I have at home Akai gx620 tape reel deck. A lot of Akai-s and also mine had problems with 2sc458transistors. I replace them all with 2sc1815 and one dead chanell is playing again ok and values vs service manual are in 5% region.
The only problem that stayed is defect rec head. One winding has 5,6ohm and recording is ok another winding 1 ohm and no recording is working on that channel. Electronic is ok because if i swich wires on pcb and record with other channel it records normally.
Has anybody any source of Rec head code R4-241 it is the same for 620, 625, 635, 4000....
Thank you.
The only problem that stayed is defect rec head. One winding has 5,6ohm and recording is ok another winding 1 ohm and no recording is working on that channel. Electronic is ok because if i swich wires on pcb and record with other channel it records normally.
Has anybody any source of Rec head code R4-241 it is the same for 620, 625, 635, 4000....
Thank you.
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