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3

This section is extracted
from instruction manual.

*

v

The display will flash “0:00” when the batteries are
installed or the AC power adaptor is plugged in for
the first time.
The clock can be adjusted when the radio is off.

To stop flashing of the display, press
CLOCK (mb/CLOCK for ICF-M410S).

While holding down CLOCK, turn
TUNE/TIME SET to set the clock to the
current time.

When you turn the control knob a little to 

 or

, the clock digits move forward or back one

by one, and when you turn the control knob
further to 

 or 

, the clock digits move

rapidly.

When you release CLOCK, the clock starts
operating, and “:” starts flashing.

24-hour system : “0:00” = midnight, “12:00” =
noon

4

Follow the disassembly procedure in the numerical order given.

9

Screw (+PTPWH 2

 

×

 8)

1

Screw (+B 3

 

×

 6)

3

Five screws 

     (+BTP 3

 

×

 14)

q;

Two screws (+P 2 

×

 8)

qf

Two screws 

      (+P 2

 

×

 8)

6

Screw (+PTPWH 2.6 

×

 8) 

7

Side panel (L)

qs

Side panel (R)

qd

Arm (jog)

8

JACK board

qg

KEY board

qj

MAIN board

qh

Knob

2

Antenna, telescopic

Cabinet rear

4

Claws

qa

Claws

Remove the Claws

Remove the Claws

Knob (jog)

5

Plate, contact

Cabinet (front) sub assy

5

BAND : MW/SW

• Repeat the procedures in each adjustment several times for the

maximum level meter indication.

• The frequency coverage and tracking adjustments should be finally

done by the trimmer capacitors.

[Adjustment Location : Main board] (Component side)

µ

Ω

AM IF ADJUSTMENT

Adjust for a maximum reading on level meter.

T1

621 kHz

FM TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter.

L17

87.5 MHz

CT3

108 MHz

BAND : FM

MAIN BOARD

1

15

16

30

IC1

(Component side)

L4,CT1
SW TRACKING
adjustment

L17,CT3
FM TRACKING
adjustment

T1
AM IF
adjustment

CT2
MW TRACKING
adjustment

L11
MW FREQUENCY
COVERAGE
adjustment

L9
SW FREQUENCY
COVERAGE
adjustment

MW/SW TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter.

SW

L4

5,800 kHz

CT1

15,900 kHz

MW

ANT102

621 kHz

CT2

1,404 kHz

MW/SW FREQUENCY COVERAGE ADJUSTMENT

Adjust for a maximum reading on level meter.

SW

L9

5,800 kHz

MW

L11

531 kHz

6

Note on Schematic Diagram:
• All capacitors are in 

µ

F unless otherwise noted.  p: pF.

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

C

: panel designation.

•

A

: B+ Line.

•

H

: adjustment for repair.

• Voltages are dc with respect to ground under no-signal

(detuned) conditions.
no mark : FM

∗

: Impossible to measure

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Signal path.

F

: FM

f

: AM (SW)

The components identified by mark 

0

or dotted line with mark 

0

 are critical for

safety.

• X

: parts extracted from the component side.

•

: Pattern from the side which enables seeing.