Star Micronics NX-1020 Technical Manual page 67

4
Output of
power supply unit is
normal? *4
YES
Turn power off.
Remove connector CN5 from
main logic board.
Turn power on.
Fuse blows out?
YES
Replace fuse.
1) Replace main logic board.
2) Replace printer mechanism.
3) Replace control panel board.
A
*4
+25V ± 5%
+25V Line
+5V ± 2.5%
+5V Line
NO
NO
Between Pin 1 and Pin 2 of CN1
Between Pin 4 and Pin 3 of CN1
– 63 –
Replace power supply unit.
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