Service Manual
UPO1000X Series
Instruments.uni-trend.com
27 / 31
Check whethe
r
keyboard’s
LED is working
properly?
Whether screen
is display
normally after 2
minutes?
End
Check
keyboard’s
connection
wire.
Reinstall
keyboard’s
connection wire.
Send back to
UNI-T Service
Center
Yes
NO
NO
Yes
Whether the
oscilloscope is
power on and
enable properly?
Yes
Check
connection
wire of
display
screen
NO
Yes
Yes
Reinstall
connection wire of
display screen
NO
Yes
