Teac A7300RX - Different circuits from service manual, any ideas why ?

Hi,

I'm almost done recaping this nice machine with Elna Silmic II caps, however I realized that three boards differ from what is shown in the service manual.
The two Line boards (both same) have more resistors and capacitors.
Same with the Mic board.
Do I have an early or late unit ? If so, is there an updated or corresponding service info ?
I find such differences quite surprising. Usually it's a matter of a small mod, but here it's more than that.

I'm using the service manual from Elektrotanya.


Thanks,

David
 
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