KA5700 fails DBT

Measure across the emitter resistors (.33ohm/3W) Rm81 & 83 for the left channel and Rm82 & 84 for the right channel. See the service manual p9, bottom left corner diagram "Measurement of Bias Current". If you look closely at the diagram you'll see they even converted mA to Mv.

More info here on the mA and mV thing - they told me there would be no math!

Good job by the way on getting it up and running!
 
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Thanks gort. I looked at the schematic and looks like pins 7,8 for the right channel and pins 9,10 for the left should measure the voltage across the one of the emitter resistors.

Nice that Kenwood created these test points.

I did hook it up to my test speakers and pots and switches are nice. It sounds great.

My first Kenwood KA so kind of fun bringing it back from the dead.
 
Here is the pic of what gort was talking about on the SM. Not sure how I missed this. I thought it was regarding the meter adjustment.
upload_2018-10-9_8-48-58.png
 
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