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[emoji24] get me some solutions, is it belt. Cap motor etc?Meaning what?
This is such an anti climax! Looking at the title in the thread listing, I clicked on it eagerly because I had visions of the Nak crawling all over and wanted to read all about it.
If so can, is it available? Or need to find substitutefrom my experience with various cassette decks over the years, there can be only 2 reasons, reason-1 could be dying caps on the powersupply elements feeding the motor servo or the servo itself, good way to test this is to measure the voltage across the motor rails before and after the "crawling" occurs. If a dip in voltage is causing the "crawling" then its the servo or the powersupply. I hope reason-2 is not the root case, which is, the main drive motor is on its way out.
If its the servo or the powersupply, recapping can solve the problem (after running checks on these with a capacitance meter). If its the motor, you can definitely find the OEM replacement online but Nak spares come at a price. It would be great if you could have a knowledgeable technician look it up for you.
I am no were as I dont know the original values of toro trans
So will give to someone who will really fix it..
I was reading some articles which suggests it's a common problem with sankyo transport and the cause is dead spot on capston motor.
And servicing it with wd40 etc resolves the problem
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Let me try itTry as below..
Remove the top cover and observe while Forward or PLAY-ing the reel motor is rotating. If yes then check by hand (probably need to remove the motor from the mounting base) the motor is freely rotating. If it is freely rotating the motor is ok. If not the motor not rotating freely it required a cleaning service or replacement. Avoid to spry any solution on motor shaft and it may sometime spoil motor winding insulation.
If the motor is rotating freely just measure the DC voltage across the motor terminal. It shall be about 3V while playing and 0V when stops.
If the above are ok then the motor and motor control circuits are ok. The problem is associated with mechanical gears, wheels and alignments in the mechanism.
Safety warning : If you are not familiar with basic electrical / electronic system, Please do with a Technician. Be aware about electric hazardous.
First and foremost my sincere advice will be if you really wish to own and listen to a high end Deck like Nakamichi then completely stop buying from any Indian seller here.If given free also disown it. I have nothing personal against them but trust me almost all of them know nothing about the technology of a Nak.
With all due regards to Rahul Chawla from whom you bought,he is a very sweet guy,very humble and accomodative,but am sorry to say when it comes to business a bit more professionalism is required.On cannot sell a Nak half working and believe me most of these Indian sellers do that.We think we are saving lot of bucks by buying these from them,but we never ever care to understand the trauma which we go through after post purchase is terrible.
Get your Nack from USA/Europe/Japan.Get it through Ebay and pay thrice the price you are offered here,but trust me you will take that Nak to your grave,still operating like a Rolls Royce.Again I have nothing personal against anyone,but I am just sharing this to stop people go through this ordeal.