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VHS Hitachi VT-35E repair

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Hitachi VT-35E (1984) Reparatur: Der Tausch des defekten STK4121 war noch das Einfachste. Bei den Fädelarmen war in den Stiften der Fädelzahnräder die Schmierung verharzt. Ziemlich schlimm war es am rechten Fädelarm, dieser bewegte sich kaum mehr und beim Ausbauen benötigte man viel Kraft und es ging nur durch kräftiges Ziehen und gleichzeitigem Hin- und Herdrehen unter Berücksichtigung den Videokopf nicht zu beschädigen! Um überhaupt mal so weit zu kommen, musst man ziemlich viel zerlegen...
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Hitachi VT-35E (1984) repair: Replacing the defective STK4121 was the easiest thing. On the threading arms, the lubrication had hardened in the pins of the threading gears. It was pretty bad on the right threading arm, it hardly moved anymore and when removing it you needed a lot of strength and it was only possible by pulling hard and turning back and forth at the same time, taking into account not to damage the video head! To even get that far, you have to disassemble quite a bit...
Music by: "Karl Casey @ White Bat Audio"
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Hitachi VT-35E (1984) repair: Replacing the defective STK4121 was the easiest thing. On the threading arms, the lubrication had hardened in the pins of the threading gears. It was pretty bad on the right threading arm, it hardly moved anymore and when removing it you needed a lot of strength and it was only possible by pulling hard and turning back and forth at the same time, taking into account not to damage the video head! To even get that far, you have to disassemble quite a bit...
Music by: "Karl Casey @ White Bat Audio"