N
N
N
N
Y
Y
Y
Y
Check Start
Check the Vs and Va of Power PCB
Are they normal?
Set the values to typical voltages
Replace the Y-SUS
Do you still see the weak
discharge or abnormal discharge
on the screen?
Do you still see the weak
discharge or abnormal discharge
on the screen?
Done
Replace the Z-SUS
Do you still see the weak
discharge or abnormal discharge
on the screen?
Replace the Scan B/D
Done