JVC MXK-3 Schematic

MX-K3

Wiring connections

Control/FL P.C.B. Ass'y

7

6

5

Cassette Mechanism

4

P.B. HEAD bottom sideA REC/P.B. HEAD bottom sideB

Card wire

Cassette deck

main motor

Cass P.C.B. Ass'y

FL TUBE

CN702

1

3-5320-018-01-07

+

-

+

CN703

-

1

Card wire

1

3-5310-020-02-07

FW701 FW701

1

CN701

1

Parallel wire

0
9
4

Card wire

0

2
0
9

3-5400-595-01-00

2

0
9
2

CN308

Switch P.C.B. Ass'y

1

FW702-2

CN307

3-5400-594-01-00

1

3-5302-010-01-07

1

CN302

FW702-1

3-5321-018-01-07

1

CN301

3-5313-017-01-07

T1

Active bass EX. Switch P.C.B. Ass'y

1

CN305

CN303

Main P.C.B. Ass'y

1

1

CN603

CN604

1

CN602

3-5311-027-01-07

Pick up SW P.C.B. Ass'y

9/0
9/4
9/6

9

9/2

3-5400-593-01-00

9/2

9/6
9/4
9/0
9/2

1

4

6

Table pos P.C.B. Ass'y

9

W608

9

Card wire

W603

W606

1

3-5303-018-01-07

9

2/9

Tray motor

1

3-5311-019-01-07

Power amp and Power

supply P.C.B. Ass'y

3-5304-037-01-07

Parallel wire

3-5400-538-01-00

3-5305-030-01-07

CN902A CN902C

Tray SW P.C.B. Ass'y

1

W606

Parallel wire

3-5302-012-02-07

Turn table motor P.C.B. Ass'y

1

1

CN605

W608

CASS.

GND

1

1

W607

Turn Table motor

CN902B

Disc count P.C.B. Ass'y

W607

A

0

3

0 29

912 4 9 2 0

1

A

0

L2

2

Color codes are shown below.

1 Brown
2 Red
3 Orange
4 Yellow
5 Green

1

6 Blue
7 Violet
8Gray
9 White
0 Black

3-5315-010-01-07

CN601

1

Card wire

Spindle motor

PO11

CD
Pick up

1

CD Pick up UNIT

6
4

Feed motor

AC
INPUT

3-5400-569-01-00

FW1051

IC304

POWER IC

Head phone P.C.B. Ass'y

0

9

1

CN1101

CN901B

CN901A

FW951

TB902

TRANS

TB901

Power trans. P.C.B. Ass'y

CN901

1

1

3-5309-019-01-07

1

Parallel wire

BCDEFGH I JA

2-1

Block diagram

7

MX-K3

6

5

(A cassette)

REC/PB HEAD

4

(B cassette)

3

2

ANT-TERMINAL

PB HEAD

Cassette Deck

Main Motor

Turn Table

Motor

(Disk Motor)

Disk count

/Table position

switch

Tray Motor

M

M

M

AUX IN

JA301

L

R

JA302

CN307a

CN308a

CN605

MAIN PCB POWER AMP. PCB

AM

FM

PB R 1

CN307

RB L

REC L

RB R

CN308

REC R

CN305

SOLA, SOLB, MOT

CN604

LC1

BPF

Q405
Q505

Q403
Q404
Q503
Q504

DM+
DM-

1

IC1

AM/FM DET

31

24

IC401

REC/PB

24PB L

23

2

16

9

DCNT, TPSW

UPSW, DWSW, CLSSW, OPSW

AMP.

CH2_A

CH1_A

CH2_B

CH1_B

REC_OUT2

REC_OUT1

A/B_SW

PREOUT2

PREOUT1

REC_IN2

REC_IN1

1919

A/BRPHD

16

17

20

5

14

11

L OUT

R OUT

PB L

PB R

Q402
Q502

Digital servo

Processor

REC L

REC R

Q401
Q501

IC601

&

Head
Phone

7

LIN4

28

RIN4

Source Select

5

LIN2

2

RIN2

6

LIN3

1

RIN3

8

MUXO_L

9

IN(L)

10

MUXO_R

11

IN(R)

4

LIN1

3

RIN1

IC101

L OUT

R OUT

IC304

Power amp.

27

3

15

IN 2

OUT2+/-

10, 11

IC102

26

5

AMP

CN303

CN902

1

IN 1

OUT1+/-

6, 7

CN901

CN701

VCK, VDATA

L

R

CN1101

J303

SP L

SP R

SW

IC2

PLL

SCK, SDI, SDO, TUCE, MPX

RECM, PBM

MDATA, MCLK

CN301 CN302

CN703 CN702

IC701

CPU

&

FL driver

FW701

Volume

FW701

LED

SWITCH PCB

IC402

Shift Register

75

73

SCK, SDO

FL display

CONTROL/FL PCB

Tray switch

Pick Up

Focusing/Tracking

1

Feed/Spindle

Motor

M

PO11

CN603

T+

CN601

T­F+
F-

CN602

TM+
TM-

CW, CCW, CNTT

IC611

RF&SERVO

IC621

CD DRIVER

ARF, RFENV, BDO
OFT, /RFDET

FOD, TRD, KICK, TRV
TVD, ECM, ECS

BCDEFGH I JA

2-2

Standard schematic diagrams

MX-K3

Head AMP, tuner and audio section

7

+

M

-

70uS-A

70uS-B

F-REC

HALF-A

GND

HDP-A

1011121314

15

22K

R330 47K

R329

R328 10K

TPB

1

STRB

VCC

2

DATA

OE

3

CLK

Q5

4

Q1

Q6

SOLA

5

Q2

Q7

SOLB RPHD

6

Q3

Q8

MOT

7

Q4

Q'S

A/B

GND8QS

IC402 74HC4094

(PORT EXTENSION)

FTU

R71

3.3K

C65 0.022

+

C66 16V47

HALF-B

BC2

BC1

BIAS

PDET-A

R72
100K

D321 1SS133

16

15

14

13

12

11

10

9

2SC2785

R-REC

R331 3.3K

Q7

SOL-A

SOL-BM+PDET-B

+5V

Q309 KTA1273Y

C315 0.01

R332 4.7K

BIAS

RPHD

BC1

TO CD SCH.SECTION

OPN
CLS

CW

Q318

D323 1N4001

D324 1SS133

IC101 TDA7440D

RIN3

RIN2

RIN1

LIN1

AGND

LIN2

LIN3

LIN4

MUXO-L

IN(L)

DGND

MUXO-R

TRE(R)

IN(R)

TRE(L)

BIN(R)

BOUT(R)

BIN(L)14BOUT(L)

C110 0.082-M

CCW

CNTT
OPSW
CLSW
UPSW

DWSW

DCNT
TPSW
MCLK
MDATA

C341 0.01

R363
470

Q319
KTA1267Y

Q321
DTC114YS

D314

1SS133

C113 0.12-M

28

RIN4

C213

27

LOUT

0.12-M

26

ROUT

25

24

VS

C327

+

23

CREF

16V10

22

SDA

21

SCL

20

C212

0.0056-M

19

18

C112

17

0.0056-M

N.C

16

N.C

15

C111

0.082-M

R112 5.6K

R212 5.6K

HALF-SW

REC-FWD

123456789101112131415

HDP-B

CN305

123456789

Q311

KTA1273Y

C316 0.01

D322 1SS133

Q310 KTC3199

150

R333

R364 15K

+

C346 10V10

Q312 KTC3199

3.3K

150

R334

R336

R335 4.7K

SW5V

D312 1SS133

+

C324 10V100

HEAD SW

Q313

KTA1273Y

C317

16V100

+

C318

25V4.7

+

R337

R338 1K

Q314

C319

16V1000

DTC114YS

C326

0.01

+

C202 50V1

+

C102 50V1

+

C203 50V1

+

C103 50V1

+

C106
25V4.7

+

+

C206
25V4.7

3.3K

MOTSOLBSOLA

To I-2, I-3
on page 2-32

To I-6
on page 2-32

FCD

R369

47K

DTC114YS

R374 22K

R361 22K

L305
10uH

1

2

3

4

5

6

7

8

C107

+

9

25V4.7

10

C207

+

11

25V4.7

12

13

C210 0.082-M

C211 0.082-M

+

C116 50V1

R202

6.8K

R102

R73 1K

6.8K

R101 39K

R201 39K

C101
100P

C201
100P

Q8 KTA1267Y
R74

D10

1SS133

33-1/4W UNF.F

!

C338

0.001

W301

GND

L304

F.B

S1

S2

JA301

R115 22K

R350 1K

+

C325 50V2.2

17

CG

H.Cro2/L.Nor.

C26

0.0068

17

R_OUT

CF2

10.7MHz

C408 25V4.7

16

L_OUT

+

R507 68K

16

REC_OUT2

R407 68K

+

AM IFT

C508 25V4.7

15

REC_NF2

R27 22

C27 0.0022

DTC114YS

15

AM/FM_SW

T1

+

14

REC_IN2

Q6

14

ST/MON_SW

R304 330

C305

16V100

C510 0.0033C410 0.0033

13

12

R317 4.7K

C36

13

FM_DET

12

C511 25V10

ALC

C411 25V10

R509 150K

+

IC401 TA8189

+

R409 150K

R316 10K

L-Tape.A /H-Tape.B

A/B

0.022M

IC1 LA1823

+

C33 25V22

R306 1M

R410 1.2k R510 1.2K

C37

0.022M

C41

50V2.2

+

+

C40

50V2.2

R20 100

Q3 DTC114YS

Q4 DTC114YS

+

R408 ***

Q308 DTC144ES

R23 5.6K

R24 5.6K

CDA10.7MG1-A

R21 3.3K

C34 0.022

HEAD SW

C512

***

Q501 2SD2144SQ401 2SD2144S

R512 1.8K

C514 1000PC414 1000P

R508 ***

R513 22K

R413 22K

180P

180P

Q502

R514 4.7K

C313 0.01

C345 0.01

R414 4.7K

RECM

R417 22KR517 22K

C518 0.0022 C418 0.0022

C50 16V47

+

C67

R52 4.7K

0.01

C51
12P

X1

75Khz

C52 12P

C61 100P

C62 100P

C63 100P

R76 10K

R15 10K

C70

0.001

+

C515
25V4.7

C306 10V47

C415
25V4.7

+

R412 1.8K

C412 ***

PBM

Q402 2SD2144

R418

2.2K

C413

C513

R518

2.2K

2SD2144

+

+

50V1

50V1

C104

C204

C43 0.001

R25 4.7K

R26 4.7K

CF3

C42 0.001

C28 50V0.47

+

+

C29 50V0.22

C30 50V3.3

+

C44 10P

R22 100K

D9 1SS133

Q5

DTA114YS

C38

C39

0.001

0.001

HALF SW

R321 2.2K

R322 2.2K

R319 22K

DETB

DETA

TPA

R339 2.2K

C53 1-TF

C54

0.0039

21

GND

MPX

EXCE

R416 6.8K

R340 2.2K

SD0

R341 2.2K

SCK

C323 0.01

A/B

R54 1.8K

R58 100

4.7K

C56 0.01

R55

C55 470P

15

20

19

LPFI

LPFO

R61 1K

R60 1K

1SS133

D50

TUCE

SDO

14

16

17

18

PD

VCC

FMIN

AMIN

R66 47K

R67 47K

R62 1K

R63 1K

R68 47K

R69

R70 47K

1SS133

D51

R65 1K

R64 1K

SCK

SDI

R516 6.8K

R51 1K

R53 3.3K

22

XT

XTI1FM2CE3DI4CLOCK5DO6VCOSTOP7AM/FM8LW9MW10SDIN

IC2 LC72136

R323 2.2K

R324 2.2K

R325 2.2K

C314

47K

0.01

R320

SW5V

C321 150P

C322 150P

C320 150P

C58

0.001

+

C57 0.01

C59

10V100

R57 330

R56 2.2K

13

12

L50

220uH

NC

IFIN

IFCNT

R59
10K

11

C60

47K

0.01

R75 22

C304

CH2_B

DTC144ES

0.01

22

FM_RFOUT

R303 1K

0.001

+

C507

25V4.7

H.Tape A / L.Tape B

19

20

18

22

21

NF2

EQ2

VCC

A/B_SW

PREOUT2

R305 10K

+

C407

25V4.7

R312 1K

BIAS

R19 1.2K

C71

0.001

Q2

KTC3195Y

C24

0.001

R18

220K

R17 100

C17 3P

+

C25 25V4.7

18

21

19

20

MPX_IN

VCC _2

FM_OSC

DET_OUT

C13

10V100

+

R10 100

C14

0.022

R370 1K

100

R504

R406 6.8K

C312

0.0068M

L3 FM-RF

KTC3194(O)

C12 0.01

KTC3203Y

C11 0.047

Q1

R12
470K

+

C505 10V100

C405 10V100

R310 39

Q303

L6 22uH

C504

0.018-M
R502 6.8K

R501 100K

C503 33P

23

24

CH2_A

C502 680P

C501 680P

680P

CH1_A1CH1_B2NF13EQ14PREOUT15MIX_OUT6GND17EQSW8REC_OUT19REC_NF110REC_IN111GND

C402

C401 680P

C403 33P

R401 100K

+

R402 6.8K

C404

0.018-M

100

R404

C409 820P

R405 10K

Q304 KTA1267Y

Q305

R311 12

RPHD

C10

R7 47K

C21 8.2P

D8 SVC203

L4 FM-OSC

R16 10

C3 0.001

R8 10

24

23

GND_2

FM_RFIN

R9 10

AM_RFIN1REG.2AM_OSC3VCC_14FM_MIXOUT5GND_16IF_BUFFER7ST_IND8AM_MIXOUT9FM_IFIN10AM_IFIN11AGC

R14 330

R13 33

C19 0.01

C509 820P

R372 22K

SVC203

C303

50V2.2

C309 0.01

IN

LC1 BPF

+

CF1 10.7MHz

+

Q325

DTC114YS

+

R5 100K

2

GND

Q324

C310 16V100

R6 47K

C22 0.001

OUT

R506 6.8K

DTA114YS

R301 1K

C311

R308 10K

R309

10

C2 4.7P *

C20

0.01

R11 330

R505 10K

0.01M

3

L.CH.

PB-HD

CN307

CN308

1
2
3

C302 NOMT

Q403 2SC2785

1
2
3
4
5
6
7
8

C417 470P

R415 10K

C339

0.01

R521 1K

R421 1K

C517 470P

R515 10K

Q302

KTC3200

R307 2.2K

R1 1.5K

R423 2.2K

Q404 2SC2785

Q405 2SC2785

Q503

2SC2785

2SC2785

Q301

DTA114YS

C7 12P

Q322 DTA114YS

R523 2.2K

Q504

Q505

2SC2785

C307 820P

BC1

R422 1K

R522

1K

C308

Q323
DTA114YS

R371 22K

R373 2.2K

C301 0.001

L301

BIAS-COIL

0.015-M

C18 0.01

1

6

TAPE.A

RP-HD

TAPE.B

RP-HD

5

E-HD

2
3

PB-HD

CN307a

R.CH.

R.CH.

1
2
3
4
5
6
7
8

L.CH.

CN308a

4

3

C4 0.022

C8 8.2P

R2 100K

C9 0.047

L2 AM BLOCK COIL

L1

2.2uH

2

AM

GND

GND

ANT-TERMINAL

FM

JA302

GND

C6 10P

1SS133D31SS133

D4

C23 0.01

1SS133

D5

R3 1K

D6 1SS133

1SS133

D1

C1 0.022

D2 1SS133

R4 100K

D7

C5 0.047

1

C15 0.022

C16 25V10

L5 100uH

1

To A-4 on page 2-5

TO CTRL PWB

TPB

TPA

DETA

MDATA

MCLK

OPSW

CLSW

UPSW

DWSW

DCNT

OPN

20

21

OPN

CLS

CLS

Q327

KTA1267Y

CCWCWCNTT

CCWCWCNTT

TPSW

101112

13

OPSW

CLSW

UPSW

DWSW

DCNT

TPSW

TPA

TPB

DETA

DETB

MCLK

MDATA

SW5V

R367

10K

R368

47K

C205 50V1

+

+

C343 10V1000

C342 0.01

D325 1SS133

+

VDATA

C105 50V1

Q101

2SC2785

R106 6.8K

R103 2.7K

R104 2.2K

R105 120K

C114

0.1-M

+

C331 10V100

C214

0.1-M

1K

R205 120K

R204 2.2K

R345

R203 2.7K

R347 1K

R346 47

D307 MTZ5.1J

R348 2.2K

AHB

15K

R352

R354

Q316

2SC2785

C335
25V4.7

100K

R355

R356

180

R353

!

R362

2.2-1/4W UNF.F

C328 16V47

+

C329 0.01

C330

100P

R344 1K

+

VCK

C216 50V1

Q315

R215 22K

2SC2785

+

C334
50V1

R351

CD/TAPE PLAY SIGNAL

DETB

LVL

RECM

LVL

4

G

+

-

567

R206 6.8K

820

+

33

220

RECM

PBM

SW5V

114215316417518619789

PBM

SW5V

R114 1K R214 1K

-

+

R207

C215 10V100

Q201

2SC2785

1SS133

R357 10K

CN301
FFC-21P

R213 10K

R113 10K

R108 10K

R109

1.2K

C115 10V100

10K

R107

123

VCC

8

R210

10K

2.2K

+

R208 10K

+

D308

To I-6, I-7
on page 2-4

+

R110

2.2K

IC102

R209

1.2K

C333
25V4.7

+

R358 100K

TO CD SCH.SECTION

C208 25V4.7

C108 25V4.7

BA15218

LVL

C336 50V1

SQCK
SUBQ

MLD

XRST

MOMU

STAT
REST

BLKCK

GCTL

CN302
FFC-20P

FTU

20

FTU

19

MPX

MPX

18

AHB

AHB

17

EXCE

EXCE

16

SDO

SDO

SDI

15

SDI

14

SCK

SCK

TUCE

13

TUCE

12

XRST

XRST

11

FCD

FCD

10

REST

9

MOMU

8

MLD
SUBQ

7

SQCK

6
5

VCK

4

VDATA

3

STAT

2

BLKCK
GCTL

1

CD+5V

D.GND

+

+

L306 F.B

D309

1SS133

10K

R111

OUT.L

A.GND

OUT.R

SW5V

M.GND

M+8V

L307 F.B

TO CONTROL PWB

To A-5 on page 2-5

REST
MOMU
MLD
SUBQ
SQCK
VCK
VDATA
STAT
BLKCK
GCTL

To I-6 on page 2-4

TO CD SCH.SECTION

+

C109 25V4.7

+

C332 16V47

+

C209 25V4.7

R349 220

R211 10K

D311

1SS133

D310
1SS133

Q317

2SC2785

D313 1SS133

R359
470

CN303

1

R.OUT

2

A.GD

3

L .OUT

4

5V6

5

D.GND

6

MGND

7

B.CTRL

8

SFTY

9

CDA.GND

10
11

9V
TUGND

TO POWER PWB

To A-5 on page 2-6

+

C337 16V47

R365 3.3K

R366 6.8K

TAPE REC SIGNAL

RADIO SIGNAL

BCDEFGH I JA

2-3

MX-K3

CD servo control section

7

R646 220K

TBAL

270K

R645

33K

CN 602

CN 603

CN 601

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

6
5
4

SM+

3

SM-

REST.G

2

FM+

1

1
2
3
4
5
6
7

CN 604

R673

C646

2700p

33K

R672

C647
2700p

R640

6.8K

R639

6.8K
B+D
A+C

E

C636

F

F+

R633

T+

10

T­F-

FM-

FM -

/R E S T

FM +

TM ­TM +

1
2
3
4

DM-

5

DM+

C648

0.022

0.022
IC611

AN 22000A

C62410V47

120

+

R602

D602 1S S133

39K

R635

R649

10

+

2.2

C622

50V10

R632

Q601

KTA 1267

12

R634

CNTT

R666
1K

Q602

DTC 114YS

DM+
DM-

C661

1000P

C660

1000P

R650 4.7K

C652
390p

C653

390p

10K

10K

10K

10K

10K

10K

R647

R648

R629

R630

R611

R631

8.2K

R671

8.2K

R675

28

31A32

C

PD1LD2VCC3RFN4RFOUT5RFIN6ARF8CAGC

C626

0.1

R667 33K

31

30

32

GND

OUT6-

OUT6+

OUT1-1OUT1+2OUT2-3OUT2+4IN25IN16VCC7VCC8REG-I9REG-B10REG-OUT11IN3-R12IN3-F13OUT3+14OUT3-15GND

FM SM TM

26E27

30D29

F

B

7

0.5V p-p

C6350.1

+

C629 0.047

6.3V220

C631

NOMT

R636

R637

22K

2.2K

R638

3.3K

CW

CCW

22K

22K

R665

R664

27

26

28

29

IN6-F

IN6-R

MUTE IN

C651

25V0.022

C649

+

50V10

CD MECHANISM

OPTIMA - 7A

1

2

3

4

5 6

HDU110

6

Focu sin g Tracking

10

9

8

7

1

1

F2

2

SR

3

T1

4

NC

5

F1

6

K

7

T2

8

MD

9

LD

1K

10

VR

11

G

12

F+

13

T+

14

T-

15

F-

5

6
5

REST-SW

C675

0.1

-

TRAY M OTO R

M

4
3
2
1

+

M

-

1
2
3
4
5
6
7

1
2
3
4
5

+

CN 605

4

SPIN DLE

FEED

+

+

M

M

-

-

3

Pickup SW

Tray SW

Open

Close

Disc Count

SW 704

Table Position

2

Up

Down

1

3

2

2

3 1

1
2

1
2

Turn Table M otor (Disc M otor)

1
2

1
2

1.46V p-p

470K

C643 100p

R644 100K

25

23

24

22

FBAL

GCTL

TBAL

FEOUT

CEA93TOUT10CBOO11BDO12COFTR13NRFDET15GND

NOMT

0.039

C632 0.047

C634

4700p

C628

C627

33p

R601

2.7K

R668

2.7K

22

23

24

IN521IN4

VCC

GND25GND

BIAS IN

+

C650
10V220

C644

0.022

R641 0

C642
10p

TEN21FEN

C659

390p

OUT5+

C630

R642
150K

2200p

C640

0.022

1.42V p-p

20

18

19

R616 39K

VREF17VDET

TEBPF

TEOUT

OFTR

16

14

TP1

OUT5-

GND

C655

R658 NO MT

C654

+

NOMT

0.0068
C657

R661

+

C656

NOMT

NOMT

0.0047

F-

T+

F+

C658

17

18

390p

OUT4-

OUT4+

IC621

BA 5936S

16

R652

1.2K

R662 5.6K
R663 5.6K

D606
1N4001

C633 1500pF

19

R643

T-

20

FBA L

FE

C645

0.022

R670
390K

TE

C641
NOMT

VDET

R618

GCTL

68K

LDO N

C637

0.47

TP2
Vref

+

C639 10V 100

C638 16V 0.1

R651
R653
R654
R655

C662
NOMT

D607
1N4001

C625
NOMT

R657

3.9K

R660
10K
R659

100K

/R F D E T

OFT
BDO
ARF

RFENV

FOD

TRD
KICK

27K

ECM

1.2K

ECS

12K

TVD

24K

TRV
OPN

CLS

UPSW

DW SW

CLSW

OPSW

DCNT
TPSW

R619

D601 1SS133

TRV
TVD

ECM
ECS
KICK
TRD
FOD

FBA L
TBAL
FE
TE
RFENV
VDET
OFT

/R F D E T
BDO
LDO N

GCTL

ARF

100

21

22

23

24

25

26

27

28

29

30

31

32

33

R615

1K

34

35

36

C608

37

0.1

38

39

40

R617
1M

C609

470p

TP3
ARF

+

C610 10V220

XRST

STAT

SQCK

SUBQ

C673

R614 1K

100p

C607

0.022

TP8

17

19

15

16

18

20

PM CK

RST

STAT

SMCK

PMCK

TRV

TVD

PC

ECM

ECS

KICK

TRD

FOD

VREF

FBAL

TBAL

FE

TE

RFENV

VDET

OFT

TRCRS

/RFDET

BDO

LDON

PLLF241TOFS42WVEL43ARF44IREF45DRF46DSLF47PLLF48VCOF49AVDD250AVSS251EFM52PCK53VCOF254SUBC55SBCK56VSS57X158X259VDD

R620 NO MT

C611 16V0.1

SQCK14SUBQ

DMUTE

R622 68K

R623 120K

R621 68K

R624 1.5M

C612 0.022

C613 0.022

BLKCK

TLOCK

TP5

12

13

BLKCK

IC601

M N662748RPM

0.15

C614

R625

330

C623

TP6

NOMT

FLOC K

FLOCK11TLOCK

(DTA114YS)

NOMT
Q603

R627
NOMT

MLD

MCLK

MDATA

16V0.1

60

BCLK1LRCK

AVDD1

DEMPH

IPFLAG

CLDCK

MSEL

CSEL

RSEL

OUTR

AVSS1

OUTL

/TEST

IOSEL

RESY

CLVS

FLAG

FCLK

C606

SSEL

PSEL

CRC

Bare Jum per
JP601

270

R669

R656

C601

C617 12p

+

C605 10V220

80

79

78

77

76

R604 1K

75

74

R603 1K

73

72

71

70

69

68

67

66

65

64

63

62

61

2.7K

0.33

DEMPH

R605 220

+

TP9

C621 10V220

C620 16V0.1

TP10

FLAG

TP11

IPFLA G

L601

10uH

C619

16V0.1

C618

50V10

+

C604

2200P

C603 0.0022

C602 0.0022

SENSE

TP7

9

8

7

10

MLD

MCLK

SENSE

MDATA

560K

EFM

TP12

R626

D604
NOMT

D603
NOMT

2

3

6

4

5

TX

DVSS1

DVDD1

SRDATA

BYTCK/TRVSTP

X601

16.9344M Hz

NOMT

R628 5.6K

12p

1uF

C663

C616

C615

MOMU

D605

1N4001

FB601
FB

GCTL
SQCK
SUBQ
MLD
XRST
MOMU
STAT
MCLK
MDATA
BLKCLK

OPSW
CLSW
UPSW
DW SW
DCNT
TPSW
OPN
CLS
CCW
CW
CNTT

MLD

MOMU

MCLK

DWSW

OPN

CLS

CCW

GCTL

SQCK

SUBQ

XRST

STAT

MDATA

REST

CD+5V

SW5V

M.GND

M+8V

OPSW

CLSW

UPSW

DCNT

TPSW

CW

CNTT

BLKCLK

D.GND

OUT.R

A.GND

OUT.L

To I-6
on page 2-3

To H-6
on page 2-3

To I-6
on page 2-3

To J-5
on page 2-3

To H-6
on page 2-3

CD SIGNAL

1

BCDEFGH I JA

2-4

FL display and CPU section

MX-K3

S1007

CD

S1008

CD1

S1009

CD2

S1010

CD3

S1011

EJECT

S1012

DISC

S1013

DECK A/B

S1014

TIM /CLK

123

0.01

C1002

SW PW B (1)

JP701

YES
YES
Nil
Nil
Nil
Nil
Nil
NIL
YES
YES
YES
YES

YES
YES
YES

ECO M O DESeting

R726
( 10K )
( 10K )
10K
10K
10K
10K
10K
( 10K )
( 10K )
( 10K )
( 10K )
( 10K )
( 10K )
( 10K )
( 10K )
( 10K )

0.01

C1001

2
1

J
C
E
B
EN
EE
EV
A
US

VERSION

UP
UX
UY
UW
UT
UB Hong Kong
UJ US Mil

FW 702

VERSION

USA
CANADA
EUROPE
UK
NORDIC
RUSSIA

EAST EU RO PE

A us traria
Sigapore
Korea

Saudi A rabia

Argentina

Latin A m erica

Taiw an

1
2
3
4
5
6
7
8
9
10

FW 701

FW 702

2
1

GND1OUT2VCC

C715

0.001

R1008

680

680

R1001

680

R1002

820

R1003

1K

R1004

1.5K

R1005

Note2

R1006

S1015 S TO P

680

R1017

680

R1018

820

R1019

1K

R1020

1.5K

R1021

2.2K

R1022

2.7K

R1023

5.6K

R1024

12K

R1025

LED1001

S1001

POW ER

S1002

TAPE

S1003

AUX

S1004

BAND

S1005

CANCEL

S1006

R1007

Note2

S1016

TUN -

S1017

TUN +

S1018

PRESET-

S1019

PRESET+

S1020

ROCK

S1021

CLASSIC

S1022

POP

S1024

ECO

R1006

Nil
Nil
18K
18K 8.2K
18K 8.2K

6.8K
18K 8.2K
12K

4.7K
12K 1.5K
Nil Nil
Nil Nil

4.7K JW

4.7K

4.7K JW

4.7K JW

IC702
IR-UNIT

3

+

C716

6.3V47

red

SET

R1007

S1025

REC

S1026

DUBBING

S1027

CD REC

S1028

REPEAT

S1029

PROGRAM

S1030

RONDOM

S1031

DISPLAY

S1032

PTY/EON

S1033

SELECT+

S1034

SELECT-

Nil
Nil

8.2K

820

1.5K
JW

JW

R1009

R1010

R1011

R1012

R1013

R1014

R1015

R1016

SW 1001

680

680

820

1K

1.5K

2.2K

2.7K

5.6K

12K

R1016

680

680

820

1K

1.5K

2.2K

2.7K

Note2

JOG

R1026

R1027

R1028

R1029

R1030

R1031

R1032

R1033

R1034

Nil
Nil
18K
18K
18K
18K
18K
Nil
Nil
18K

5.6K
18K
Nil YES
Nil
Nil
Nil

7

FL701 V AC UU M FLU OR ESC ENT DISPLAY

R792 330

RDS

RA 707 47K

10

TA

11

RA 708 47K

C707

39P

EON

NEWS INFO

13

12

P10

RA 709 47K

RA 710 47K

RA 711 47K

P10

P11

68

P969P870P771P672P573P474P3

C701 0.1

X701

8.0M Hz

C709 22P

+

J/C/UX =11Pin

E=12Pin

CN 701

1
2
3
4
5
6
7
8
9
10
11
12

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

CN 702 FFC-22P
RDS ON LY (21/22P)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

CN 703
FFC-23P

FL2

-35V
FL1
DG
SM UTE
PCNT
SPK
PRT

6

5

4

IN H

TO POWER PWB

SFTY

To A-5 on page 2-6To J-6 on page 2-3To I-7 on page 2-3

5V6
(A CSW )

FTU
MPX
AHB
EXCE
SDO
SDI
SCK
TUCE
XRST
FCD
REST

TO MAIN PWB

MOMU
MLD
SUBQ
SQCK
VCK
VDAT
STAT
BLKCK

GCTL
(RD CK)
(RDDI)

OPN

CLS

CW

CCW

CNTT

OPSW

CLSW

UPSW

DW SW

DCNT

TPSW

MCLK

MDATA

TO MAIN PWB

TPA

TPB

DETA

DETB

LVL

RECM

PBM

SW 5V

(K O K )
(E C H O )

UX VERSION ONLY

3

+

C719 50V22

C718 50V22

R1039 120KR1040 120K

2

R1037 22KR1038 22K

SM UTE
PCNT
SPK
PRT
IN H
SFTY

ACSW

FTU
MPX
AHB
EXCE
SDO
SDI
SCK
TUCE
XRST
FCD
REST
MOMU
MLD
SUBQ
SQCK
VCK
VDAT
STAT
BLKCK
GCTL
RDCK
RDDI

OPN
CLS
CW
CCW
CNTT
OPSW
CLSW
UPSW
DW SW
DCNT
TPSW
MCLK
MDATA
TPA
TPB

LVL
RECM
PBM

KOK
ECHO

DETA1

DETB1

C717 0.1

L707 10u H

R1047 47K

R713 47K
R715 47K

R718 47K
R1069 47K
R1070 47K
R1071 47K
R1072 47K
R1073 47K

JP701

Q714

KTC 3199

Q715

KTC 3199

SPK
FCD

FTU
PCNT
AHB

R726 10K

REST

C740
100P

RECM
PBM

KOK

ECHO
OPN
CLS
CW
CCW
CNTT

OPSW
CLSW
UPSW
DW SW
DCNT
TPSW

R1048 10K

RDDI

SUBQ

SQCK

SDO

SDI

SCK

R760 2.2

L702 10uH

R707 1K
R732

R709 1K
R710 1KR1060 47K
R711 1K
R781 1KR783 47K
R712 1K
R714 2.2K

R716 2.2K
R717 1K
R719 2.2K
R720 1K
R722 1K
R724 1K

R727 1K
R728 1K
R729 1K
R730 1K
R731 1K
R733

R734 4.7K

R1061 1K
R736 100

R737 100
R738 220
R739 220
R740 220

C702 6.3V220

R741 330

D701

1SS133

D702

1SS133

D703

1SS133

4

2

1

NP

P1P2P3P4P5P6P7P8P9

F1

F1

47K

RA 701

RA 702 47K

P3P4P5P6P7P8P9

75

76

P2

P2

P1

77

P1

78

1K

4.7K

SPK

79

FCD

80

FTU

81

PCNT

82

AHB

83

RECM

84

PBM

85

KOK

86

ECHO

87

OPN

88

CLS

89

CW

90

CCW

91

CNTT

92

MODL

93

OPSW

94

CLSW

95

UPSW

96

DW SW

97

DCNT

98

TPSW

99

REST

100

VPP

98765

47K

RA 703 47K

RA 704

RA 705 47K

RA 706 47K

RDDI1SUBQ2SQCK3SDO4SDI5SCK6SHFT7VDD8OSC29OSC110VSS11XI12XO13MMOD14VREF-15KEY116KEY217KEY318KEY419TPA20TPB21LVL22SFTY23VREF+24ACSW

+

C703

6.3V220

C704

6.3V220

L703 F.B

+

+

Q704

2SC2668

R742 2.2K

C705

0.001

PBC

MONO

RANDOM ALL

ST

17

16

15

14
P11

P12

P13

P14

RA 712 47K

RA 713 47K

RA 714 47K

RA 715 47K

P12

P13

P14

P15

IC701
MN101C35D

X702

32.768KH z

C711

Q705

2SC2668

C708

33P

C710 22P

REPEAT

PRGM

18
P15

47K

RA 716

P16

P1662P1563P1464P1365P1266P1167P10

22P

C712

1CD

22

21

20

19

1G2G3G4G5G6G7G

P16

RA 718 47K

RA 719 47K

RA 717 47K

1G2G3G4G5G6G7G

61

2.2K

R745

R744 220

KEY1

KEY2

22P

R743 2.2K

R749 4.7K

C706 0.001

C713 0.1

24

23

RA 720 47K

RA 721 47K

2.2K

R748 2.2K

R746

R747 2.2K

KEY3

KEY4

4.7K

R752 4.7K

R751

R750 4.7K

1

kHz

SLEEP

DAILY

REC S.MODE

26

25

2728293031
8G

RA 722 47K

RA 723 47K

RA 724 47K

RA 725 47K

8G

G9

G953G854G755G656G557G458G359G260G1

2.2K

R755 2.2K

R754 2.2K

R753

TPA

TPB

LVL

SFTY

A

10G

9G

RA 726 47K

G10

G11

52

25

R756 2.2K

ACSW

2

MHz

B

11G

RA 727 47K

G1151G10

G12

G13
SM UTE

MOMU

MPX

TUCE

VOL-

VOL+

DETB
DETA

VCK

VDAT

STAT
RDCK

IN H
PRT

BLKCK

REM

XRST
GCTL
EXCE

MCLK

MDATA

MLD

RESET

R761 47K

R757 1K

R1042 56K
R1041 56K

R1064 12K

R1043 47K

3

Q701

REC

BASS

NP

32

34

35

13G

12G

50
49
48
47

46
45
44
43
42
41

40
39
38
37
36
35

34
33
32
31
30
29
28

27
26

F2

F2

RA 728 47K

RA 729 47K

R791 100
R790 1K

R789 2.2K
R788 1K
R785 2.2K
R784
R782 2.2K
R780 2.2K

R775 1K
R778
R1065
R725
R773 2.2K
R772 2.2K
R1067

R770 2.2K
R769
R721
R723 220
R1063 220
R1062 220

R771 220

2.2K

1K

1K

330

1K

1K
1K

KTC 3199

R759 2.2

R704

G9

R701

R1074 47K

SM UTE
MOMU

R1075 47K

MPX
TUCE

DETB1
DETA1

VCK
VDAT
STAT
RDCK
IN H
PRT

BLKCK

XRST

GCTL

EXCE
MCLK
MDATA

MLD

9G

10K

47K

C721

150P

R786

R787 10K
R776 10K
R779 10K
R1066 10K

R774 1.8K
R768 100K
R1068 10K

R777 47K

10K

Q702

KTC 3199

G10

Q703

10G

R705

10K

R702

47K

KTC 3199

R706

G11

R703

R708 10K

KEY4
KEY3
KEY2
KEY1

11G

10K

47K

L701 22uH

C720 150P

Q712

DTA114Y S

Q711

DTA114Y S

1
2
3
4
5
6
7
8
9

10
FW 701

+

R758 2.2K

C723 50V1

C714 0.01

Q713 DTC 114YS

D705

1SS133

Q707

DTC114YS

S1023

A.BA SS

1

CONTROL PW B

BCDEFGH I JA

2-5

Main amp. and power supply section

MX-K3

7

6

FL2

-35V
FL1
DG
SM UTE
PCNT
SPK
PRT
IN H
SFTY

TO CONTROL PWBTO MAIN PWB

To A-6 on page 2-5To J-4 on page 2-3

5V6
(A CSW )

5

R-OUT
A.G
L-OUT

5.6V
D.GND
MGND
B.CTL
SFTY
CDA.GND
9V
TUGND

4

VERSION

USA
CANADA
EUROPE

UK
NORDIC

RUSIA

Austraria
Sigapore

Korea

Argentina

JP901

SUB.POWER

VERSION

J
C
E
B
EN
EE

EAST EUROPE

EV
A
US
UP
UX

Saudi Arabia
UY
UW

Latin America
UT

Taiwan
UB Hong Kong
UJ US Mil NIL 10NIL

CN 901
FFC-12P

1

F2

2

-35V

3

F1

4
5

SM UTE

6

PCNT

7

SPK

8

PRT

9

IN H

10

SFTY

11
12

ACSW

CN 902
FW -11P

1
2
3
4
5
6
7
8
9
10
11

BOARD

NIL
NIL
YES
YES
YES
*YES
YES
NIL
NIL
NIL
NIL
NIL
NIL
NIL
NIL

INHIBIT
CIRCUIT

NIL
NIL
YES
YES
YES
*YES
YES
NIL
NIL
NIL
NIL
NIL
NIL
NIL
NIL

CN982

JP901

1

0

1

0

0

1

0

1

0

1

*0

*1

0

1

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

Q203
KTC 3199

R117 2.2K

R118 4.7K

Q103
KTC 3199

R119 10K

R219 10K

R218 4.7K

R217 2.2K

C118 25V4.7

+

IC304 STK 402-070

+

C218 25V4.7

!

NF 2

SUB G

PRE-VSS

OUT2-

OUT2+

VCC

OUT1-

OUT1+

BIAS

PRE-VCC

NF-1

C119

470P

15

IN 2

14

13

12

11

10

9

VSS

8

7

6

5

4

3

N.C

2

1

IN-1

C219

470P

C120

220P

0.22-2W U N F.M F
R126

0.22-2W U N F.M F
R125

R138 1K

0.22-2W U N F.M F
R226

0.22-2W U N F.M F
R225

R238 1K

R235 10k

220P

C220

R120 56KR220 56K

+

C121

R121 1.5K

R123

C123 10P

!

!

!

!

R251

R223 47K

C223

R221

1.5K

+

C221

50V47

50V47

47K

R151 15K

15K

10P

R124

1SS133

R224

1.5K

D332 1SS133

1.5K

C124

50V100

!

C224

50V100

R227

+

D331

1SS133

Q105 KTC3199

KTC 3199

R136 1K

Q336

R314 470K

C352 50V1

+

R313 470

R236 1K

C353

+

Q337
KTC 3199

Q205

KTC 3199

16V47

R234 10K

Q332

R127

L101 5uH

R128 22

R129 22

R229 22
R228 22

L201 5uH

D333

1SS133

R383 47K

150-1/4W

R150 22

KTA 1268

C125

0.1-M

C126

0.1-M

R13022R230

R131 10K

R231 10K

+

C351 25V10

R134 10K

!!

R132

390-1/4W U N F.F

390-1/4W U N F.F

R133

R232

R233

390-1/4W U N F.F

!!

390-1/4W U N F.F

R137 100K
R237 100K R385 100K

Q307

KTC 3199

C225

0.1-M

C226

0.1-M

22

R152 XX

22

R250

C381 0.022

D304

R384

10K

Q333

DTC114YS

R382 22K

R381 100K

Q331
KTC 3200

+

Q104

KTA 1267

150-1/4W

!

Q204

KTA 1267

R139 10K

R239 10K

PCNT

R315 2.2K

R386 10

R387 15

C354
16V22

+

D916

1SS133

C906

50V3300

RY301

+

12V

Q338

KTC 3199

PRT

!

D326

1SS133

D327

1SS133

Q334 D TA 114ES

Q335

DTA114ES

C390

6.3V220

C904

D325 1SS133

R388 2.2K

Q339
DTC114YS

+

R391

2.2K

TS6B 02G

0.068-M

SM UTE

D901

J303

SP-L +

SP-L ­SP-R ­SP-R +

SPEAKER OUTPUTTo HEADPHONE

R389 10K

+

C355 25V2.2

SPK

R390
560

CN 1101

4

SW

3

L

2

GND

1

R

!

C905

!

R901 4.7K

C911 25V4700

C915 50V22

D909 1SS133

C916 25V10

D908 M TZ6.2J

50V3300

!

+

C903

0.068-M

0.068-M

+

1N4001

1N4001

D906

1N4001

C901

0.068-M

CN 951

1

S1

2

S1-GN D

3

C907 0.1C909 0.1

!

C912

63V47

R902 100 1/4W U N F.F

S1

4

S2

5

S2

6

S3

7

S3

8
9

F1

F2

S4
S4

To SECONDARY

To A-5 on page 2-7 To E-3 on page 2-7

C902

!

!

D902

D903

1N4001

C908 0.1C910 0.1

+

D904

D905

1N4001

! !

+

C913

D907

C914

+

50V22

M TZ33J

R903

2.2K

0.01

Q901

2SA 934

R906 10K

R904 100

R905 100

Q907 2S B1375

Q911

ACSW

3

123

4

CN 982

IN H

+

D912 M TZ12B

KTC 3199

Q909

DTA114Y S

C921 16V100

C920 0.1

Q912

DTC114YS

D913 M TZ11B

25V10

+

C922

PCNT

2

1

R914

1

R915

1

R916

R917 1K

Q908

KTA 1267

Q910

DTC114YS

SFTY

10V100

+

R913 470

D915 M TZ6.8B

C919

D911

22K

3.3K

R910

R911

IN H

Q904

2SB1375

R909

47K

M TZ5.6A

C918

0.01

Q906

KTC 3199

DTC114YS

Q903

Q902
DTC114YS

2.2-1/4W U N F.F

!

Q905

KTC 3199

470

R912

INHIBIT CIRCUIT

1K

R907

R908

!

+

+

C917

D910

50V2.2

M TZ6.2J

-35V

1

CD/TAPE PLAY SIGNAL

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

BCDEFGH I JA

2-6

MX-K3

Power transformer section

7

J/C Version 120V 60Hz

R951

3.3M 1/2W

!

6

16

T951

15

FW951

1
2

To I-3
on page 2-6

5

3
4
5
6
7
8
9

!

F952 1.6A 250v

14
13

12
11

10
9

8

EI-66

5

!

6

2

!

F951

2A 250V

AC-PLUG

4

Head phone section

J1053
VMJ4026-001

3

C1053

C1054

0.001

HEAD PHONE JACK

**

L1051 47uH

L1052 47uH

0.001

0.001

C1052

0.001

C1051

1
2
3
4

To I-6
on page 2-6

FW1051

ROUT
GND
LOUT
SW

TO MAIN PCB

2

L1053 F.B

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

1

BCDEFGH I JA

2-7

Printed circuit boards

Main circuit board

7

6

5

MX-K3

(TRAY SW PCB)

(PICK UP SW PCB)

(TABLE POS. PCB)

(DISC COUNT PCB)

4

(TURN TABLE MOTOR PCB)

3

2

(MAIN PCB)

1

BCDEFGH I JA

2-8

Control/FL and Switch circuit board

7

6

5

(ACTIVE BASS EX. SWITCH PCB)(CONTROL/FL PCB)

MX-K3

4

3

2

1

(HEAD PHONE PCB) (SWITCH PCB)

BCDEFGH I JA

2-9

MX-K3

Power amp. and Power supply circuit board

7

6

5

4

3

2

1

BCDEFGH I JA

2-10

MX-K3

Power trans. circuit board

7

6

5

4

3

2

1

BCDEA

2-11

MX-K3

MEMO

2-12