Toshiba 42HPX95 42 in. Plasma Television "background sound tv load" Questions

SOUND STILL GOOD WHAT BOARD ?? Hi Willianette nice to work with you here in fixya..Actually that problem is usually have 3 causes its either Ysustain,logic/controller or XY board..But commonly need to

...sound coming from the boards on both side of the tube and possibly also the power board (don't know what the side boards are called). Have tested DC voltage outputs from power board with DMM, ...

Background: We have just purchased a new Sony TV 46" Bravia bla blah blah. It's all very schmick and monolithic like 2001 a Space Odysee) We have a Pioneer DVR 645H (manufactured ~2007, currently