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Roland - AP-7 Jet Phaser  [schematic]

PostPosted: 17 Sep 2007, 08:47
by modman
Aharon contributed this PDF from the service manual containing pcb layouts, block diagram and construction notes.

Roland AP-7 Phaser service notes

thanks so much for sharing!

PostPosted: 19 Sep 2007, 20:55
by Aharon
Welcome !!!

Maybe somebody can figure out the off board wiring,I couldn't.....
Aharon :oops:

PostPosted: 04 Dec 2007, 22:17
by analogguru
OK, Aharon: you want to figure out the offboard-wiring ?

Have a look here, but: caution that you donĀ“t get nuts, from the highres guts:

http://img148.imageshack.us/img148/9421/jp1dm9.jpg
http://img148.imageshack.us/img148/579/jp2on7.jpg
http://img520.imageshack.us/img520/6397/ph3ui2.jpg
http://img520.imageshack.us/img520/5964/ph9fw5.jpg
http://img504.imageshack.us/img504/2210/ph10lc4.jpg

Could you smell the vintage electronic ? :wink:

analogguru

PostPosted: 05 Dec 2007, 04:30
by Aharon
Thanks for those shots analogguru!!!!!!
Snifffffffffff........yes I can smell the old electronics.........ahhhhhhh......
Thanks
Aharon

PostPosted: 09 Dec 2007, 21:25
by MrHuge
Wow! how things travel on the net... That looks suspiciously like the copy of the AP7 schematic I scanned! Cool...

Here are more...

http://www.aronnelson.com/gallery/v/MrHuge/album102/

-Mr. Huge

Re: Roland - AP-7 Phaser

PostPosted: 09 Jul 2008, 14:11
by Stompmodder
modman wrote:Aharon contributed this PDF from the service manual containing pcb layouts, block diagram and construction notes.

Roland AP-7 Phaser service notes

thanks so much for sharing!



Just wondering if someone have the schematic of this pedal. Thanks

Re: Roland - AP-7 Phaser

PostPosted: 09 Jul 2008, 15:16
by IggY
Just read this thread one more time to stop wondering.

Re: Roland - AP-7 Phaser

PostPosted: 09 Jul 2008, 16:03
by Bernardduur
Can someone tell me why this unit sounds so good on bass? I've tried (too much) phasers on bass but this was the only one that stood up my abuse / thoughts on how one should sound on bass.

Great unit btw!

Re: Roland - AP-7 Phaser

PostPosted: 09 Jul 2008, 18:50
by Bernardduur
I was looking into this subject now for a long time; need to build one for my bass use (as does Larry Graham)

There are 4 JET settings, 2 non jet setting and a fast / slow setting on which only the slow speed can be set by a potmeter

1 and 3 JET give shallow modulation (depth is determined by point 10 / 12)
2 and 4 JET give a deep modulation

Difference between 1-2 and 3-4 are the JET EQ; one has mids, one lacks it.

5 and 6 are just shallow and deep modulation without the JET

You can make these changes more easily switchable with individual switches.

Re: Roland - AP-7 Phaser

PostPosted: 10 Jul 2008, 00:39
by littleBloona
Bernardduur wrote:Can someone tell me why this unit sounds so good on bass? I've tried (too much) phasers on bass but this was the only one that stood up my abuse / thoughts on how one should sound on bass.

Great unit btw!


What a difference two diodes can make :arrow:

Re: Roland - AP-7 Phaser

PostPosted: 10 Jul 2008, 12:49
by chicago_mike
I get a 4040 error when trying to see the gut shots..can some one pm them to me or email me the gut shots?

Or are they uploaded elsewhere?

Re: Roland - AP-7 Phaser

PostPosted: 25 Jul 2008, 10:33
by lynessmy
I have the TRACE side...downloaded from somewhere...but no component side.....

Re: Roland - AP-7 Phaser

PostPosted: 29 Jul 2008, 05:41
by chicago_mike
Ill take it. :) Im itchin to clone this thing. Larry Graham uses this to great effect. 8)

Re: Roland - AP-7 Phaser

PostPosted: 29 Jul 2008, 07:37
by analogguru
chicago_mike wrote:Ill take it. :) Im itchin to clone this thing. Larry Graham uses this to great effect. 8)

Are you really that greedy, man ? :wink:
Ok, here you go for the track side..... and as a "bonus track" you will get the component side too, taken by ebay user "coastal.a.a".

analogguru

Re: Roland - AP-7 Phaser

PostPosted: 14 Mar 2009, 13:03
by NoGlory
Does somebody maybe have a PCB layout? I'm going to clone this thingy, but the less the work, the better :applause:

Re: Roland - AP-7 Phaser

PostPosted: 13 Apr 2009, 04:27
by lynessmy
NoGlory wrote:Does somebody maybe have a PCB layout? I'm going to clone this thingy, but the less the work, the better :applause:


This is all i have. NO layout.
Let me know if you manage to work this out.

Again, this is downloaded from somewhere which i couldn't recall now. If anyone know where is the origin, give him a credit.

Image

Re: Roland - AP-7 Phaser

PostPosted: 15 Apr 2009, 18:34
by chicago_mike
Hey....

What size do I need to alter this too, so it doesn't print out a full page sized pcb? I hope to get this etched today. :)

Re: Roland - AP-7 Phaser

PostPosted: 19 Apr 2009, 16:17
by lynessmy
use the width of the DIL IC....the distance between 2 rows is 7.5mm. Scale it....

Re: Roland - AP-7 Phaser

PostPosted: 27 Oct 2009, 03:05
by chicago_mike
Okay i printed this out but it came out all fuzzy..I forgot its at 72dpi resolution...TERRIBLE.


So I resized the image to 5.5inches..letf the constrain portions on, 5.5 inches mind you. ANd set resolution to 1200 dpi.

I think I did the resolution first though. Did a little cleaning up with levels (photoshop again)

now I think it should print nice and clear. Still at 1200 dpi though normal 8.5x11 is 300 dpi. So just a little more adjusting and we have ourselves a rpintable pcb of the jetphase.

Now there IS a second board but I think thats for the speed control, and just a few components I can do on a breadboard, or vero or whatever. :)

next step is to be able to print 2 on a sheet of photopaper..or some cheap glossy paper that will still dosolve in water. I want to try to find a mixture of something that will help disolve the paper but leave the toner....

Re: Roland - AP-7 Phaser

PostPosted: 30 Oct 2009, 10:01
by lynessmy
Hi...chicago_mike....i was a noob at the resolution thingy.
Appreciated if you have some guide or any link to share to get thru that, especially how to play with PHOTOSHOP for RESOLUTION and SIZE.
TQ