No +34V output
Check
voltage
between 5.5V and 6.5V.
Check
voltage
+34V.
Check
U507 and T502 is OK.
No +34V output
Yes
whether
the
of
CE503
is
Yes
whether
the
Yes
of
CE507
is
Yes
U503 、
whether
5-11
No
Check U507、D503、ZD509、ZD502
No
Check D514
No
Trouble shooting chart
Replace component
