USC2 - narrowing list of suspects for selection problems

[danno]

Sorry for any confusion - I only questioned the DES traces because:
(1) The Re-set/Re-select light still happened after adjusting the main switch, and
(2) the traces on the PCBs in the jukebox are different from what I've been used to as a post-1988 computer

tech, so I didn't know what is 'normal' with gold-flashed stuff.

Also, I don't think anything with the read-out process would be involved at that point (input & verification

of the selection number).

Anyway, I went straight to the detent switch, as that is one of the few switches I hadn't yet

investigated while working on the USC2 (and, I had already been over RCA connectors, tormat

rivets, etc). I've had some dirty switches I've had to clean in the jukebox before (like 5M1/5m2

last month, as the "1" and "2" lights wouldn't come on for selection playing). But, I found the detent

switch was particularly filthy:

photos.app.goo.gl/4jadwPTXuhJFU82Y8

photos.app.goo.gl/HSfwJzNZtPqYKWPD9

I cleaned it by spraying plastic-safe contact cleaner on a small piece of heavy (65 lb.) cardstock, which

I also use for my title strips, and moving the paper back and forth gently while holding the switch contact

gently/firmly closed (have had consistent good luck with that method so far). Then, I ran through the same group

of test selections listed in my original post, including "B" sides now, and also entering 1 or 2 selections while

one was playing to further test the memory function.

Every single selection played correctly, with no Re-set/Re-select errors!!!

jukenorman, e093116, tonyj

I can't express the feeling of bliss I had after every record played as expected. And, I appreciate
your patience and constructive suggestions that helped me get there. I noticed an option in the forum to
send a "gift", which I'd like to do as a heartfelt gesture of thanks. But, instead of purchasing a
badge, I'd like to give you some $$ to buy yourself a deluxe cup of coffee, or whatever beverage-of-choice
you prefer. Please feel free to send me a PayPal ID (private msg) if you have one...it would be my pleasure.

Thanks again!!

[e093116]

Danno, glad you got it sorted.

Thanks for the offer, but no need, put the money towards a new-to-you 45 instead!

Bill

[jukenorman]

Great idea Bill, a memorial 45! What about "Let The Jukebox Keep On Playing"?

Norman.

[danno]

Well, I really do appreciate your help.

There is one last spot left to fill - 179/279 - whatever record goes in there, I'll think of you guys when it plays!