May 2016 - TechToolsList - listserv.classicarcade.com

Quarter Arcade
by William Stillwell 30 Jul '16

30 Jul '16

Looks like it went bye bye :( Now it's a re-direct to some collector site? Anybody have a mirror of it? I can slap up on my server. _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Finished: Fluke 900 RTC fix
by Jess Askey 24 May '16

24 May '16

Just a quick follow-up on what I ended up doing with my dead RTC Dallas DS1216B. As I had mentioned NOS DS1216Bs are available on eBay (currently $25+)... but I wanted to have a replaceable battery for the future. I used the internal IC from the DS1216B (which is simply a DS1215 which has been relabeled). The attached pics show my mod... the green wires are the factory Fluke mods for updated clocking, the Red wires are all mine. The end result... It works! Onwards... Sent from my Verizon, Samsung Galaxy smartphone _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Re: [Techtoolslist] replacing flat cables/connectors
by sprout.the＠gmail.com 19 May '16

19 May '16

> I had a 6502 pod with the flat cable, and successfully replaced it using > a section of flat cable I cut to length, and using the connector noted by > Tony. The only downside is that instead of having the cable come in the > top/middle of the connector, it comes in the side, which makes it a bit > tricky for some applications, but I?ve had zero issues beyond that > otherwise. > > Hi Brent. Thanks for this. Have you ever seen a 64 pin version of these > connectors? Several companies seem to make a 40 pin "dip plug" (as they > seem to be called) but I've had no luck locating a 64 pin version. > > best > > Tony Tony, Nothing I’ve seen - your best solution may be to have a custom PCB made, and then wire it up manually with the cable of your choice. If you’ve got an old connector you can examine to verify how any pins may be tied together, you could accomplish the same on such a PCB I’d expect. Regards, Brent _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Re: [Techtoolslist] replacing flat cables/connectors
by Tony Jones 18 May '16

18 May '16

On May 18, 2016 5:16 AM, <sprout.the(a)gmail.com> wrote: > I had a 6502 pod with the flat cable, and successfully replaced it using a section of flat cable I cut to length, and using the connector noted by Tony. The only downside is that instead of having the cable come in the top/middle of the connector, it comes in the side, which makes it a bit tricky for some applications, but I’ve had zero issues beyond that otherwise. Hi Brent. Thanks for this. Have you ever seen a 64 pin version of these connectors? Several companies seem to make a 40 pin "dip plug" (as they seem to be called) but I've had no luck locating a 64 pin version. best Tony _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Sunday Projects II: Replacing a DS1216B RealTimeClock?
by Jess Askey 18 May '16

18 May '16

Heya.... It has been a busy day for me... one more posting before Game of Thrones comes on..... I have a DS1216B 'SmartWatch' by Dallas/Maxim in my Fluke 900.... These are little real-time-clock IC's with embedded in double height potted 28-DIP that sits under your RAM. In this case, the battery is in the potted bottom part of the socket and is now officially dead, rendering the IC useless for keeping time. Here is a pic of one for reference.. http://sg.rs-online.com/largeimages/R0133242-06.jpg So, I have found a few options and Im curious if any of you have gone down this path before on this device or on others? (SG motherboards have a similar chip, Bally gambling machines, Apple IIE/C, etc)... Option #1: Buy an NOS DS1216B from Ebay... they are pretty cheap.... $15, but they have date codes from the late 80's.... likelihood of the battery being solid.... Poor. Option #2: Look at this cool thing that the Apple collectors made.. https://www.ultimateapple2.com/catalogzen154/index.php?main_page=product_in… . More expensive $45, but has a small replaceable battery Option #3: Hack into mine and try and put a larger (and longer life 3.6V Lithium battery on it). Cheap, but hacky.... Mounting a battery clip to my PCB with epoxy or double sided tape sounds problematic (maybe) Option #4: anyone else know of more options? Right now Im leaning towards #2 or #3, It doesn't matter if I destroy mine, it is already dead and I have it off the device motherboard now too. #3 would be good if I could secure the battery decently on my motherboard (it will be hanging upside down too, so the double sided tape definitely is not a good idea. _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Sunday Project: Fluke 9010A Probe
by Jess Askey 17 May '16

17 May '16

(I sent this on Sunday originally, but I think it didn't come through because I sent it from my non-subscribed email address, apologies if you got it twice) Hey Folks... I thought I would share my Sunday project. I did cheat and pre-order all my parts for today(minus a couple things I wasn't aware of, more details below). Since the Fluke 9010A probes are hard to come by these days, I figured I would make one... I bought the following.. Pictures are here... http://www.askey.org/fluke_probe/ - 15' DB9 Male to Male Serial Cable (I can cut this in two and make two probes I figure) - $5, free shipping - Old WaveTek slim Logic Probe (I had one, but I bought another one of these off ebay for $10) - Some old RadShack perf boards that I had laying around - About 4 hours of time Then I did the following... (see pics above) 1. Cut the perf board down to 5 rows wide, drilled the mounting holes. Make sure you have a nice row down the middle for the LED's to line up properly (centered) 2. The break-away seam in the 'double' perf board was unfortunately right in the middle of where the LED's had to go. So if you can get solid perf board, it would probably work better. I had this laying around. 3. Split the Logic Probe, took out the RED and GREEN LED's and the tip off the old Logic Probe PCB 4. Assembled the circuit using page 142 of the 9010A Service Manual a. I had to sub in 1uf caps for the power supply filters (spec was .39uf). If you got smaller caps, they would fit better, I had to lie mine down. b. I didn't have a 205K 1% Metal Film Resistor, I used a 220K 5% CC resistor and I will sub after my next mouser order c. I also didn't have a 33pf cap, I used a 47pf from a scrap Firefox PCB (don't worry, it was in pretty rough shape anyway) d. I added 1.2K resistors on the Cathode side of the LED's since these were driven by transistors to 'maybe lamps??'... the schematic says they are lamps, but I have a hard time believing this. In hindsight, these may not be needed at all. 5. I used an old clip lead for the ground clip out the back too... ironically, both cables seemed to fit pretty nicely out the back of the old Logic Probe case 6. I fashioned a 'strain relief' by looping the nylon cable backer and crimping and epoxying it. I ended up doing it different from the pic as my loop had to be on the very back logic probe screw post, so it had to be much shorter and the yellow crimp was too big for the space. I just looped the nylon and wrapped it tight with a resistor lead, then dipped the whole thing in 5-minute epoxy and let it harden. Seems pretty solid. Seems to work fine... the LED's are definitely dim but usable so I will pull those resistors out or lower them appropriately. Let me know if you have any questions or suggestions... Im going to make another one with lessons learned. :) PS - I cleaned my bench spotless on Friday night after eating a bunch of edible pot (I live in Colorado :) so I can tell you this).... It didn't look right.. but... luckily, after this project, it is now back to looking 'normal'...whew!! _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Need a dump of Atari System 1 - IC 7F - 82S153 PLA Fuse Map please.
by Colin Davies 13 May '16

13 May '16

Hi Can anyone help please ? I need a dump of Atari System 1 - IC 7F - 82S153 PLA Fuse Map so I can work out the logic equations. I'm working on a Repro Syngen IC but my kit can't read the IC. I've done the Prom, now just need the PLA !! Thanks, Colin _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Fluke 900 Digital Troubleshooter questions....
by Jess Askey 11 May '16

11 May '16

Hey Folks... last week I was bidding on a B&K Precision 560 (not A) and missed it.... Ended up going for about $$$$$$550 USD!!!! I quit @ $508. :) By luck I found something 'better'.. the Fluke 900 Digital Troubleshooter (some good docs on the TechtoolList FTP site...thanks!).... I got one on Ebay for a good deal with 'make an offer'... but I need some things.... The first biggie is that the seller didn't have the interface board which plugs into J1 and J2 and is required.... So if anyone has a 'spare' let me know, I know it is a longshot, but it never hurts to ask with this group. :) Also, the PC software doesn't seem to exist anywhere out there, so I'm looking for that and if you have it encourage you to get it up on the TTL FTP site too..... it is a DOS program but I'm very interested in potentially writing an updated UI version to at least load and save libraries and try and eliminate needing lots of 'library cartridges'. Hit me up off list if you have a Fluke 900 and want to conspire!! Thanks Jess _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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68000 pod question
by Tony Jones 05 May '16

05 May '16

Howdy Is there a version 3 or later of the 68000 pod manual? The reason I'm asking is that page 68000-2 of the [9100] Supplemental Pod Information manual refers to sections of the pod manual ("pod-specific setup information"/"pod manual reference") but the section numbers don't match either version of the manual I have access to (v1 from flippers ftp, v2 in printed form). It seems they happily renumbered between revisions rather than appending changes to the end. Page 1-1 of the v2 manual says it's for version 6.0 of the firmware which I thought was the last version. I can figure out the mapping based on names, but was just curious if there is a later version of the manual based on the above inconsistency. Also, specific to the 9100[FT] does anyone know how to obtain the 68000 pod software version. It's not specified in version 1 of the manual, it's "4.36 Software Revision Level - Address F000 0012" in version 2 of the manual. I get "invalid address" when attempting to read/write any of these pod special addresses (outside normal address range). I just fixed my 68000 pod and I'm trying to figure out what software version it has based on info from this thread: http://www.ukvac.com/forum/fluke-68000-pod-repair_topic342750_post888283.ht… My ROM checksums don't match those listed as v2 or v5 but the EPROMS are 24 pin so they don't appear to be version 6.0 (based on later comment in the above thread). Thanks Tony _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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Data I/O Series 22 problem
by vector 01 May '16

01 May '16

I purchased a Series 22.... and now that I've ruined 6 Harris 7641 equivalent PROMs (minimum value about $15)... I've determined what the symptoms are I am seeing. This is a 512 byte PROM. I'm thinking A6 line to the PROM during read is either high or floating, as if you break the 512 byte range into 8 blocks of 64 bytes you should have ABCDEFGH When I read a good source rom in, I use edit and compare it against a known good hex dump, and I'm seeing BBDDFFHH with blocks A, C, E, and G missing. This would seem to idnicate that the A6 line is high during read. Unfortunately my MOD-EMUP which should handle these PROMs 49 times out of 50 (or so it seems) will read any 7641 or compatible as all FFs (which it probably ins't reading anything... and the FFs were part of the EMUP's software clear). I think I read you can read these as a 2732 and the 512 bytes ends up repeated I think in specific positions in the read.... I have to google that again to see if during the writes, the A,C,E,and G blocks are all 0 still like on a blank PROM. I'm going to strip it down to look at the boards... and check first at the socket. If that line is floating will I get this behavior, or only if it is driven high ? Thanks, -- Curt _______________________________________________ Techtoolslist mailing list Techtoolslist(a)flippers.com https://pairlist7.pair.net/mailman/listinfo/techtoolslist FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment Archive site: http://seven.pairlist.net/pipermail/techtoolslist/

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