Advertisement
Test – Connect a speaker or headphones to the "SPKR" jack. Apply power to the board. Touch
the pad on the minus end of tantalum capacitor C30 or the lower pad for L10. The hum volume
should be louder than it was before this stage was added.
Your Measurements/Observations - ______________________________________________
____________________________________________________________________________
Receive Local Oscillator (RxLO)
[ ]
Install inductors L4 and L7.
[ ]
Install trimmer capacitor TC9. The rounded end is the grounded end.
[ ]
Install transistor Q11.
[ ]
Install resistors R26, R27, R28, R69, R70 and R71.
[ ]
Install capacitors C15, C32, C33, C67, C68 and C69.
[ ]
Install crystal X5; it will be one of two marked LO or XX. Place a spacer (made from brown
- Figure 8 -
10
Advertisement
