NO POWER ON
Start check
|
||||||
Doesn't the
screen whole come out?
|
Yes
|
Is it
identical
with Power Off condition?
|
No
|
Is the Interface
signal operated?
|
||
Yes
|
Yes
|
|||||
No
|
1. Check the
Power Off
condition.
|
2. Check the
Interface
signal condition.
|
||||
Doesn't the
low pressure output come out?
|
Yes
|
Doesn't the
St-by 5V signal come out?
|
No
|
Doesn't the
5V Monitor signal come out?
|
No
|
Doesn't the
VSC signal RL-ON come out?
|
Yes
|
Yes
|
Yes
|
||||
No
|
3. Check the St-by 5V signal circuit.
|
4. Check the
5V Monitor
signal circuit.
|
5. Check the
VSC RL-ON
signal.
|
|||
Doesn't the
high tension output come out?
|
Yes
|
Doesn't the
VSC signal Vs-ON come out?
|
No
|
Doesn't the
Vs, Va voltage
output
come out?
|
||
Yes
|
Yes
|
|||||
No
|
7. Check the
VSC Vs-ON
signal
|
8. Check the
Vs, Va
voltage output circuit.
|
||||
Does high tension output voltage Drop occur?
No
Manufacture
enterprise
meaning of a passage.
|
Yes
|
When the
Y, Z B/D
Module input connector is remove, does Power Board hightension
output voltage Drop occur?
Yes
9. Check the
Power Board Output high
tension circuit
|
No
|
When the
Y B/D Module
input connector is
removed, does
output
voltage drop
occur?
Yes
10. Check the Z B/D Module output circuit
|
No
|
When the
Z B/D Module
input connector is
removed, does
output
voltage Drop
occurs?
Yes
11. Check the Y B/D Module output circuit
|
