Question about Sony KP-51HW40 51" Rear Projection Television

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How I need to know how to drain the high voltage towers, with killing myself. Thanks.

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You can safely discharge the capacitors by using a piece of insulated wire with the ends bared a little an putting one end of the wire on each terminal of the capacitor to drain it causing a temporary short to discharge it

Posted on Apr 27, 2008

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I HEAR THE VOICE IN THE DVD PLAYER BUT NO PCTURE ON THE TV.


These units are famous for loose connections at the high voltage transformer. This will kill the picture because it looses high voltage. You have to remove the Deflection PCB to repair this. It is also a dangerous area to work on so you might want to have a repair shop check it out for you. Thanks

Oct 28, 2009 | RCA D52W19 52" Rear Projection Television

2 Answers

How do I check voltage on the flyback?


If you Don't know...

Then you should NOT even attempt to measure it!!!

YOU CAN EASILY BE KILLED!!!!
THIS VOLTAGE IS NOMINALLY IN EXCESS OF 30,000 VOLTS AND WILL KILL YOU!!!

Oct 10, 2009 | JVC AV-65WP74 Rear Projection Television

1 Answer

I have the Red Blinky Light Deal


your power supply is turning the tv off because of a higher than normal drain on on it . it could be anywhere in the set . but most of the time but most of the time its in the horz dirver or output , hv driver thansformer (flyback) or hv spliter system . it might even be in audio or in the power supply itself . you will need the service manual a good trvm and a scope . to go through the system by system .injecting signals when needed to make parts of the set come alive ....... messing with this set without proper tools and training may kill you . there are high voltages in this set that will kill even if the set is off and unpluged for a week .i can provide test point volts and waveforms and voltages that you should be looking for if you know of someone (or yourself) with the equipment and know how to make the tests .... please let me know ..............if this answer helped please rate 3 or 4 stars if you think i was a waste of time please dont rate at all a 1 or2 may knock me out of the paid answer department and right now the shop is slow so i need the $$ .......i have all the flow charts on your tv if i can help you look something up please ask thanks

Apr 07, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

50' rca projection tv


your high voltage splitter is probably bad, or you high voltage flyback transformer (deflection board). not sure of your model #, is it correct? It may be a lamp but you shouldnt smell burning. You can unplug and let it discharge and find where the burnt up parts are to find your problem. Follow your nose, it always knows!

High-voltage can hurt/kill you.. be very careful

Jan 23, 2009 | RCA L50000 50" Rear Projection Television

2 Answers

RCA HD52W59 HDTV arcing internal high voltage tower help


http://www.riddledtv.com/repair/RCA.html
http://serviceman.site88.net/index_files/Projection.htm

try these sites see if they help u
need to know chassi

Oct 03, 2008 | RCA HD52W59 HDTV Projection Television

1 Answer

Sony kp51ws510


How much do you know about electronics and can you solder? There is 1 sure way to find out if high voltage splitter is bad disconnected the Flyback transfomer from it /If set comes on and stays on splitter is bad.Make sure you place high votage lead from flyback where it cannot shock you.or short out anything near chassis.Also check little round blue capacitor behind Hori output they go bad 1200pf 2kvolts. This set i think has 2 STK392-??? big black ics if one of them is shorted set will not come on.Its up to you on fix or throw away

Sep 04, 2008 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Sony kp-46c65


hi

Inever get the right answer from you people. I did it myself . Thanks for help.

Sam

May 24, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Can I repair this problem myself?


You could do it but you would need the service manual to be able to do the tube and lens alighnment. You have to align the tube and lens before you can adjust convergence, and if you dont alighn properly you will kill your convergence ICs trying to compensate. If you would like me to post a link where you can get the manual let me know.

Mar 06, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Crt tube removal


There is not that much high voltage on the projection tubes

Pull the red annode lead from the flyback transformer
Careful not to touch the end of the red lead

Brush the lead across the metal frame that the crt was housed in and that should disapate the hv
If you are not sure it is gone then stick it on the metal again

Remember the tv mus be unpluged befor you attempt this

Good luck

Jan 16, 2008 | Sony KP-57WV600 57" Rear Projection...

1 Answer

Power surge


If your not a technician with tv repair experience, I would HIGHLY advise against that as theres high voltage in these sets even if they have been unplugged for awhile. Enough to kill ya. First thing though that comes to mind would be the STR##### regulator IC in the main power supply. That usually goes bad when a surge happens. But call a pro, Bro. Good Luck

Jun 08, 2006 | Toshiba TZ50V51 50" Rear Projection...

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