SERVICE MANUAL

Frequency rangeFM: 87.5 – 108 MHzAM: 530 – 1605 kHz

SpeakerApprox. 5.7 cm dia., 8 ohms

Power output100 mW (at 10% harmonic distortion)

Output@ jack (minijack)

Power requirements3V DC, two R6 (size AA) batteries

Battery lifeUsing Sony SUM-3 (NS) batteries

FM: Approx. 40 hoursAM: Approx. 45 hours

DimensionsApprox. 71 × 118.5 × 30 mm (w/h/d)(2 7/8 × 4 3/4 × 1 3/16 in)

MassApprox. 202 g (7 oz.) incl. batteries

Design and specifications are subject to changewithout notice.

FM/AM RADIO

E ModelAustralian Model

SPECIFICATIONS

ICF-S10MK2Ver 1.0 2002.01

9-873-460-01 Sony Corporation2002A0500-1 Personal Audio Company

C 2002.1 Published by Sony Engineering Corporation

Notes on chip component replacement• Never reuse a disconnected chip component.• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

2

ICF-S10MK2SECTION 1GENERAL

This section is extracted frominstruction manual.

R6(AA)×2

RearTyłZadní strana

Telescopicantenna

Antenateleskopowa

Teleskopickáanténa

Power switch/VOL(volume) control

Przełącznik zasilania/regulator głośności(VOL)

Hlavní vypínač/ovladač VOL(hlasitost)

TUNING

BAND

TUNE

@

ICF-S10MK2

3

SECTION 2DISASSEMBLY

• This set can be disassembled in the order shown below.

2-1. DISASSEMBLY FLOW

Note: Follow the disassembly procedure in the numerical order given.

2-2. REAR CABINET

2-3. MAIN BOARD

SET

REAR CABINET(Page 3)

MAIN BOARD(Page 3)

ICF-S10MK2

4

SECTION 3ASSEMBLY

• This set can be assembled in the order shown below.

3-1. ASSEMBLY FLOW

3-2. POINTER

POINTER(Page 4)

KNOB (TUNING)(Page 5)

MAIN BOARD(Page 5)

ICF-S10MK2

5

3-3. KNOB (TUNING)

3-4. MAIN BOARD

6

ICF-S10MK2SECTION 4

ELECTRICAL ADJUSTMENTS

0 dB=1 µV

[AM]Setting:BAND switch : AM

[FM]Setting:BAND switch : FM

• Repeat the procedures in each adjustment several times for amaximum reading on level meter, and the frequency coverageand tracking adjustment should be finally done by the trimmercapacitors.

Adjustment Location:

AM RF signal generator

30% amplitudemodulation by400 Hz signalOutput level: as low as possible

Put the lead-wireantenna close to the set.

+–

level meter

set

16 Ω

v jack (J1)

FM RF signalgenerator

22.5 kHz frequencydeviation by 400 HzsignalOutput level: as low as possible

+–

level meter

v jack (J1)

set

16 Ω0.01 µFTP (FM ANT)

– MAIN BOARD (Component Side) –

CT1 AM TrackingL1 Adjustment

T1AM IF

Adjustment

L3 FM TrackingCT2 Adjustment

CT4 AM Frequency CoverageL4 Adjustment

L2 FM Frequency CoverageCT3 Adjustment

AM IF ADJUSTMENT

Adjust for a maximum reading on level meter

T1 455 kHz

AM FREQUENCY COVERAGE ADJUSTMENT

Adjust for a maximum reading on level meter

L4 520 kHz

CT4 1,650 kHz

AM TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter

L1 620 kHz

CT1 1,400 kHz

FM FREQUENCY COVERAGE ADJUSTMENT

Adjust for a maximum reading on level meter

L2 86.5 MHz

CT3 109.5 MHz

FM TRACKING ADJUSTMENT

Adjust for a maximum reading on level meter

L3 87.5 MHz

CT2 108 MHz

ICF-S10MK2

77

SECTION 5DIAGRAMS

5-1. BLOCK DIAGRAM

13

10

15 18

11

6 8

FMFRONT-END

FMIF AMP

AFPOWER AMP

AM IF AMP,AGC, DET

AMFRONT-END

17

20

FMRF IN

FM/AMIF OUT

CF210.7MHz

CF1455kHz

CF310.7MHz

FMRF

FM IF IN

3FM

DISCRIMINATOR

TUNING METER

FM DISCRI

28

AFOUT

SP1

AFIN

24 25

DETOUT

AM IF IN

MET

ER

16

FM/A

MBA

NDSE

LECT

REG

OUT

VOL

5

AM O

SC

L4AM OSC

L3FM RF

L2FM OSC

L1AM FERRITE-ROD

ANTENNA

FM O

SC

AMRF IN

FM/AM FRONT-END,FM/AM IF AMP, DET, AGC, AF AMP

IC1

CT1

++

CT4, L4

AM FREQUENCYCOVERAGE

CT3, L2

FM FREQUENCYCOVERAGE

CT1, L1

AM TRACKING

CT2, L3

FM TRACKING

T1

AM IF

• SIGNAL PATH

: FM

: AM

9

J1

B+ (1.25V)D1

TUNE

RV1-1VOL

CV1TUNING

AM

FM

SW1BAND

CT2

CT3

CV1-3

CV1-3

CT4CV1-4

VCC 27

v

ANT1

CV1-2

DRY BATTERYSIZE “AA”

(IEC DESIGNATION R6)2PCS. 3V

RV1-2OFF

CV1TUNING

ICF-S10MK2

88

R8

R1

C8

C5 R6

C7

C18

MAIN BOARD

C1C6

C10

C9

C12

C23

C21

C4

+

+

C11

R7

R3

R4

R2

C14

C13

C3C2

L2

R5C15

+

C24

+

C20

C22

+

C19+

+

C17+

C16+

CF1

T1

SW1

BANDSW1

FM

AM

L4

R10

VOL

RV1 (1/2)

OFF

RV1 (2/2)

CF2

CF3

TUNED1

L3

L5

DRY BATTERYSIZE "AA"

(IEC DESIGNATION R6)2PCS. 3V

SP1

+–

J1

v

(11)

11

1-662-703-

CT4

CV1-4

CV1-3 CV1-2

CV1-1

CT1

CT3 CT2

TUNINGCV1

ANT1

L1AM FERRITE-ROD ANTENNA

IC1

A

B

C

D

E

F

1 2 3 4 5 6 7

1

30

15

16

TP(FM ANT)

Note on Printed Wiring Board:• X : parts extracted from the component side.• W : indicates side identified with part number.• f : internal component.• : Pattern from the side which enables seeing.(The other layers' patterns are not indicated.)

5-2. NOTE FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS

Note on Schematic Diagram:• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolyticsand 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.• Power voltage is dc 3 V and fed with regulated dc power

supply from battery terminal.• Voltages and waveforms are dc with respect to ground in

no-signal (detuned) conditions.no mark : FM( ) : AM

• Voltages are taken with a VOM (Input impedance 10 MΩ).Voltage variations may be noted due to normal produc-tion tolerances.

• Signal path.F : FMf : AM

5-3. PRINTED WIRING BOARD

• IC Block Diagram

IC1 CXA1019S

1 2 3 4 5 6 7 8 9 10 1514131211

FMDISCRIMINATOR

AF POWER AMP AM FE FM IF

TUNINGMETER

AM IF DET AGC

FM FE

23 22 21 202425 19 18 17 1629 28 27 2630

GND

GND

AF O

UT

VCC

RIPP

LEFI

LTER

AF IN

DET

OUT

AFC

AGC

AFC

AGC

IF G

ND

MET

ER

N.C

FM IF

IN

AM IF

INFM

/AM

BAN

DSE

LECT

FM/A

MIF

OUT

FE G

ND N.C

AM R

F IN

FM R

F

REG

OUT

FM O

SC

FM R

F IN

AFC

AM O

SCVOLNF

FM D

ISCR

I

GND

GND

ICF-S10MK2

99

5-4. SCHEMATIC DIAGRAM • See page 8 for IC Block Diagram.

J1

SP1

C23C21R10

C20

R7

C19 C24

C18C17C16C15

T1

R6

R2

R3

C11

C12

C8

C5

C4

C3

C2L5

C1

C14

C10R8 C9C7C6CT1

SW1

R4

C22

CT2 CT3

CT4

ANT1

CV1-1 CV1-2 CV1-4L2L3

CV1-3

L4

CF3

TP

C13

R5

IC1

CF1 CF2

R1

RV1-1

RV1-2

D1

0.10.16.8k

4706.3V

1k

0.4750V

22010V

0.0221050V

4.750V

1050V

330

150

1k

150V

0.01

1p

0.022

1050V

33p

33p

33p

100p

8.2p3.3k 27p18p3.9p

6.8k

10 50V

10.7MHz

(FM ANT)

0.0

1

2.2k

CXA1019S

455KHz 10.7MHz

100k

50K

SLP-181B-51

TUNE

OFF

VOL

BAND

AM

FM

FM

/AM

BA

ND

SELEC

TA

M

IF I

N

FM

IF I

N

NC

ME

TE

R

AFC

AG

C

IF GN

D

AFC

AG

C

DE

T O

UT

AF I

N

RIP

PL

E

FIL

TE

R

VC

C

AF

OU

T

GN

D

GN

D

FM RF FM OSC AM OSC

L1

AM

FERRITE-ROD

ANTENNA

FM

/AM

RF I

N

FM

NC

RF I

N

AM

RE

G O

UT

FM

OS

C

AFC

AM

OS

C

VO

L

NF

DIS

CR

I

FM

GN

D

GN

D

IF O

UT

FE

GN

D

FM

RF

DRY BATTERY

SIZE"AA"

2PCS. 3V

(IEC DESIGNATION R6)

FM/AM FRONT-END,

FM/AM IF AMP,

DET,AGC,AF AMP

CV1TUNING

ICF-S10MK2

1010

SECTION 7ELECTRICAL PARTS LIST

SECTION 6EXPLODED VIEW MAIN

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

* A-3679-803-A MAIN BOARD, COMPLETE*********************

* 3-009-415-01 HOLDER, FERRITE-ROD ANTENNA3-318-203-71 SCREW (B1.7X5) , TAPPING3-938-875-01 KNOB, VOL7-623-420-07 LW 2, TYPE B7-627-552-47 SCREW, PRECISION +P 1.7X4

< CAPACITOR >

C1 1-162-211-31 CERAMIC 33PF 5% 50VC2 1-162-211-31 CERAMIC 33PF 5% 50VC3 1-162-211-31 CERAMIC 33PF 5% 50VC4 1-126-964-11 ELECT 10uF 20% 50VC5 1-163-037-11 CERAMIC CHIP 0.022uF 10% 25V

C6 1-162-194-31 CERAMIC 3.9PF 10% 50VC7 1-163-099-00 CERAMIC CHIP 18PF 5% 50VC8 1-163-217-11 CERAMIC CHIP 1PF 0.25PF 50VC9 1-102-961-00 CERAMIC 27PF 5% 50VC10 1-162-198-31 CERAMIC 8.2PF 10% 50V

C11 1-126-960-11 ELECT 1uF 20% 50VC12 1-162-306-11 CERAMIC 0.01uF 20% 16VC13 1-162-306-11 CERAMIC 0.01uF 20% 16VC14 1-162-282-31 CERAMIC 100PF 10% 50VC15 1-126-964-11 ELECT 10uF 20% 50V

C16 1-126-963-11 ELECT 4.7uF 20% 50VC17 1-126-964-11 ELECT 10uF 20% 50VC18 1-163-037-11 CERAMIC CHIP 0.022uF 10% 25VC19 1-124-902-00 ELECT 0.47uF 20% 50VC20 1-126-941-11 ELECT 470uF 20% 6.3V

C21 1-136-165-00 FILM 0.1uF 5% 50VC22 1-126-964-11 ELECT 10uF 20% 50VC23 1-136-165-00 FILM 0.1uF 5% 50VC24 1-104-666-11 ELECT 220uF 20% 10V

< CERAMIC FILTER >

CF1 1-781-962-11 FILTER, CERAMIC (455kHz)CF2 1-760-233-71 FILTER, CERAMIC (10.7MHz)CF3 1-760-234-11 DISCRIMINATOR, CERAMIC (10.7MHz)

< VARIABLE CAPACITOR >

CV1 1-151-691-11 CAP, VAR (TUNING)

NOTE:• Due to standardization, replacements in the

parts list may be different from the parts speci-fied in the diagrams or the components usedon the set.

• -XX and -X mean standardized parts, so theymay have some difference from the originalone.

• RESISTORSAll resistors are in ohms.METAL: Metal-film resistor.METAL OXIDE: Metal oxide-film resistor.F: nonflammable

• Items marked “*” are not stocked since theyare seldom required for routine service.Some delay should be anticipated when order-ing these items.

• SEMICONDUCTORSIn each case, u: µ, for example:uA. . : µA. . uPA. . : µPA. .uPB. . : µPB. . uPC. . : µPC. .uPD. . : µPD. .

• CAPACITORSuF: µF

• COILSuH: µH

When indicating parts by referencenumber, please include the board.

< LED >

D1 8-719-038-29 LED SLP-181B-51 (TUNE)

< IC >

IC1 8-752-055-05 IC CXA1019S

< JACK >

J1 1-778-961-11 JACK (v)

< COIL >

L1 1-402-545-11 ANTENNA, FERRITE-ROD (AM)L2 1-409-565-11 COIL, AIR-COREL3 1-406-917-11 COIL, AIR-COREL4 1-406-028-00 COIL, OSC (AM)L5 1-428-222-11 COIL, AIR-CORE

< RESISTOR >

R1 1-216-246-00 RES-CHIP 100K 5% 1/8WR2 1-249-407-11 CARBON 150 5% 1/4WR3 1-249-417-11 CARBON 1K 5% 1/4WR4 1-249-427-11 CARBON 6.8K 5% 1/4WR5 1-249-421-11 CARBON 2.2K 5% 1/4W

R6 1-216-037-00 METAL CHIP 330 5% 1/10WR7 1-249-417-11 CARBON 1K 5% 1/4WR8 1-216-061-00 RES-CHIP 3.3K 5% 1/10WR10 1-216-069-00 METAL CHIP 6.8K 5% 1/10W

< VARIABLE RESISTOR >

RV1 1-223-825-11 RES, VAR, CARBON (WITH S) 50K (VOL, OFF)

< SWITCH >

SW1 1-552-370-00 SWITCH, SLIDE (BAND)

< TRANSFORMER >

T1 1-404-790-11 TRANSFORMER, IF************************************************************

MISCELLANEOUS**************

ANT1 1-501-247-32 ANTENNA, TELESCOPICSP1 1-503-616-11 SPEAKER

************************************************************

• Items marked “*” are not stocked since theyare seldom required for routine service. Somedelay should be anticipated when orderingthese items.

• The mechanical parts with no reference num-ber in the exploded views are not supplied.

• Accessories are given in the last of the elec-trical parts list.

NOTE:• -XX and -X mean standardized parts, so they

may have some difference from the originalone.

• Color Indication of Appearance PartsExample:KNOB, BALANCE (WHITE) . . . (RED)

↑ ↑Parts Color Cabinet's Color

1 3-938-879-01 CABINET (FRONT) (BLACK)1 3-938-879-41 CABINET (FRONT) (SILVER)2 3-241-522-01 SCALE, DIAL3 3-938-881-01 POINTER4 3-938-875-01 KNOB, VOL

* 5 A-3679-803-A MAIN BOARD, COMPLETE7 3-893-381-01 STRAP, HAND8 3-938-883-01 CABINET (REAR) (BLACK)8 3-938-883-61 CABINET (REAR) (SILVER)9 3-938-886-01 LID, BATTERY CASE (BLACK)

9 3-938-886-41 LID, BATTERY CASE (SILVER)10 3-903-414-01 TERMINAL, MIDWAY11 3-938-874-01 KNOB, TUNING

12 3-364-778-01 SPRING, MINUS13 3-903-415-01 TERMINAL, PLUS14 3-318-203-71 SCREW (B1.7X5), TAPPING

* 15 3-009-415-01 HOLDER, FERRITE-ROD ANTENNA16 3-364-941-11 SCREW (+B) (2.6X5), NYLOK

ANT1 1-501-247-32 ANTENNA, TELESCOPICL1 1-402-545-11 ANTENNA, FERRITE-ROD (AM)SP1 1-503-616-11 SPEAKER#1 7-627-552-47 SCREW, PRECISION +P 1.7X4#2 7-627-553-48 SCREW, PRECISION +P 2X4

#3 7-685-533-19 SCREW +BTP 2.6X6 TYPE2 N-S#5 7-623-505-01 LUG, 2#6 7-623-420-07 LW 2, TYPE B

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

ICF-S10MK2

1010

SECTION 7ELECTRICAL PARTS LIST

SECTION 6EXPLODED VIEW MAIN

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

* A-3679-803-A MAIN BOARD, COMPLETE*********************

* 3-009-415-01 HOLDER, FERRITE-ROD ANTENNA3-318-203-71 SCREW (B1.7X5) , TAPPING3-938-875-01 KNOB, VOL7-623-420-07 LW 2, TYPE B7-627-552-47 SCREW, PRECISION +P 1.7X4

< CAPACITOR >

C1 1-162-211-31 CERAMIC 33PF 5% 50VC2 1-162-211-31 CERAMIC 33PF 5% 50VC3 1-162-211-31 CERAMIC 33PF 5% 50VC4 1-126-964-11 ELECT 10uF 20% 50VC5 1-163-037-11 CERAMIC CHIP 0.022uF 10% 25V

C6 1-162-194-31 CERAMIC 3.9PF 10% 50VC7 1-163-099-00 CERAMIC CHIP 18PF 5% 50VC8 1-163-217-11 CERAMIC CHIP 1PF 0.25PF 50VC9 1-102-961-00 CERAMIC 27PF 5% 50VC10 1-162-198-31 CERAMIC 8.2PF 10% 50V

C11 1-126-960-11 ELECT 1uF 20% 50VC12 1-162-306-11 CERAMIC 0.01uF 20% 16VC13 1-162-306-11 CERAMIC 0.01uF 20% 16VC14 1-162-282-31 CERAMIC 100PF 10% 50VC15 1-126-964-11 ELECT 10uF 20% 50V

C16 1-126-963-11 ELECT 4.7uF 20% 50VC17 1-126-964-11 ELECT 10uF 20% 50VC18 1-163-037-11 CERAMIC CHIP 0.022uF 10% 25VC19 1-124-902-00 ELECT 0.47uF 20% 50VC20 1-126-941-11 ELECT 470uF 20% 6.3V

C21 1-136-165-00 FILM 0.1uF 5% 50VC22 1-126-964-11 ELECT 10uF 20% 50VC23 1-136-165-00 FILM 0.1uF 5% 50VC24 1-104-666-11 ELECT 220uF 20% 10V

< CERAMIC FILTER >

CF1 1-781-962-11 FILTER, CERAMIC (455kHz)CF2 1-760-233-71 FILTER, CERAMIC (10.7MHz)CF3 1-760-234-11 DISCRIMINATOR, CERAMIC (10.7MHz)

< VARIABLE CAPACITOR >

CV1 1-151-691-11 CAP, VAR (TUNING)

NOTE:• Due to standardization, replacements in the

parts list may be different from the parts speci-fied in the diagrams or the components usedon the set.

• -XX and -X mean standardized parts, so theymay have some difference from the originalone.

• RESISTORSAll resistors are in ohms.METAL: Metal-film resistor.METAL OXIDE: Metal oxide-film resistor.F: nonflammable

• Items marked “*” are not stocked since theyare seldom required for routine service.Some delay should be anticipated when order-ing these items.

• SEMICONDUCTORSIn each case, u: µ, for example:uA. . : µA. . uPA. . : µPA. .uPB. . : µPB. . uPC. . : µPC. .uPD. . : µPD. .

• CAPACITORSuF: µF

• COILSuH: µH

When indicating parts by referencenumber, please include the board.

< LED >

D1 8-719-038-29 LED SLP-181B-51 (TUNE)

< IC >

IC1 8-752-055-05 IC CXA1019S

< JACK >

J1 1-778-961-11 JACK (v)

< COIL >

L1 1-402-545-11 ANTENNA, FERRITE-ROD (AM)L2 1-409-565-11 COIL, AIR-COREL3 1-406-917-11 COIL, AIR-COREL4 1-406-028-00 COIL, OSC (AM)L5 1-428-222-11 COIL, AIR-CORE

< RESISTOR >

R1 1-216-246-00 RES-CHIP 100K 5% 1/8WR2 1-249-407-11 CARBON 150 5% 1/4WR3 1-249-417-11 CARBON 1K 5% 1/4WR4 1-249-427-11 CARBON 6.8K 5% 1/4WR5 1-249-421-11 CARBON 2.2K 5% 1/4W

R6 1-216-037-00 METAL CHIP 330 5% 1/10WR7 1-249-417-11 CARBON 1K 5% 1/4WR8 1-216-061-00 RES-CHIP 3.3K 5% 1/10WR10 1-216-069-00 METAL CHIP 6.8K 5% 1/10W

< VARIABLE RESISTOR >

RV1 1-223-825-11 RES, VAR, CARBON (WITH S) 50K (VOL, OFF)

< SWITCH >

SW1 1-552-370-00 SWITCH, SLIDE (BAND)

< TRANSFORMER >

T1 1-404-790-11 TRANSFORMER, IF************************************************************

MISCELLANEOUS**************

ANT1 1-501-247-32 ANTENNA, TELESCOPICSP1 1-503-616-11 SPEAKER

************************************************************

• Items marked “*” are not stocked since theyare seldom required for routine service. Somedelay should be anticipated when orderingthese items.

• The mechanical parts with no reference num-ber in the exploded views are not supplied.

• Accessories are given in the last of the elec-trical parts list.

NOTE:• -XX and -X mean standardized parts, so they

may have some difference from the originalone.

• Color Indication of Appearance PartsExample:KNOB, BALANCE (WHITE) . . . (RED)

↑ ↑Parts Color Cabinet's Color

1 3-938-879-01 CABINET (FRONT) (BLACK)1 3-938-879-41 CABINET (FRONT) (SILVER)2 3-241-522-01 SCALE, DIAL3 3-938-881-01 POINTER4 3-938-875-01 KNOB, VOL

* 5 A-3679-803-A MAIN BOARD, COMPLETE7 3-893-381-01 STRAP, HAND8 3-938-883-01 CABINET (REAR) (BLACK)8 3-938-883-61 CABINET (REAR) (SILVER)9 3-938-886-01 LID, BATTERY CASE (BLACK)

9 3-938-886-41 LID, BATTERY CASE (SILVER)10 3-903-414-01 TERMINAL, MIDWAY11 3-938-874-01 KNOB, TUNING

12 3-364-778-01 SPRING, MINUS13 3-903-415-01 TERMINAL, PLUS14 3-318-203-71 SCREW (B1.7X5), TAPPING

* 15 3-009-415-01 HOLDER, FERRITE-ROD ANTENNA16 3-364-941-11 SCREW (+B) (2.6X5), NYLOK

ANT1 1-501-247-32 ANTENNA, TELESCOPICL1 1-402-545-11 ANTENNA, FERRITE-ROD (AM)SP1 1-503-616-11 SPEAKER#1 7-627-552-47 SCREW, PRECISION +P 1.7X4#2 7-627-553-48 SCREW, PRECISION +P 2X4

#3 7-685-533-19 SCREW +BTP 2.6X6 TYPE2 N-S#5 7-623-505-01 LUG, 2#6 7-623-420-07 LW 2, TYPE B

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

11

ICF-S10MK2

ACCESSORIES************

3-858-197-31 MANUAL, INSTRUCTION (SPANISH, FRENCH, GERMAN, DUTCH,

SWEDISH, ITALIAN, PORTUGUESE,SIMPLIFIED CHINESE)

ICF-S10MK2

REVISION HISTORY

Clicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page allows you to jump to the next revisedpage.

Ver. Date Description of Revision

1.0 2002.01 New