Forum > PLASMA TV forum
LG50 PC1 psu bad short keeps blowing fuse
(1/1)
Cornboats:
Lg50 pc1d
--------------------------------------------------------------------------------
I have trouble fault finding a fault on psu board YPSU-JO12B.
Changed shorted Q855 SD20N60 power fet
Symptom-fuse keeps blowing.
All other Power fets tested ok.
removed Relays RL101 & R102 & tested ok
removed C603 & c603 power capacitors and tested ok.
removed diode D601 and tested ok.
Last time I tested the thyristers TH01 blew up as well as flowing fuse.
Any help would be welcome.
Navigation
[0] Message Index
Go to full version