Can't adjust far enough the red horizontally far enough to the left.

Convergenge went out suddenly. I can adjust the blue horizontally and vertically. The red will only adjust vertically and horizontally but not far enough to the left to line up with the rest. I saw old post about this and somone said to change the IC804 controls. Replace them both with STK392-110. Also, check for cold solder joints in the vicinity of these ICs. If anyone has schematic for this unit that may also be helpfull I was wondering if that would be my problem as well also if it is I found this part on a website for sale would this be the one I need STK392-110 SANYO IC 18-PIN SIP - DISTRIBUTED BY MCM

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