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Bastl Instruments Spa Assembly Manual page 5

Grandpa expander v1.1

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Unscrew the spacer on top and disconnect the two boards. Next place the four ​ p otentiometers ​ ( B100k)
 
 
   
to their respected places on the top board. Push them well until they sit absolutely flat on the board.
 
 
 
Then place the  ​ m ono jacks​   and the  ​ s witch ​ o n the board. ​   Don't solder anything yet​ .  
 
 
Place the ​ s pacer ​ b ack in the opening. Take the ​ f ront panel, screw ​ a nd mount it with the board. Check
 
 
 
that all the components came through. Secure the jacks to the panel with the ​ w ashers ​ a nd the ​ n uts
 
 
 
(keep in mind not to tighten the jack nuts too much as you may damage the panel!). 
 
 
 
 
 
To ensure that the headers are properly aligned, screw the  ​ h ex 
screw ​ a nd the  ​ 1 1 mm spacer​   (nut ­ nut) on bottom board. Place 
the  ​ f emale headers on bottom board with the male pins 
inserted​ .   ​ C onnect the boards together​   and mount them with the 
other spacer ( ​ 1 0 mm​   one, screw ­ nut). Now you can  ​ s older the 
headers​   on both boards. 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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