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One last message. I found a way to twist the head slightly without having to remove the head mount from the base. I placed a small tensioned spring between the screw and a flat washer holding the head mount to the vertically moveable base. The vertical movement is to shift the head for...

Thanks TSL for all your help. I will arrange the head so I can rotate it slightly for the best signal then set it in place. If the reverse is still off, I will settle for forward only. I will use my scope to check for the correct phasing.

I agree, there has to be a gap otherwise the head could not pick up the narrow vertical magnetized strips on the tape correctly. The AKAI heads of the GX-365 are surfaced with a crystal like material that prolongs the wear life of the heads. Since the glassy surface appears to be intact, the gap...

I had to take my PC to have a faulty RAM replaced. I am in the middle of editing a wedding video and creating a DVD so the RAM couldn't wait. I will also have to rebuild my PC because the faulty RAM has created a few problems in my OS. This means I will be off line for a few days. I managed...

I forgot to add that I am unaware of any manuals that can be opened online. I usually have to buy them from manual sellers. I can however photograph portions of the manual and send them to you.

Sorry for all the repeated posts. I am new to this forum and did not realize there was a second page. Not all forums deal with posts the same way. The capstan is belt driven. I do not have a wow and flutter meter. I do have a dual trace scope, a digital and a small analog multimeter, and a...

This is my third try to post the reply. I hope it works this time. My AKAI GX-365 has two large motors. Both are controlled by voltage levels for tension using high power tapped resistors, timing sequences for smooth transition between functions, and 13 relays to switch the sequences in the...

This is my second attempt on this reply since the first appeared to have failed. It is probably fortunate since the message will be shorter. The AKAI GX-365 weighs 59 lbs with two large motors for forward and reverse. These are controlled by varying voltage levels for torque through...

The AKAI DX-365 is a 59 lb machine with two large motors, the torque of which, from the service manual, are controled by varying the voltage to the motors using a bank of high power mutitapped resistors. One motor is used for forward, the other for reverse. These are controled by a bank of 13...

The AKAI is dual motor, one each for forward and reverse. There are also tension and electric brake adjustments. I will look for the instructions for tape tension in the AKAI Service Manual.

Unfortunately, I do not have a grease pencil at present, so I shall get one. I do have a transparent 1/4" leader tape that allowed me to align the top edge of the tape to the top edge of the top core head for forward play and the lower edge of the tape to the bottom edge of the core head when...

The MRL standard alignment tape does have a 10KHz @ -10 dB in the bandwidth alignment section. I am still on the reverse alignment and trying to understand why the reverse is much lower in volume -6 to -10 dB (left and right channel difference) than forward. During the forward test @ 1 KHz...

Thanks you so much for your help. It makes a lot of sense and sends me in the right direction. The Akai glass crystal head makes it difficult to find the precise location of the gap. Any light to make the job easier is reflected back. You probably already know that the MRL 7.5 ips alignment...

I have rebuilt an AKAI GX-365 tape deck. The audio now works as expected. I need to align the playback head in both the forward and reverse directions. I have an MRL 7.5 ips alignment tape and the AKAI service manual. The AKAI uses a single playback head that is solenoid shifted in a...