Hitachi 57F59A Service Manual page 87

2.23-03 Trouble shooting for HDMI
(1) No HDMI picture
Start
Ensure power at pin 1 of IR03.
Ensure power at pin 8 of IR03.
Ensure power at pin 4 of IJ03.
Ensure H, V, Clock and Y
signal at pin 2, 3, 121, 132 of IJ01.
IZ01 or IW01 defect
OK
OK
OK
OK
86
NG SIgnal PWB or Signal Power PWB defect.
NG IR03 defect.
NG IJ03 defect.
NG IJ01 defect
DP65