NO PICTURE
A
Is amber
power LEDIYes
blinking?
No
Is
amber LEDYes
on?
Check the video
cable connection
No
Is
greenNo
power LED
on?
Press power switch;
if LED does not turn
Yeson, repair power supply (I)
Does
A-Board make properNo
Press A Board carefully
contact with to make proper contact with
CRT gun?CRT gun
Yes
Check heater, G2, red, green
and blue cathode voltage levels.Can
Repair video (12) if neededyou getNo
picture?
Yes
Done
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