The complaint of this CRT TV was one horizontal line (about an inch thick).
One horizontal line problem in CRT TV or monitor is actually very common and the usual cause were dry joints in the vertical output IC, missing DC supply voltage to the vertical IC, bad surrounding components, bad vertical output IC and etc. Sometimes the yoke coils connector can have dry joints and in very rare caes, vertical yoke coils can be open circuit.
In this video we discovered blown out capacitors.
By electronics e-learn.

video link: [ Ссылка ]

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