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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Need CTC169 Expert
Just got done solving a vertical jitter problem on a CTC169CL5 but now I
need to solve a vertical centering problem. It is just slightly out of aliginment but when I adjust the vertical height for a full CNN (cable news) ticker display (at the bottom of the screen) then the top comes down too much. I cannot find any adjustments to center the vertical (no service menu on this one). Do you know what parts would affect the V-Centering? The parts I replaced a C4520, C4503, C2313 (used a 220uf to replace the odd 180uf), U4501 & CR4504. Thanks for any help, Mark |
#2
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Need CTC169 Expert
I've seen C4504 cause height and centering problems. It's a 0.47uf 100v.
Good luck, |
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Need CTC169 Expert
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#4
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CTC169 Problem Solved
I found out that the problem was caused by me when I replaced C4503 with
a 2,200uf cap instead of the called for 1,500uf. Some 169's use a 2,200uf but not this model. |
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