Sharp GF-320A, Service Manual

Page: 6 / 20

AM ADJUSTMENT
T e s t .
POSITION
AM
SIGNAL
Hz, 30%. AM modulated
GENERATOR
TEST
DIAL
STEP STAGE
P O I N T E R
REMARKS
S E T T I N G
1 IF 455 High Adjust for
frequency best “IF”
2 510 Lowest
Band frequency Adjust for
coverage
maximal
3 1,650 Highest TC8 output.
frequency
Repeat steps 2 and 3 until no further improvement can
Figure 1 AM IF
455
Figure 2 AM IF CURVE
Signal
Generator
Test
Loop
Bar Antenna
Figure 6-3 AM RF
Figure 4 ADJUSTMENT POINTS