Question about Teac DUAL CASSETTE A/R 110/220 Single Dual Cassette Deck

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Need help aligning heads on a A4300 reel to reelshop has no manuals on this deck, said the heads are out of alignment and the tape is not riding on heads correctly

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Posted on Jan 02, 2017

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SOURCE: How to change belt in teac x1000r reel to reel tape deck

If you are not familiar with such work, I don't recommend trying to install belt(s). Replacing belts may involve disassembly of mechanism parts and critical adjustments to follow. Take to a pro/tech

Posted on Apr 23, 2008

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SOURCE: TEAC X1000R Stereo Tape Desk (reel to reel)

usually its a capstan drive belt. $10-18 for the belt & 30mins repair time - you'll be up &brunnin b4 you know it bigmattt@gmail.com

Posted on Jun 20, 2008

  • 1 Answer

SOURCE: play back on Sanyo mr-929 reel-to-reel tape recorder is backwards

I also have an MR-929. The information that you need is in the 'Stereophonic 4 track stereo''. As stereo is only two tracks, there is another 2 tracks in addition to the one you are listening to. Wind the entire reel to the empty spool, and then play that. As you have to physically turn the reel over to do so, you should then hear the other tracks (or track, if recorded in mono).
I use my 929 to play my parents recording of my family from the late 60s, which were recorded on a valve (tube) Ferguson machine, which had a green "magic eye" level indicator, which as a child I found fascinating!

Howie

Posted on Apr 15, 2009

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SOURCE: I have a TEAC reel to reel stereo tape deck, Model

That's a rarity but easily fixed. Before pulling anything apart spray some penetrating oil (WD-40) or similar into a small container. Then with a cotton bud soak the tip in the penetrating oil and apply it to the base of the capstan where the bearing is. Allow this to sit for a few hours and even repeat it if it looks to have soaked the oil up. NOW, with the power lead out of the wall socket remove the top cover of the deck. You will have to remove a few knobs and mode switches too. Now see if you can rotate the capstan flywheel by hand. It might take a bit of pressure to get it to turn but once it does keep going until it starts to rotate freely.

By the way, check that the capstan drive belt is in one piece and not slipping first.

If it's running freely then reassemble the cover and other pieces tyhen put a few drops of light oil on the capstan bearing (sewing machine oil is ideal) Do this because penetrating oil will dry out after a while. That should fix it.

I'm assuming you know exactly how to thread the tape through the machine. Don't forget to position the stop lever on the upper side of the tape otherwise nothing will operate. If you are unsure about that write back and I will elaborate.

Posted on Apr 24, 2010

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AKAI REEL TO REAL MODEL 1700 OPERATOR'S MANUAL


Here you are Andrew. That is a blast from the past!!

Service Manual and Owner's Manual!

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How I solve the channel overlapping?


This is down to the head alignment. Once that is corrected the sound will recorded normally and playback normally too. However any tapes recorded during the fault will not play right.

The head alignment can be corrected, using two adjusting screws located either side of the head. To get at them the door cover has to be removed. To align you play a pre-recorded good quality tape. You adjust the screws till the sound is bright and clear and only the sound recorded on that side of the tape can be heard. Best done with headphones. If you can use a commercial music tape. If you use the decks own recordings it might not be right.
If there is any damage to the head mounting you will not be able to get the alignment right.
PS use the right screwdriver for the head screws. These are very small and easily wear away. If you wear the screw head away you might have a job getting a new small screw that will fit.

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What is the bias control's function?


The Bias control is used during recording. If you turn down the bias, you will get more highs, but the distortion will increase, and then start to increase dramatically if you back off the bias more.

As far as playing tapes from different decks goes.......

1..Does the tape that you recorded on your deck sound OK on your deck ?
2..Does the tape that you recorded on your deck sound OK on other decks ?

If 1 and 2 are true, then your deck is OK.

If the tapes recorded on a specific deck sound bar on yours, but 1 and 2 are true, then the other deck is faulty.

When a deck leaves the factory, the head is aligned to a " standard " tape. By standard tape I mean a very special tape recorded in such a way, that a tech can tell if the head is out of align and "tweek " the physical alignment of the tape head..

All decks are aligned just a little differently, but fairly close to each other.

first do the mechanicals....is the head of your deck spotlessly clean ?. Use 99% pure isopropanol alcohol and a cotton swab. Never use anything metal to clean the tape head. If you scratch the head, its toast.

If your deck is clean, plays its own recordings well, and those recordings play well on other decks, then your deck is not the problem.

Hope this helps,
Rob

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1 Answer

Akai gx-625 reel to reel tape deck has no sound


This could be a head fault? Another possibilty is the preamp stage. You will need to look for something that would take out both channels. Such as an IC.

Aug 26, 2009 | Audio Players & Recorders

1 Answer

Only one channel is playing, i heard some music in stereo. Do heads need adjusting?


clean the head with alcohol.if the head surface is not smooth,it could be worn
.there is a small screw on the side of the head for changing the azimuth.
most front load tape decks have a small hole in the front of the door, when the outer part of the door is taken off.
the best way to align the heads with with a 10khz alignment tape and an oscilloscope.
the screw is adjusted for maximum high frequency performance.
a qualified shop should be able to do a complete service and align for around 50 dollars

Aug 18, 2009 | Audio Players & Recorders

1 Answer

Technics RS-TR373 is chewing tapes


A lot of tape chewing problems are caused by the capstan roller being worn. Check for wear or oxide on that first.

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2 Answers

AG-DV2000


If you are seeing tape collect inside the unit, the takeup side is not functioning correctly. This may be as simple as a belt change or idler change. This is not a repair I would suggest that you start with. The alignment of the tape is critical to proper functioning. I would geuss that the "link support mech" is probably just the belt/idler assembly or it is a "mode" switch. In any case, this unit should be sent in for repair. As part of that repair, the conformance to industry standards.

Dan

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Hmmm.....heres a really stupid question but........is the head clean ? There may be a bit of oxide shorting the one side of the head out. Try cleaning the head with a q-tip and some 99% pure isopropyl alcohol. If you have done that ( you seem to be more knowledgeable than most ), I would suspect either the circuit that drives the right channel record head, or the head itself. Is the head running flat against the tape?. Is there a record/play relay or record relay somewhere in the circuit ?. I think at this point you really need a schematic. Do you have the AC oscillator signal ( bias ) present on the right record head ?. I would try this first, then look into a manual.......Good luck...Rob

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You might try: http://shop.vendio.com/reelprosound/contact.html
They stock parts and possibly operations manual. This machine is a high end R/R and unless someone has tampered with head alignments, adjustment is not needed. You might inquire about this also

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2 Answers

Error "04" on display & tape won't eject


you have bad capacitors in your power supply. i would suggest you take your unit to a good shop in your area and request a power supply re-build and mode switch cleaning.

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