Question about Televison & Video
Problem is no picture but has sound. There is a ticking coming from a relay on the main power board. There was also a blown fuse on the Ysus. I replaced the fuse and no change and still have ticking. I also tried unpluging the Ysus and all other components that I could. Still the power board ticks. I guess I'm trying to figure out would it be the Ysus that is bad if the power board is still ticking even with it unplugged?
Y-Sustain IC short. Replace this board as card basis. If you wish to get some details; check the site linked here.Viewing it in "Mosaic" will make surf easy.
Posted on Feb 08, 2014
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Posted on Jan 02, 2017
Unfortunately, that board is the inverter board. And for this model the inverter board is only supplied with the the PDP panel. The panel is quite expensive, here's a link if needed:
LG 42PX5D Replacement Part PDP Plasma Display Panel
Posted on Dec 29, 2008
The part that caused the fuse to blow is the hybrid that is mounted underneath the heatsink on the YSUS and ZSUS boards. The part used on these boards might be YPPD-J017C or YPPD-J018C, in about 90% of the time, replacing these hybrids fixes the plasmas with no video but good audio. Since VS and GND is shorted, that means that the hybrid has shorted internally. Most service techs would rather replace the entire YSUS or ZSUS boards since the hybrids are very difficult to remove.
Let me know if you require further assistance.
Posted on Apr 09, 2010
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