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Testing between TP1 and Pad 9 shows 151 Ω as it should. I don't see a 10 Ω resistor like in the original PL backplane. I'll try warming it up and retest, thanks for the ideas. Ω

Same parts I found "browned" on the PL36 board I just replaced with a WOPL board. I replaced the parts, but they still heated up to an unacceptable level. Keep track of the orientation of the Diodes. I seem to remember having a question about that with the PL schematic vs what I found installed...

Going back and forth between the test points with a single multimeter gives me the results I listed. I used both a cheapo meter, an Ames DM1010, and for fun, the Triplett 630.

Yup, full boat. led board, backplane, filter caps, rectifier, output relay, yada yada,, :)

Amp 1, the one I stupidly allowed the left meter to touch the buss bar, is finally back up and running properly, mostly. By mostly, I mean the only issue I have is the left channel bias adjustment only has a range of .21 to .33, the right channel has a range of .22 to .43 or so. I matched both...

5 down, one to go. Thankful for the help from everyone !

Nah, I set my upper limit and was aced on everything.. grrrr. Oh well, It was an amazing bunch of stuff, and with the dust and dirt on the gear, it was difficult to tell exactly what condition the stuff was in.

Ah! Now I know who outbid me on the Port Orchard auction! LOL

I found a TS100 soldering iron does everything I need. I swap out a pointed and flat tip depending on the job. Takes about 10 seconds. I also use Kester 44 .031 solder, and Kester 959 soldering flux. It takes less than 10' of solder to complete a wopl. A 3oz bottle of flux may last a lifetime...

Hi Joe, pleased to report the amp operates perfectly. And odd note, when I first fired it up with music at about 85db, I had a "ghost signal" showing on the right LED meter together with some mild clipping. After about a minute, it went away, and has not returned. I should get a scope some day...

Phase Linear Autocorrelator Model 1000 Series Two

Hi Joe, sorry I had to take a break for other things, and I just finished buttoning it up. Onward to real speaker testing. No fires or booms so far! Thanks so much for the guidance.

"Non tutti i motivi sono uguali" I swear that is from the Benelli service guide!

"Not all grounds are created equal" Boy, that sounds like you have been hanging out in my shop working on Italian Motorcycle wiring! Thanks for the tips boss. I really appreciate it.

One last question. Can i run r2 and l2 from the copper bar, rather than all the way back to the pots, since pot post 3 (ground) already runs to the copper bar?

Alrighty then! rolling up my sleeves and going in. lol

Should I be running a new wire between the copper plate and the bus, or will the inputs get their ground through 2l and 2r connections?

Wow, I'm not worthy! That fixed the output voltage and output relay issue. Output voltage is pretty much zero. thankyou thankyou. Now my ears are open with the input arrangement.

Here ya go. LMK if you need other views, thanks!

will do,thx!