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Sony CFD-V77S - Page 12

Sony CFD-V77S
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— 12 —
FM VCO Adjustment
Procedure :
1. Connect frequency counter to the positions shown below.
2. Tune the set to 98MHz.
3. Adjust RV1 so that the frequency counter reading becomes
76,000 Hz.
Specification Value :
Adjustment Location : MAIN board (See page 13)
BLACK 10.64MHz
BLUE 10.67MHz
RED 10.70MHz
ORANGE 10.73MHz
WHITE 10.76MHz
0.01
µ
F
FM RF SSG
to FM ANT IN terminal
Carrier frequency : 98MHz
IF frequency : According to
the color of CF1.
Modulation : no modulation
Output level : 0.1V (100dB)
color
mark
CF1
Frequency counter
75,950 – 76,050 Hz
Frequency counte
0.01
µ
F
+
33k
IC1 Pin
4
IC1 Pin
7

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