Sony HMK-70 - Page 9

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HMK-70
FM Signal Generator Setting:
Carrier frequency: Specified center frequency of ceramic filter. (See page 8)
Output level >: 60dB (1,000nV)
;
Step Modulation Procedure
1 FM 400 Hz Tune HMK-70 to SG signal.
75 kHz deviation (100%)
eae
Oscilloscope
Adjust
AM 400 Hz 30%
FM 400 Hz
75 kHz deviation (100 %)
ease esa
primary side (brown)
secondary side (green) —
Fig. 3-4. | Adjustment parts location