CFD-V15, CFD-V24 - Sony Audio Service Manual (repair manual). Page 9

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• Repeat the procedures in each adjustment several times, and the

frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.

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AM IF ADJUSTMENT

Adjust for a maximum reading on level meter.

T2

455kHz

AM FREQUENCY COVERAGE  ADJUSTMENT

Adjust for a maximum reading on level meter.

L4

520kHz

[516kHz]

((516kHz))

CT4

1,780kHz

<1,680kHz>

<<1,680kHz>>

[1,630kHz]

((1,630kHz))

AM TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter.

L3

620kHz

CT3

1,400kHz

FM IF ALIGNMENT

Adjust for a maximum reading on level meter.

T1

10.7MHz

FM FREQUENCY COVERAGE  ADJUSTMENT

Adjust for a maximum reading on level meter.

L2

86.5MHz

<87.0MHz>

<<64.0MHz>>

[87.35MHz] ((87.35MHz))

CT2

109.5MHz

<108.3MHz>

[108.25MHz]

((107.8MHz))

FM TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter.

L1

86.5MHz

<87.0MHz>

<<68.0MHz>>

[87.35MHz] ((87.35MHz))

CT1

109.5MHz

<102MHz>

[108.25MHz]

((107.8MHz))

Adjustment Location : Main board (See page 10)

1. Connect the frequency counter to 4 and 7 pin of  IC 1 as

shown the figure below.

2. Turn the set to 98MHz.
3. Adjust RV1 for 76kHz±500Hz reading frequency counter.

[ MAIN BOARD] (Conductor side)

Adjustment Location : Main board (See page 10)

1. Set the function switch to power off.
2. Set the function switch to CD while

≠ key and p key pressing.
The set is into CD test mode (

88 is displayed).

3. Turn the power off to release test mode.

FM  RF signal
generator

Carrier frequency : 98MHz 
Modulation : No modulation
Output level : 1.38mV (–55dB)

set

telescopic

antenna

terminal

0.01

µ

F

30

16

1

4

15

7

IC 1

R6

C15

C14

frequency counter

33k

Ω

1

µ

F