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10. High Voltage Output Circuit
Trouble in H.V output circuit
Is VB+(+185Vdc),
12V lines correct?
Yes
Is the
voltage of the pin3
(ON/OFF) in HVG ON
level(1.5V~15V)?
Yes
Is the
value of the
R622 correct?
Yes
Trouble in HVG
No
Refer to trouble in R.S.V.
No
Trouble in R628, R629.
Check the EHT set (pin 4 in HVG)
EHT set :
No
28
R(
)
EHT(KV)
1K
25
330K
26
2M2
27
27.5
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