UNI-T UPO1000X Series User Manual

Service Manual UPO1000X Series
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Press power key
Wheter
fan is
turning?
Whether
power key
is turns
red?
Whether
power key
is turns
red?
1. Check fan’s connecting wire
2. Check fan’s power supply
3. Check whether fan is broken
Confirm
1. Wheter power cable is connected
to the oscilloscope?
2. Wheter power cable is connected
to the AC power socket?
3. Wheter the AC power socket
have AC power?
4. Replace power cable
Whether
power key
is turns
red?
Connecting power
supply
Open power siwtch
Whether
power key
is turns
green?
1. Check keyboard’s connection
wire.
2. Check whether MOS Q4 in
keyboard is working properly?
3. Check whether MCU is
working properly?
NO
NO
NO
Yes
Start
Yes
NO
Yes
Yes
Yes

UNI-T UPO1000X Series Specifications

General

Brand	UNI-T
Model	UPO1000X Series
Category	Test Equipment
Language	English