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FDP Forum / Amp Mods, Repairs, and Projects / Schematic question

gtto

Thailand

Oct 5th, 2016 03:04 AM   Edit   Profile   Print Topic   Search Topic

I am trying to educate myself in reading schematics and learning to diagnose problems but having a little trouble. I am looking at a Fender Supersonic 60 schematic and don't understand what the small black triangles marked with either w, x, y, and z are. Can someone clarify this? Also there many places marked "wp". What is this? Thanks.

Bubbalou
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USA

THE LOW END OF UPPER TEJAS
Oct 5th, 2016 06:00 AM   Edit   Profile   Print Topic   Search Topic

All the same letters electrically connect to each other. Just makes the schematic less messy and easier for follow

amphead4
Contributing Member
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Cincinnati, USA

Oct 5th, 2016 08:53 AM   Edit   Profile   Print Topic   Search Topic

If you want to learn to diagnose problems in tube amps, find Jack Darr's book online and study until comprehension.

Peegoo
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Eat. Sleep. Guitar.

Repeat
Oct 9th, 2016 11:08 AM   Edit   Profile   Print Topic   Search Topic

"wp?"

Do you mean "WJ?" That's a jumper wire (Wire Jumper). Example: WJ23 connects directly to the other point in the schematic marked WJ23.

Or do you mean "TP?" That's a Test Point. That's added to the schematic to help troubleshoot the circuit. Look at the Test Point table and it will show proper voltage for every TP on the schematic. You use a meter to check voltages and compare them with the specs on the TP table.

Stratopastor

Stockton-on-Tees

all your tone are belong to us
Oct 10th, 2016 02:24 PM   Edit   Profile   Print Topic   Search Topic

those x,y,z points are just ways of simplfying the diagram. They indicate connections to the different sections of the DC power supply. To draw the lines all the way to the correct places in the audio circuit would make the diagram look very messy, with lines crossing each other on paper but not connecting electrically.

FDP Forum / Amp Mods, Repairs, and Projects / Schematic question




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