Hitachi P50T01E Service Manual page 26

[USB troubleshooting]
Does a phenomenon appear
if you change a USB cable &
pin4(+5.6V)/5(+5.0V) of I4U1
[SD Card troubleshooting]
No Picture
Are the voltages of
pin4/5/6/7(+3.3V) of PSHL
connector of MAIN PCB
normal?
Yes
Change SD PCB
If no improvement,
change MAIN PCB or ESL
(cable)
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
No Picture
EMH (FFC cable)?
Yes
Are the voltages of
of MAIN PCB normal?
Yes
Change SD PCB
If no improvement,
change MAIN PCB
No
Change MAIN PCB
No
Change USB cable or EMH (FFC cable)
No
Change MAIN PCB
[SWIVEL troubleshooting]
SWIVEL does not move
When the Swivel button
on the remote control,
is "Not Available"
displayed?
A cable is not connected to the swivel stand
or a plug connection is incomplete.
25
No
Change Terminal PCB or
Yes
Swivel cable