Sanyo with no vertical deflection

[L. Kotney]

I have a sanyo model ds27800 that has no vertical
deflection. When I turned it on it popped and then
had a straight line across the screen. Was wondering if any one had
experienced the same problem and if so could guide me to the cause.. I have
no schematic on
this set and there is no obvious cause to the problem
from a close examination.
o

 

[sofie]

L. Kotney:
You will need to do an even "closer examination"....
...... faulty parts many times will not look obviously bad.... dust off your
multi-meter and do some troubleshooting and testing..... verify that the
flyback derived B+ is making it to the vertical deflection output circuitry.
Problem could be a bad output device, shorted electrolytics, open resistors,
shorted diodes, faulty or cracked solder connections, etc.