Hitachi P50T01E - Sub Picture & Teletext Troubleshooting

21
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
[Picture: HDMI troubleshooting]
HDMI
No
c
Are both inputs abnormal?
Change MAIN PCB
Yes
Which input is abnormal?
HDMI2
HDMI1
HDMI2
Change MAIN PCB
HDMI1
Are waveforms at
pin13/14/16/17/20/21/23/24 of I405 of
MAIN PCB normal?
Change SD PCB or EMH (FFC cable)
If no improvement,
chan
g
e MAIN PCB
No
Yes
Change MAIN PCB
Does a phenomenon appear
if you change a HDMI
cable?
Yes
No
Change HDMI cable