Service manual

29
10. High Voltage Output Circuit
Trouble in FBT
Is Q505
collector waveform
normal?
Yes
Yes
No
Trouble in IC501
ambient circuit
Is IC501
pin 8
normal?
Yes
No
Trouble in H.V circuit
(No Raster)
Trouble in IC501
ambient circuit
Is the
IC501 pin15 H.trigger
correct?
Yes
No
Trouble in H.trigger
Trouble in power
supply circuit
Is
B+(45V) line
voltage normal?
No