Zenith Console combo

[DaveWM]

finally hooked up the variac to the tuner, nothing, smoked fuse, hooked up, nothing, was in phono mode, finally got the AC line to show about 8 ohms, so started dialing up the variac, instant 2 amps before I got to 10volts.

I assume the primary is ok since I get the 8 ohms, so my guess is a shorted filter cap, prob what took out the fuse back when ever it was last tried. At least the fuse was not a standard auto glass type the some fool would have put a 20amp in place.

I will pull the tuner chassis later and see what the deal is.

last week a picked up a perfect tuner, the exact same model off ebay, I was thinking ahead, looks like it will pay off.

[ctc17]

Originally Posted by DaveWM

finally got the AC line to show about 8 ohms, so started dialing up the variac, instant 2 amps before I got to 10volts.

:beat nik:: rockon:

[DaveWM]

swapped the ebay stereo tuner, sounds good in the TV. Got the old one on the bench hooked up, not sure what the deal was but no short now.

couple problems, the on off switch is a SPDT with one side open, jumped past that, checked the output caps (cap coupled speakers), hooked up some test speakers. one channel is ok but has some hiss (leaky transistor) the other channel is hiss and bad garbled (guess is a coupling cap). I will get the scope out later and trace the signal which is prob the fastest way to find the issue.