ICF-C160 - Sony Audio Service Manual (repair manual). Page 6

Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.

(

): Italian model

Adjust for a maximum reading on level meter.

L4

CT4

86.5 MHz (87.35 MHz)

109.5 Hz (108.25 MHz)

Adjust for a maximum reading on level meter.

CT3

Frequency max

Adjust for a maximum reading on level meter.

L2

CT2

520 kHz (516.5 kHz)

1,650 kHz  (1631.5 kHz)

Adjust for a maximum reading on level meter.

L1

CT1

600 kHz

1,400 kHz

Adjust for a maximum reading on level meter.

T1

455 kHz

Confirm that the reading on the frequency counter is 4800 ± 400 Hz.

If frequency is higher, change capacitor value of C27.
If frequency is lower, change resistor value of R8.

• Adjusting Location: RADIO board (Component Side)

T1: AM IF

ADJUSTMENT

CT1: AM TRACKING

ADJUSTMENT

CT4: FM FREQUENCY

COVERAGE
ADJUSTMENT

L2: AM FREQUENCY

COVERAGE
ADJUSTMENT

L1: AM TRACKING

ADJUSTMENT

CT3: FM TRACKING

ADJUSTMENT

L4: FM FREQUENCY

COVERAGE
ADJUSTMENT

CT2: AM FREQUENCY

COVERAGE
ADJUSTMENT

– 6 –

Setting:
BAND switch: FM

Setting:
BAND switch: AM

IC1

+
–

0.01 µF

+
–

AM RF SSG

30% amplitude
modulation by
400 Hz signal
Outlet level: as low as possible

set

speaker terminal

level meter

Put the lead-wire
antenna close to
the set.

± 22.5 kHz frequency
deviation by 400 Hz
signal

FM RF SSG

set

speaker terminal

level meter

FM lead wire antenna terminal

+
–

frequency counter

IC2 pin 

!ª

10 pF