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These Connectors Are Not Populated 
The connectors listed here are not populated. In a later step, you will wire directly to the 
PC board. 
1.  TB5 and TB6 are inputs that can be used if you buy the phono preamp option 
card. 
2.  TB7 and TB8 will be wired to the front panel input connector at a later step 
3.  TB9 and TB10 will be wired to the input of the tone/volume board in a later step. 
4.  TB11 and TB12 will be wired to the output of the tone volume board in a later 
step 
5.  TB13 will be wired to plus and minus 12 Volt power and ground in a later step. 
6.  P3 is neither populated nor used at this time. 
 
Figure 32-Assembled Input Selector board