Casio ZD-3 Service Manual page 16

FM Alignment (Figures 2 and 3)
Step Alignment
1 Tuning range
calibration
2
1
Adjustment of
tracking
2
3
FM SG
FM dummy load
R1=Output impedance
R2=75 Ω - R1/2 Ω
Frequency Tuning
of FM signal
generator setting
88 MHz
108 MHz
90 MHz
106 MHz
Repeat the above adjustments.
Set
FM ANT
R2
R1
of FM SG
Figure 2
14
dial
Adjustment
Low End
L3
High End
FM-OSC
90 MHz L4
106 MHz FM-RF
J301
Headphone jack
GND
GND
Dummy
load
32 Ω
Remarks
Obtain sine-wave and
maximum amplitude.
Max.
Output meter Oscilloscope
4754-022-0