6-2. Vertical
Unstable
picture
| Is the | ||
| |||
| line voltage is | ||
| correct? | ||
|
| Yes | |
|
| ||
40V |
|
| |
Is the | |||
| |||
| pulse of pin 6 of | ||
| the IC401 | ||
correct? | |||
| |||
No
Is the output of pin 8 of IC501
all normal?
No
Check the IC501 and its ambient circuit
No
Yes
Yes
Refer to P. S. U
Trouble in vertical D. Y
Check IC401 and its ambient circuit
21
