Denon DP 59L

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Licorice_Pizza
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Denon DP 59L

Post by Licorice_Pizza » 06 Nov 2018 04:43

I am hoping that there will be someone knowledgeable that can direct me in resolving a few issues I am having with my DENON DP 59L turntable. The first and obvious problem is that when I turn on the TT the "LOCK" light is on and steady even though i have not pushed the START/STOP button and platter is not spinning. Now when I do push the START/STOP button platter does not immediately start spinning. (note: this is intermittent as it sometimes will start very slowly but never really gaining speed) I would have to push platter along just enough to get it started and then it would start to spin and gain speed beyond what the rpm of 33 1/3 as indicated on the LED monitor , maybe even faster than 45. ( I haven't clocked it as I'm not there yet) The SPEED INDICATOR seems to not be accurate. During this time LOCK indicator seems to be solid, not flashing as it should if platter is not spinning at the desired speed. Upon visual inspection of magnetic paint on underside of aluminum platter... all seems to be fine there are no indications of scratches are marring.

Second problem I'm faced with is that the LIFTER function doesn't seem to work. I tried simple tests as swinging tone arm/needle to cue at first track, actuate DOWN nothing. I move tone arm/needle in a couple of tracks and actuate and it will go down and up. I have not tested it needle will lift automatically at the end of all tracks near center of platter.
Anyone have any ideas how i can repair this and or links to respective how-to videos or can direct me to a reputable repair person that specializes on these Denon TT .

Spinner45
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Re: Denon DP 59L

Post by Spinner45 » 06 Nov 2018 07:44

Unfortunatly, those DP-xx models are highly complex, and impossible to diagnose across the internet.
People come on here all the time with "DP" troubles.
Yeah, they were sweet machines IN THE 1980's...but over time they all seem to go bonkers.
I unloaded a DP-59L through Craigs List a couple years back, while it still functioned, I didn't want the hassle, just the money, to be honest.
I knew about those impending issues.

In my opinion, simplicity and non-electronics are my preference.
Less to go wrong, and easily repaired.
I'd much rather enjoy the music than worry about failing capacitors and IC chips.

LN Cree
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Re: Denon DP 59L

Post by LN Cree » 06 Nov 2018 08:52

I have a DP-45F and maybe can give some tips instead of saying to just dump it coz it's too complicated. I really like mine, it plays and tracks everything just great and i've had it for going on 32 years. Press and play magic. Anyway, of course anything this age will start to show some strange behavior. your issues sound a bit like mine, what I did was check all the easy things first before deciding it's in the electronics. The speed problem may well just be that the lube in the motor spindle is not good anymore, so just clean out all the old stuff and relube with a couple drops of a quality synthetic multi-weight oil. And check the lube on the bottom mechanism and in the shaft of the arm, this may also need a good cleaning and lubing. Once i tackled these things the speed problem is gone and the arm lifts and tracks just like it should. Basically the same fix as on the "less complicated" machines. Haven't yet had to repair any of the electronics so if the re-lubing doesn't work it may require some specialist expertise. Cheers and good luck.

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Re: Denon DP 59L

Post by Licorice_Pizza » 09 Nov 2018 04:15

Can anyone help me find someone that can refurbish my DENON DP 59L Turntable?

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Re: Denon DP 59L

Post by EdAInWestOC » 12 Dec 2018 01:47

You need to find an electronics technician that is willing to recap that turntable. Just like the DP-60L you asked about, you are experiencing old capacitor issues.

Ed

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Re: Denon DP 59L

Post by Licorice_Pizza » 21 Dec 2018 11:47

EdAInWestOC wrote:
12 Dec 2018 01:47
You need to find an electronics technician that is willing to recap that turntable. Just like the DP-60L you asked about, you are experiencing old capacitor issues.

Ed
EdAINWEstOC Where would I go to purchase the Capacitors for this DP59 turntable? Do you have any links to websites that sell online? Is there a brand of capacitors that you would recommend? Any leads would be appreciated. Thank you.

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Re: Denon DP 59L

Post by Audiodude » 23 Dec 2018 04:50

Digikey.com and Mouser.com are probably the two best sites for components.

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Re: Denon DP 59L

Post by TheDarkSignal 666 » 12 Feb 2019 20:32

Hi there

I am also struggling with my DP-59L.
First off it wouldn’t turn and the tonearm won’t “levitate”.

I found that the pins on the pcb for the 3-pole plug for the motor had to be resoldered. Secondly the transistors with the largest heatsink had to be as well.

Now I “only” have to deal with the tonearm, and all voltages printed on the diagram are as they should be or very close to anyway.

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Re: Denon DP 59L

Post by tom6to1 » 01 Mar 2019 20:04

I do not have one of these but they look like great turntables. The knock on them, and several other "servo-control" turntables is the electronics dependency and particularly the custom IC chips. These are now 40 years old and may fail. To protect them, please recap as well as look at the transistors because you want to be as gentle as possible with the IC. If the IC fails, you need a donor turntable because I don't think these ICs are made by anyone anymore.

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Re: Denon DP 59L

Post by Spinner45 » 01 Mar 2019 21:52

tom6to1 wrote:
01 Mar 2019 20:04
I do not have one of these but they look like great turntables. The knock on them, and several other "servo-control" turntables is the electronics dependency and particularly the custom IC chips. These are now 40 years old and may fail. To protect them, please recap as well as look at the transistors because you want to be as gentle as possible with the IC. If the IC fails, you need a donor turntable because I don't think these ICs are made by anyone anymore.
Indeed, they LOOK impressive, you're right.
And at the time they were made, they apparently had high specifications.
And honestly, I don't blame people for wanting them now.
But as someone well-versed on turntables, and electronics in general, I surely don't want one.
They were so over-designed, that to me it's not worth the aggrevation, even if restored.

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Re: Denon DP 59L

Post by audiopile » 02 Mar 2019 07:35

The very first thing that you need to understand about a whole raft of these auto turntables is that you need to be sure the model you are looking at/evaluating does not have a photo record sensor. I know for sure that the one really smokin good deal I've ever been able to get on a Denon servo-arm table was because the previous owner/flipper never put a record on the platter -and sure 'nuff -the arm wouldn't get anywhere near the platter-table just wouldn't play. Denon and Sony made a number of tables over the years with this feature. I do suspect that some individual models of these turntables have been sold over and over again -'cause they don't work. Have known a few target pistols that went thru lots of hands for exactly the same reason-looked like a great piece of gear - weren't reliable.

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Re: Denon DP 59L

Post by Spinner45 » 02 Mar 2019 08:38

audiopile wrote:
02 Mar 2019 07:35
The very first thing that you need to understand about a whole raft of these auto turntables is that you need to be sure the model you are looking at/evaluating does not have a photo record sensor. I know for sure that the one really smokin good deal I've ever been able to get on a Denon servo-arm table was because the previous owner/flipper never put a record on the platter -and sure 'nuff -the arm wouldn't get anywhere near the platter-table just wouldn't play. Denon and Sony made a number of tables over the years with this feature. I do suspect that some individual models of these turntables have been sold over and over again -'cause they don't work. Have known a few target pistols that went thru lots of hands for exactly the same reason-looked like a great piece of gear - weren't reliable.
Optical sensors in a turntable are a pain in the butt.
They have no business in a turntable just because of their "touchy" and critical design.

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Re: Denon DP 59L

Post by audiopile » 02 Mar 2019 16:30

Sorry spinner -just don't agree. I had folks "play" the matt often enough over the years -nice for my stylus replacement business -but sad for them. Once they went to LED's for the light source they have been very reliable -but like everything else -every safety feature is potentially a failure point. A definite benefit for the proportion of my customers who apparently only rarely mixed sobriety with music listening.

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Re: Denon DP 59L

Post by Licorice_Pizza » 04 Mar 2019 03:01

audiopile; very funny "rarely mixed sobriety with music" leading to ruined needles. And I always thought it was placing lit candles next to your turntable and placing sweating cold drinks on your platter.

Now does anyone have anything on how I can learn to replace the capacitors on this particular turntable (DP 59L). Perhaps a list of the individual Caps and where I will be able to isolate them on the boards. If i had an actual inventory of each cap I could order them from dealer. Also, a diagram of where I would find each and every one so I can find and cross index each cap to replace. In other words I have no idea how to indentify caps or anything about them but i feel that my soldering skills are up to the task as I have always been into R/C hobbies and use a soldering Iron often. I just dont have any idea how to identify capacitors and their distingusing differences so that I knew how and what to order from an electronic dealer. Thanks to all that could answer this for me.

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Re: Denon DP 59L

Post by Spinner45 » 04 Mar 2019 04:44

Licorice_Pizza wrote:
04 Mar 2019 03:01
audiopile; very funny "rarely mixed sobriety with music" leading to ruined needles. And I always thought it was placing lit candles next to your turntable and placing sweating cold drinks on your platter.

Now does anyone have anything on how I can learn to replace the capacitors on this particular turntable (DP 59L). Perhaps a list of the individual Caps and where I will be able to isolate them on the boards. If i had an actual inventory of each cap I could order them from dealer. Also, a diagram of where I would find each and every one so I can find and cross index each cap to replace. In other words I have no idea how to indentify caps or anything about them but i feel that my soldering skills are up to the task as I have always been into R/C hobbies and use a soldering Iron often. I just dont have any idea how to identify capacitors and their distingusing differences so that I knew how and what to order from an electronic dealer. Thanks to all that could answer this for me.
You want to play technician.
Fine.
However, since you obviously don't have a clue about the electical components involved, and the required re-calibration procedures involved afterwards, I'd suggest employing a reputable tech.
I doubt that you have an oscilloscope, along with all the other pieces of test equipment needed.
It takes much more than willingness and a hot soldering iron for these things.

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