Lionel CW-80 - problem

Well, before reading this thread I was going to try and replace the power cord that was chewed up by a pet. However,  I think I will just purchase a Z750, or 1000.

JoeG

Robert

So glad Lionel stepped up.

I have two of the CW 80 one I replaced the fan and triacs on and it runs great. the second ran great until a caboose collector roller short to the out rail the track power has not restored since but the fuse link is not blown i’m afraid the processor is blown with so many troubles these have had a supplier could make a fortune if the main boards could be re produced and sold to fix these. i’ll replace the triacs but doubt that is the problem I get voltage to the track but it all stops soon as any power demanding car goes on track anyone have any ideas on a fix or is it now a desk ornament?

Is the primary a continuous winding measured with an ohm meter?

From Dale M's Train Facts

"The transformer is protected by an internal fuse embedded in the primary winding, connected in series with the primary winding."

http://www.trainfacts.com/trainfacts/?p=34

I think the CW 80 I have has a blown fuse all internal fuses are good or I would not get voltage on the track binding post but it shuts down with any powered cars placed on the track

If you have it open, it's simple to test.  See if the transformer secondary can support a decent load, say a really large 5 to 10 ohm resistor and still supply voltage.  If so, then you have an issue with the electronics.

Oh well John, looks like I won’t get lucky twice. I powered up the same caboose that shut down the track voltage on this CW 80 by powering it direct to the transformer to bypass the control board and it remained powered up ok. my guess is a scrambled IC chip and don’t have that just a bunch of triacs for this same transformer the last one of these I worked on runs great!

This could still be a good source of 18vac for a lock on.

http://www.lionel.com/products...rect-lock-on-6-14178

It's actually more likely to be the logic circuits that trip the relay, and those should be repairable.

I totally agree John. I think it’s a logic circuit or main chip. I can solder/de solder components on a PCB I would just have to know the component location on the board

It should be pretty easy to find most of the components, there's only on LM324, and one transistor.  By tracing from the major parts, you can identify most components.

thanks for the print it should be easy to identify what should be replaced it would be a whole lot better if lionel sold the board separately but I don’t think we’ll ever see that happen!

Well, the triangle screws were supposed to keep you out, that way you wouldn't need just the board.

yep, I know but I got around that awhile ago for a low cost I bought the T27 bit that works perfect and on the last CW I only snugged the screws just enough to hold the case solid and greased the screws

this makes me think John; if I found a LM324 AM would it not have to be programmed for the correct CW 80 parameters the one in this unit is in a socket so it’s simple to remove