THE BLCK BOX FOR THE DUST.

Jul 08, 2008 | Ultra LCD30-500 Television

1 Answer

New Blue CRT installed now TV won't stay on


sounds like the HV lead isnt sealed properly either at the CRT or the Splitter I would have him come back and recheck his connections

Jun 13, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Plugged in, worked, turn on later, did not work


First thing i would do would be to check convergance amp ics

http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 01, 2008 | Toshiba 55H70 55" Rear Projection...

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