Circuit Adjustment - Sharp GF-320A Service Manual

AM IF/RF ADJUSTMENT
AM
POSITION
SIGNAL
GENERATOR
TEST
STEP STAGE
455 kHz
1 IF
2 510 kliz
Band
3 1,650
Repeat steps 2 and 3 until no further improvement can
DIAL
REMARKS
S E T T I N G MENT
High
Adjust for
frequency best "IF"
Lowest
frequency Adjust for
maximal
Highest TC8 output.
frequency
Figure 6- 4 ADJUSTMENT POINTS
T e s t AM
.
Figure 6- 1 AM IF
455 kHz
Figure 6- 2 AM IF CURVE
Test
Signal
Loop
Generator
Figure 6-3 AM RF
Bar Antenna