Prima PS-32HU35S, Service Manual

Page: 24 / 35

22
2. Troubleshooting guide
2.1. No raster
Turn-on power supply, check
if the red indicator is light in
the STANDBY?
Check if PIN9(5V) of XS15
on main board is normal?
Check STANDBY circuit of
power supply board
Press POWER button in the
unit or sensor control and
check the indicator.
Check the power board and
panel drive
Check if the PIN1 , 2 of XS15
on main board is low-level?
Check the power
supply board
yes
no
no
red
blue
no
yes
Check NS14 and its
peripheral circuit