Pioneer Timers

Dr. Strangelove · Jul 22, 2006

There are a number of Pioneer timers, representing 3 basic designs. Here are photos/specs of eight timers, and the year of the catalog in which illustrated.

I do not have photos for the DT-11/12/13/14/31/32/505/560/570.

And, I do not have a photo for the JT-215A, but I am posting a photo for the PP-215A, which is the same timer.

1980 DT-400
1982 DT-5
1980 DT-500
1981 DT-510
1984 DT-530 (English/French)
1984 DT-540 (English/French)
1984 DT-550 (English/French)
1977 PP-215A (Japanese)

Doc

gearhead · Jul 24, 2006

Thanks, Dr S.
It's interesting to see the different designs & the prices.
What's the difference between the 500 & 510?

bobinaz · Jul 24, 2006

I have to say that I have the dt-400 and like it the best. It has a big blue display, compact size, the thick, brushed aluminum face, and the simplicity of 1 knob and 2 switches. I use it as a clock in my stereo workroom.

Mark W. · Jul 25, 2006

Gearhead I own both the 500 and 510 and from what I can tell it's only the slightly different styling of the face plate the 500 has a frame around the display the 510 does not. and the knob is a different style other wise everything I can tell is the same.

gearhead · Jul 25, 2006

Thanks, Mark.

Stingray · Jul 25, 2006

I have the 530, seemed like I purchased it before 84. Anyway, it still works, using it as a clock with other stereo gear.

Surfacetension · Jul 26, 2006

I just bought a DT 400 should be here next week , Just some eye candy to make my system look cool

herbman1975 · Jul 26, 2006

The DT-510 has beveled plasic around the edges of the display, whereas the DT-500 has a metal "frame". Also different knobs, nothing else as far as I can tell. :smoke:

P. Shivers · Jul 28, 2006

I have a DT-540 that was working great until last Sunday. I swapped around gear, and had it unplugged for a short while, and now it won't keep accurate time. It is usually several hours off, after re-setting it numerous times. Any ideas?

Dr. Strangelove · Jul 28, 2006

I have seen this on several timers. I wish I knew what the problem was. I am very careful to make sure that I am not pulling more from a timer to drive the attached components than the timer can provide, and that I have the voltage selector set to 120v.

They just seem to get tired after a while...

I wonder how many timers are out there that are set for 110v instead of 120v?

Doc

edit: check this: http://audiokarma.org/forums/showthread.php?t=32565&highlight=110+120

Doc

madpioneer · Nov 7, 2006

I believe the problem fault in these timers is heat. Constantly on, the heat from the display cooks the board. You would be surprised how much is radiated in them. Want to semi cure a troublesome display? Just set the knob to 'Time Adjust'. Leave it like this, most times the correct time will continue unless you have some major heat damage. If you switch it back to the standard time setting the clock digits jump back and forth from correct time to incorrect time. Its a short term fix but will help you to utilize your timer longer. I have attempted to resolder the board inside to try to correct cold solder joints but no success yet.

What about the DT-555 all black timer for your black HT equip? :dunno:

Carve it · Nov 7, 2006

The Dt-510 also has a switch on the underside for 50/60 hz.

Thanks Doc for posting the link to the previous thread on 110/120 volt settings.

Dusty Chalk · Nov 7, 2006

I have the DT-550.

That is all.

siamac · Nov 7, 2006

Nice Pictures:

herbman1975 · Nov 7, 2006

siamac,

Do you have every piece of silver Pioneer ever made? This thread has got me worried my timer is going to fizzle out. Sounds like I do everything wrong.

I leave it running constantly.

It sits on top of my amp inside a cabinet.

I unplug it every time there is a thunderstorm.

I have all my gear daisy-chained into each others AC outlets and finally into the timer so I can cut the entire system on with one switch.

So far it keeps perfect time and always has. (knock on wood) I am sure it will be fried out before too long. I got another one of these timers this weekend, but it is a Kenwood (gasp). I don't know if it is messed up or what - but it only tells military time.

Maybe I will put the Pioneer away and ruin the Kenwood first by treating it in the fashion mentioned above.

siamac · Nov 7, 2006

I have one DT-400 and had three JT-215A.

One JT-215A is not working and another one was very loud, so I sold it.

Artie · Nov 7, 2006

herbman1975 said:
I have all my gear daisy-chained into each others AC outlets and finally into the timer so I can cut the entire system on with one switch.

I would be very careful about that. You almost certainly have exceeded the max power rating of the timers outlet. Add up all the wattage ratings off the back of each unit and compare it to what it says on the back of the timer. (Under the max-out rating.)

Dr. Strangelove · Nov 7, 2006

It cannot find it, but I posted once before on how I organized my timers and gear to insure that I was not exceeding rated capacity. So, here it is again:

Code:

Rack	Device		Watts	Max	
Left	DT-500		6	500	
	SA-9800		280		
	RG-2		10		
	SG-9800		25		
	SD-1100		25		
			346	69.20%	Capacity

Right	DT-500		6	500	
	RT-909		166		
	PL-600		22		
	TX-9800		28		
	P-D70		38		
	CT-F1250	59		
	U-24		0		
			319	63.80%	Capacity

Doc

Loz-Pioneer-Nut · Nov 7, 2006

I bought a DT-510 when they first came out - its still running perfectly now. I also have a DT-500 and that`s still sound as a pound too!!!!!!!

Strawman · Nov 7, 2006

They're also useful to save wear and tear on the power switch on the amp or receiver. A few of them are prone to failure. :scratch2:

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