Sanyo DP50740 powers up but no picture or sound

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

SOURCE: 42 inch LG Plasma TV - Lost picture

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync

SOURCE: 50 inch Sanyo Vizon Plasma TV. Has sound but no

This set has LG insides, it will have failed on either the Y-Sustain PCB or the Z-Sustain PCB.

Quite common.

Repair estimates should be $250 - £350 depending on which has failed.

Stick it on eBay, it will fetch good money faulty.

Testimonial: "Thank you for your response. We were driving ourselves nuts - fuzes checked out fine and not other guess where to turn. We appreciate your help!"

SOURCE: Vizio 50 inch plasma tv has no picture and no

check the Y-sus and Z-sus board

SOURCE: 42' plasma won't show picture or sound.

It is your man power supply board.