Heathkit AP-1800 Preamp -

[my1973form]

Hi all, I know this is an old link, but if someone still has a copy of the AP1800 manual available, I would very much appreciate a copy.... my unit has a problem and a manual would make it much easier to troubleshoot.... Thanks
Rick

 

[Doug G.]

You should be able to find a manual from an online supplier.

Doug

 

[my1973form]

Doug, I was hoping to avoid a fee, I did find a schematic some of the power supply section is cut off and incomplete, also hoping for the troubleshooting and build manual.

 

[grey]

Doug, I was hoping to avoid a fee, I did find a schematic some of the power supply section is cut off and incomplete, also hoping for the troubleshooting and build manual.

I've owned the entire series of this gear and only found schematics for all of it. I have the same schematic where it's cut off through the bridge rectifiers.

I have this link in my notes, but confirm what you will receive if you do order one.
MANUALMAN.COM: Manualman Online

Good luck with your project!

 

[my1973form]

Thanks Grey, I just figured out that I had cold solder joints to the filters switch/s, here is output ~1.5Vp-p

 

[grey]

Thanks Grey, I just figured out that I had cold solder joints to the filters switch/s, here is output ~1.5Vp-p

Sweet! Some of the gear was kit assembled with issues. The first thing I did was poke around with a chopstick and fix all of the cold joints

 

[my1973form]

Sweet! Some of the gear was kit assembled with issues. The first thing I did was poke around with a chopstick and fix all of the cold joints

Like minds, that's what I did!