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Panasonic PT-51HX42 rear project. when you turn on, no video, no sound and the power light flashes 3 times after it tries to power on. can you tell me anything

Posted by jhinshaw2 on

  • jhinshaw2 Jul 10, 2011

    was told that it was a convergence problem and could be fixed in the home for $350-$400

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Frank Fulton

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Need to replace the lamp.

Posted on Jul 11, 2011

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1 Answer

=no power to my big screen


Does the power light blink 3 or 5 blinks in a sequence or what?

Oct 29, 2012 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

I have a panasonic pt-47wx42 projection monitor. It will not turn on and the red light next to the power button blinks three times


The 3 blink error is caused by failed convergence ICs and the six 2.2 ohm resistors. Installing the convergence repair kit for your model should solve the issue. The kit is available from www.tvrepairworld.com the kit contains the 2 ICs with heat sink paste, the 6 resistors and the cd with instructions

Jul 11, 2011 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

Panasonic 56" HDTV Projection TV. Model PT-51HX42 TV power button flashes 3 times and then turns off


You have a defective temperature sensor
3 blinks flashes oncenevery 5 seconds
IC2301(pin74 and 75) detects open or short of the Temperature
Sensor (R2911) on Front Thermistor C.B.A., then indicates the
error when Temperature Sensor is open or shorted.
(The error is not detected for 1 minute after Lamp ON.)

Please rate my help++++Thanks for using FIXYA

May 29, 2010 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

I have an 52 in projection that clicks to turn on but then shuts off and the on and off light flashes....


the convergance amp Ic's have failed and need to be replaced along with the 2 resistors that will have cooked about a 200 dollar job

Dec 04, 2009 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

Panasonic pt-4743g


CK hori out put Transistor, next to or behind that part is a small blue capacitor high voltage 2k volts see if it has burt pin hole if so replace it also resolder convergence plugins and FBT.Your STKs could need replacing they are big black ICs will have part number on them if 110s use 180s Call Mats for parts 1-800-628-`1118

Aug 14, 2009 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

I have a panasonic pt-51hx42. I was just


your convergence power supply blew a fuse & probably one if not both of the STK ics. Normally when this happens the short takes out the low value resistors connected to the ics.
it is common practice in the shop to replace both STKs and resistors

Jun 09, 2009 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

PANASONIC PTK-4077S PROJECTION


You need to adjust screen drives on Red Green Blue tubes ,does all 3 of them light up? Focus/screen control box is in front of TV behind front panel Turn color off then adjust all 3 tubes to where you have a black and white looking picture, now turn color back on.

Dec 27, 2008 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

TV not staying on


I called a tech and it was a convergence issue. It cost $375 to fix.

Jul 05, 2008 | Panasonic PT-51HX42 51" Rear Projection...

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