CFD-V27 - Sony Audio Service Manual (repair manual). Page 12

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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 Signal generator
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
75,800 – 76,200 Hz
Frequency counter
0.01
µ
F
+
33k 
IC1 Pin 
4
IC1 Pin 
7
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