Tip & How-To about Panasonic SA-XR55 Receiver

My panasonics SA-XR55

I am wanted the power amp ic IRF14024

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Good day i have a Technics amplifier SU-X320. Problem is it powers up up there is no sound. Checked all basic fault finding, suspect it is the volume IC.


"Volume IC" do you mean an IC that is a pre-amp and controls the volume and things like tone? Or do you mean the main power amp IC, which will be on the big heat sink?
If you amp uses the latter and not individual separate devices for the power amp, suspect that over the other IC. But if the amp has separate power amps for both channels, replace the IC.

Oct 09, 2013 | Technics Audio Players & Recorders

1 Answer

I have a 4 year old RCA Model # HD52W59 HDTV that just developed a convergence problem. Besides seeing all three colors the picture bow's inward on both the top & bottom of the picture. When you select the setup menu, the CONVERGENCE sub-menu is missing. I've been told by a local repair shop tech. that if you don't see that sub-menu (Convergence) which is next & under Autotuning) that the microprocessor that controls that is defective & that part is no longer available. But checking online I found a few people that say that it is most likely a blown Fuse (FL231) & to reflow the solder on the flyback & vertical IC What is your opinion on what seems to be a common problem with this model?


Hi


Thanks for using FixYa. This is often caused by failed convergence ICs. I don’t think the issue is with the power supply of the unit as the sound is coming fine from the unit. It’s not a difficult job if you want to do this yourself, you should require some basic knowledge about soldering-resoldering components. To start with you’ll have to open the back of the unit and then replace the ICs (STK ICs) which are located behind the black heat sink and also check the resistors as if they are short the ICs might blow again after sometime. There are
repair kits available which includes repair instructions with the parts, if you want to do it yourself, you can buy and repair it yourself. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Jun 18, 2010 | RCA HD52W59 HDTV Projection Television

4 Answers

PT-51HX40b BP819


Only use the same part number when replacing convergence amps, or you will need to replace all of the power resistors with recommended values for the convergence amps subsituted.

Dec 08, 2007 | Panasonic PT-51HX40 51" Rear Projection...

2 Answers

No picture


Convergence amp ic have loose connection or are bad.
if you want to fix it yourself:
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 07, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

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