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Differences noted for right channel of course, those cross board jumpers now make perfect sense, how elegant.

Transferring wiring notes to output diagram. Will need to verify multiple transistor ties while attaching new wires of course.

Think I need better close em up cheaters :)

Like this?

How are they numbered on the drawing compared to the schematic?

Perfect wow ty sir.

Also think I need to change out the original wires for WOPL wires so the hooking up of the board goes without any magic smoke production once I get the output sockets identified.

I am starting to understand why folks do the full WOPL upgrade. That backplane is unreal, yuck. Anyways for now will carry on. Fixed the wiring as detailed above. Now ready to install new control board and darned if I can find anywhere on the schematics how those output sockets are numbered. So...

Excellent excellent Tyty sir will do.

And somehow a piece of yellow masking tape is rudely posing on the speaker relay board and will be removed immediately.

Time for a wiring check - - - Left cap + is up White wire on + connector end of buss bar goes to speaker relay pin 6 Two white wires on buss bar with green mark go to relay board ground position 2 and 4 Relay board position 1 left speaker white output wire from backplane Relay board position...

Funny how I have acquired boxes and boxes of spare Sansui parts over the last twenty years or so. Guess it does help to specialize in one manufacturer's designs

Yes sir those are either aluminum or mild steel. Forgot I had a couple that were oem straps on Sansui F-2980 temp bias transistors mounted to the pre driver heatsinks so was able to use those with the new transistors

Think this is the last of the preparation work. Finished up the temp compensating transistor assembly. time to remove the old control board and wire up the new one unless members remind me of something I missed. Red=E Black= B Green = C Leads intentionally left long till I get things all in...

Was researching Speed Queen. Looks like service manuals and parts might land me back in the oem only debate. Oh yeah, new pump works just fine.

Ouch to the wringer pictures. Agree with you Chris other than feeling the oem's are working too hard to keep any support in house at the purchaser's expense, both time and cost.

To that point, a neighbor invested a sizeable sum into a new green agricultural field preparation device complete with full air cruise tilt 125hp 4wd and a chart full of other 'extra's to replace a similar output unit he had had for forty years. What I find intolerable is the fact that every...

Grandparents had one, woe betide any child caught playing with the wringer. Grandma used to hook the drain hose over the edge of the sink to get most of the water out, then finish emptying the tub into a bucket. Those were the days. remember her scrubbing grandpa's work pants on the board too, a...

Great post sir. Don't even get me started on Samsung appliances, lets just say me and my Samsung refrigerator now have such a close relationship and constant undressing of covers that the lady of the house is getting suspicious :) Btw the washing machine was a GE so parts were not an issue at...

Darned planned obsolescence anyways. Our relatively new washing machine stopped draining the water. Forget a service call $$$. Thank goodness we have all those years of bench work under our belts. What at least I do not have in great supply anymore is the ability to crawl under the machine on...