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Gary #1 I would Visually check everything - Solder Joints and Components (I do not do it generally, but zoom in my eyes on a single connection) I do this all the time, than again, it easy to miss something somewhere. Also when cleaning I inspect solder joint and for missed solder components and...

Joe Can you Please post some pic of them 400II and 700II. Are they the same as Original?

Was thinking the same, would check all the jumper from the Lt side board to the Rt side and double check w Joe's documentation also the jumper have to have the clear tube over it. or missing jumpers Visual Check #1 - all components for the correct orientation and polarity . Diodes, Cap's ...

When I restored my Pioneer CT-900 w New transistors and Capacitors. It sounded Amazing, Of all my Restore so far this made the biggest improvement. (Tape desks have a lot of Capacitors and a lot of work) Also working on some Pioneer SX-x50 SX-xx50, I think the new standard is to restored all...

looks Good Gene! I'm glad you found a cool solution. :)

Thanks I will have to check my spelling Lol or never post Lol

all have old pots every were, in the motor and the boards and most of them are 1-turn and are hard to adjust

Getting the wow and flutter down

Vince, Thanks I will have to look at all the capacitors in the Auide path than See were the 22uf are in the drawings. Because it's the MB it takes a lot zooming in but I will look at it. Nakdoc Thanks I will have to get back to this. I will try that some of them tricks. The spike seem to be...

I finding that restoring Cassette Decks are very time consuming and also take up a lot of room. replacing the belts and getting it back running is easier to do but restoring as I'm founding out is a lot of detailed working and Precision work and detail for looking at each part as a individual...

I'm having the same problem, have you tried the scope setting in XY mode? which shows a 2 45 degree lines Right now I'm working on getting the wow and flutter down first and started out about .22 and had spikes every now and than , now I got it to about .05 , .045 (w software reading the din ave...

Will that work for the 400II?

Looks Good and it appears you have perfect timing. I might move the ac fuse over and it will give me more room Maybe a good time to try George's straw or heat shrink Bolt transformer isolator?

Welcome! to the forum! :) Steve

That's a Good Idea, looks a lot easier than the 400 II but I would not put the original outlet back in. but w the 400II w your idea I think I would just move the ac fuse holder over and have more room for the socket I also was think of just adding a cord sticking out w a IEC handing out. but It...

I currently been working on one of my Pioneer Ct-F900 and I also have some Ct-F950's and a long time ago I had it repaired and the repair shop put in the wrong Motor and I had no glue he did it and it worked but not very good. than CD's came out so I put it away. last year when Cassettes...

I never thought a IEC socket would fit a 400 or 700, looks like a tight fit and no room for error but you got it to work good job.

Thanks Joe I like the charts, never really understand the circuit (Never like the Sw and I never thought it was Audio grade) see pic What's the advances of the low pass capacitor filter can, is it also a dc coupler to the inputs? I have my 400II wired like this and thinking the same w the 700 II...

Imo , W the 700II and 400II you might hear a different if the POT are not turned all the way up. Ed said that their is distortion if the Pots are not turned up all the way. I always had them turned up and I love the look of them. also, what kind of cables you use can to the pots can make a huge...

I would just work w just one channel either the left or right. if one does not work , than pull them out and try the other channel. (w different Transistors) you should be able to get one channel to work. and maybe find a bad transistor or identify a the bad socket. Double check - like...