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Vintage Tape (Audio), Cassette, Wire and Magnetic Disc Recorders and Players Open-reel tape recorders, cassette recorders, 8-track players etc.

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Old 27th Jan 2020, 10:42 pm   #1
Rick577
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Default Akai GSC 730D with a playback problem

I know this is not the correct thread, but I'm new and didn't see how to do a new posting. In any case, I have an AKAI GSC 730D (auto reverse) with a playback problem. First, both meters work; when I play a tape forward, the left meter registers but not the right one and there is no stereo obviously. In the reverse mode - same tape - the right meter registers but not the left. Head, pinch rollers, etc., are all clean.

Last edited by AC/HL; 28th Jan 2020 at 1:48 am. Reason: Thread split
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Old 28th Jan 2020, 10:00 pm   #2
DMcMahon
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Default Re: Akai GSC 730D with a playback problem

I do not know this cassette deck (or any cassette deck really), so may be way off with my comments.

To me it possibly sounds like an alignment issue with respect to the playback head and the tape. Have you checked the combined Playback/Record head adjustments, particularly height.

I assume the height/position of the Playback/Record head assembly is moved when selecting Reverse playback. I see from the Service manual that there is a head up/down lever, so I would check the mechanical setup of that which is done via adjusting the Play and the Reverse solenoids positions.
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Old 28th Jan 2020, 10:10 pm   #3
Ted Kendall
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Default Re: Akai GSC 730D with a playback problem

I'd be inclined to check the cable between the head and the pre-amplifier - a break in one channel would flip to the other side on reverse play if the head is being moved vertically.
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