Kenwood KMD-300, KMD-300GD2 Schematics

A B C D E

3

V

5

0

53

AVD1

01

2 3 4

10

1

KMD-300/GD2

1

MPU1 (X92- )

2

3

4

5

6

7

IC1 : CXA2523AR IC2

IC8 : TC74HCT7007AF IC9 : 780076YGK-R14 IC10

CN1

VCC

20

J

19

B

18

A

17

VC

16

I

15

F

14

C

13

D

12

E

11

VEE

10

ILCC

9

LDGND

8

VR

7

R1

RM

6

4.7K

NC

5

FCS-

4

FCS+

3

TRK-

2

TRK+

1

: S-817A25ANB : CXD2667RIC3 : L88M33TIC7

: BR24C02FV-W or M24C02WDW6T : S-24C01AFJAIC11 : BA5983FMIC12 : LB1930MIC13-15 : TC7SHU04FUIC16

3.3V

1.65V

C3

0.01

11 12 14 13

Q1

LD APC

R64 18K

76

R65 18K

77

R66 18K

64

R70 4.7K

C57 2200P R67

18K

65

R71

4.7K

15

C59

0.1

MD UNIT (X33-3170-00)

R10 33K

p-p

MORFI

3.3V

TEMPI

RFO

0.16V

TEMPR

28

27

26

25

24 23

22

21 20

19

18

17 16 15

D1 : DAN202U or

MA142WK

D3 : MA8056-M

C9

0.01

C10

0.022

2.15V

0V

1.30V

OPN

OPO

ADDC

COMPP

0.36V p-p

0.15V p-p

p-p

IC1

RF MATRIX AMP.

0.40V

SWDT

SCLK

XLAT

XSTBY

1819202122

R8 10K

71

72

73

15

R76

C62

R72

4.7K

33K

0.022

R77 33K

R73 4.7K

C63 0.022

C64

0.022 R74

4.7K R78

R80 20K

16K

R79 16K

C65

R75

4.7K

0.022

0V

4.2V

5.0V

2.20V

RF

3.3V

COMPO

FOCNT

R13

D1

1.13V

13K

28

27 26 25

C11

AGCI

p-p

VREF

R9

114

113

Q5

R81 20K

R53

0.1

1.16V

R14

4.7K

RFAGC

13K

91K

SIGNAL LINE GND LINE +B LINE

ARF

37

RF

1.16V

PEAK

1.74V

1.30V

0.7Vp-p

0.39V

EQADJ

3TADJ

23

R15

13K

112 111

C61

0.1

C60

0.1

C74

10

1.60V

1.68V

24

C16

C15

R18 100 4700P

80

81

36

BOTM

35

ABCD

34

1.30V

FE

33

AUX

32

ADFG

31

1.21V

ADAGC

30

ADIN

C17 4700P

29

ADFM

SE

28

SE

C18 0.22

27

CSLED

TE

1.60V

26

TE

0.39V

R19 56K

25

WBLADJ

VCC

C13

4.7

C14

0.01

3.3V

R24 47K

Q3

DISC REFLECTION OPTICAL QUANTITY DETECTOR

L1

C73

2.2

0V

Q11

4.7K

Q5

SIDE DRIVE MUTE

+

C66

220u6.3

C72

R23 47K

R20 100

R22 680

Q10

C67

D3

82

10u10

Q9

0.1

Q7

FE

+

R107

0V

C98

1000P

3.3V

4.7K

C4 10u10

83

R21 330

3.3V 0V

C19

1

91

92

5.0V

3.3V AVR

4.7K

2 3 4

5

R55 200

4.7K

+

IC7

1

VIN

GND

VOUT

Q7,8,9,10

5V AVR

Q8

C36 0.1 C39 0.1 C40 0.1 C43 0.1

71 72 73

76 77

BUFFER

16

46

35 62

45

6.5V

10K

1

C68

61 62 63 64

64

65

66

0V

67 68 69 70

71

3.3V

72

3.3V

73

3.3V

74 75 76

77 78

2.5V

79

ABCD

80

81

82

83

AUX

R37 100

84

C37

R36

10K

0.01

85 86 87 88 89

0V

90

3.3V

1.60V

91 92

DISC REFLECTION DETECTION

Q3

R35

C33 1

0.1

C27

C35

C28

IC8

114

0V

2 312

3.3V 0V

411

0V/5V

510

3.3V 0V

6

0V/5V

78

GND

0V

15

R82

10K

5

4

IN2

SGNDPGND

OUT2

7

6

7

2.2

C69

DO/FOK D2 D3 FFDR FRDR MVCI ADFG VDI02 VSI02 FOCNT XLRF CKRF DTRF APCREF LDDR TRDR

TFDR VDC2 VSC2

PEAK BOTM ABCD FE

AUX1

VC ADIO ADRT AVD2 AVS2 ADRB

SETEAUX2

91

390K

4.7

R43

100K

R83

10K

3

8

92

R34 680

1.35V

VCC

IN1

NC

Q1 : 2SB1295 Q2,4,8 : DTA114EUA or

UN5111 Q3 : 2SC4116(Y) Q5 : FMG3A Q6Q7: 2SA1576A or

2SB1218A

: DTC143EUA Q9 : 2SC4081 or

2SD1819A Q10 : 2SB1202 Q11 : DTC143EUA

VC

R17 47K 0.1

0.36V

C5

10u10 +

1.42V

1.50V

1.57V

R2 470K

10

0.10V

2.35V

C6

0.022

12

R6

470K

R7

4.7K

R12

5.6K

Q1

R5

150

C1

1000P

1

C12

1

BIAS IN

R68 4.7K

C55 2200P

2

IN1+

3

IN1-

R69 4.7K

4

C56 2200P

OUT1

5

IN2+

6

IN2-

C58

2200P

7

OUT2

GND

8

0V

GND

9

STBY(1-3)

10

5.0V

POWV(1,2)

11

V02-

11

12

V02+

12

13

V01-

14

V01+

IC12 IC13

IC12

C7

1

I

1.75V

2

J

3

VC

1.65V

4

A

5

B

6

C

7

D

8

E

9

F

PD

11

APC

0V

0.10V

APCREF

1314151617

C8 0.01

R16 150

IP1IP2

R4

4.7 R3 100K

C2 10u10

+

Q2

10K

LD

SW

1.65V

1.53V

1.33V

1.65V

1.58V

1.33V

1.58V

STBY(4)

3.2V

POWV(3,4)

2.63V

2.38V

2.0V

2.61V

2.38V

4ch BTL DRIVER

0.1

4847464544434241403938

MORFO

GND

IN4+

IN4-

OUT4

IN3+

IN3-

OUT3

GND GND

V03-

V03+

V04-

V04+

60595857565554

DI/GFS

0V

3.3V 0V

0V

1.30V

1.16V

1.74V

1.30V

0V

1.65V

1.8Vp-p

DCHG

9394959697

3.3V

L2

13

5.0V

9

18

Q5

1

2

NC

VCC

NC

OUT1

9

10

9

A09

XWE

DVSS

XRAS

XCAS

DVDD

2.5V

3.3V 0V

1.65V

3.3V 0V

3.

APC

DDIN

DDOUT

ASYO

ASYI

99

98

100

3.3V

R31 10K

C23 0.47

R27 100K

C22

0.01

3.3V

0V/5V

3.3V

R84

44

0V

14

0V

13

0V/5V

10K 4

IN2

OUT2

3

I

C51

0

14

R85

10K

2

3

NC

IN1

OUT1

9

8

4

5.0V

3.3V

5

SGND

PGND

6NC7

2.2

C70

X33-3170-00 (1/3)

14

JIHGF

57

DDOUT

KMD-300/GD2

C52

+

4.7u16

565554535251504948474645444342414039383736

A09

XOE

XWE

XRAS

XCAS

V

0V

1.65V

3.3V 0V

3.3V

ASYO

ASYI

AVD1

99

98

100

R31 10K

C23 0.47

R27 100K

C22

0.01

C24 100P

IC11

V

5.0V

44

.3V

0V

2

14

62

0V

0V/5V

3

0.1

C51

4

0V

1 2 3

4

V/5V

.3V

IC10

14

R85

10K

2

4

3

1

NC

IN1

IN2

VCC

NC

OUT1

OUT2

9

7

8

10

IC14 IC15

3

4

A11

VSI01

1.13V p-p

0.75V

BIAS

RFI

101

102

R25 680K

EEPROM(1K)

IC11

A01VCC

TEST

A1 A2

SCL

SDA

GND

5.0V

A0

VCC

TEST

A1 A2 GND

SCL

5.0V

SDA

5

6

2.2

C71

A08

A06

A07

DIGITAL SIGNAL PROCESSOR

0V

AVS1

PCO

103

105

104

R28

1.56V

3.3K

C21

1K

R26

0.47

8 7

0V

6 5

EEPROM(2K)

8 7

0V

C

D

6 5

SERVO

R86

R87

10K 4

IN21 OUT2

SGND

PGND

7

A05

A04

IC3

1.85V 2.5V

FILI

FILO

106

1.85V

LDS

CP12 100

13

16

10K

NC

IN1

OUT12

NC9NC VCC

8

A10

1.56V

(3.3Vp-p)

CLTV

107

R30

R29 1K

C25

0V/5V

132

10

A01

A00

A02

A03

VDIO1

3.3V

0V

VDC3

VSC3

FS4

SRDR

111

109

108

110

150

111

0.015

C26

0.1

C45

SDA

SCL

14 13

0.1

C46

CP4

4.7K

8 7

FS256

0V

SFDR

112

113

112

1

13 14 15

IC13,14,15

MOTOR

DRIVER

XBCK

SPRD

113

C30

11

3.3V

114

0.1

LRCK

0V

SPFD

114

7 8

CP5 100

3.3V

115

DADT

0V

FGIN

C47

C53

+

4.7u16

0V

3335343231

XINT

VSCI

VDC1

DOUT

MTFLGL

2.5V

3.3V

0V

1.5Vp-p

3.3V 0V

GFS/SLD

MTFLGR/TRK

YEST3

TEST1

TEST2

FOK/FCS

119

116

117

118

120

0.1

C41

C42

C44

1 2 3 4 5

CP6

6

100

7

5.0V

8

5.0V

9

0V

0.1

10

5.0V

11

0V

12

5.0V

13

14

15

5.0V

16

5.0V

CP8 100

18

16

DAVSSR

VREFR AOUTR

DAVDDR

DAVDDL

AOUTL

VREFL

DAVSSL

VSIOSC

OSCO

OSCI

VDIOSC

DATAI

TYPE2

SQSY

XRST

SENS SRDT

VSCO

XLAT

SCLK

SWDT

MNT3 MNT2 MNT1 MNT0 VDC0 VSI03

VDI03

0.1

C38

CP13

E

DEEM CSN CCLK CDT1 NC NC ESDA ESCL

VSS0

VDD0 P-ON

LDON MSDA MSCL AMUTE XRST

0V/5V

+2.5V AVR

64

0V

30 29

0V

28 27

C93

0.1

26 25 24

0V 0V

23

0V

22 21

20 19

18

3.3V

17 16 15

3.3V

14 13

CP1 10K

12

0V

11 10 9 8 7 6 5 4

2.5V

3

0V

2

3.3V

1

4

IC2

NC

VSS1VIN

0V

62

0V

63

6261605958

TEST0

TESTE

0V/5V

XLAT

SRDT

SWDT

17

1819202122

19

17

2.5V

3.3V

C31 4.7 C20 0.1

0V

SENS

SCLK

20

16 15

14 13

11 10

9

3

2

TYPE2

C1 COUNT

0V/5V

FLRxD

VOUT

L3

56

CP7 100K

0V

5756555453

TYPE1

M REM

5.0V

IC9

MD MECHA MI-COM.

5.0V

FLTxD

LOE/LIMSW 23 1K

R45

R44

4.7K 23

35

C94

0.01 C32

0.01

SDMUTE

AUDIO INV

VDD1

252627

24

0V

R103

68

L6L5

0.1

C97

0V

4M/16M

SE MNT

AGC PASS

0V/5V

5.0V

MECHA SELNCNCNCNC

AVSS

2829303132

0V

C48 0.1

Q4

SIDE DRIVE MUTE

3.3V

4

IC16

15

3

2

0V

R106

9

19

0V

10

20

0V

525150

IVRTBAL

0V

R40 10K

PASS

0V

11

17

0V

NC

CP3 1K

15

TEST3

0V

1K

CP2

2.2K

0V

LADJ1

0V/5V

3.6Vp-p

5.0Vp-p

5.0V

AUX1/NC

Q4

Q5

0V

49

1000P

15

16

CP9 100K

0V/5V

C96

1Vp-p

CP10 100K100K

LOEJ IN

SQSY

MSTOP

VSS1

0V

MRST

AVCON

AVREF

10K

56

XINT

FZC

VPP

XT2

HOT

11

3.3V 0V

RMCK

5.0V

43 36

SCL

SDA 16 15 14 13

12

11

10

9 8

7

6 5 4

6.5V

25 26 12 11 10

1 2 3 4

8

7 6 5 4

9 7

28 2756 26 25

CN6

30 RMCK

29

DGND

28

DOUT

27

DGND

26

AVREF

25

LPS

24

DGND

23

DGND

22

BU5V

21

MSTOP

20

MRST

19

AMUTE

18

M SCL

17

M SDA

16

M0

15

M3

14

M2

13

M1

12

SS3 SW

11

SS2 SW

10

SS1 SW

9

PS SW

8

LS SW

7

MS SW

6

FS SW

5

CS SW

4

OS SW

3

S6.5V

2

SGND

1

SGND

CN2

1

GND

2

LPS

3

AVREF

4

SS3

56SS2

SS1

CN3

10

M1-

9

M1+

8

M2-

7

M2+

6

LS

5

GND

4

MS

3

FS

2

CS

1

OS

CN4

2

M3-

1

M3+

CN5

723SLED-

SLED+ SPDL-

4

SPDL+

3

TS TOC-SW GND

2

PS

1

C95

1000P

1K

R105

DGND

DOUT

26 25

L4

C50

4.7

0V

CP11

48

NC

47

FG

46 45 44

5.0V

43

5.0V

42

X2

8.38MHz

41

X1

40

X2

39

5.0V

38

XT1

37 36 35 34 33

1.50V

10K

P ON SW

R41

1K

100K

46 45 44

R4813

43

100

0.1

R51

C49

100K

36

R47 10K

TH1

9

Q6

R42

10K

X33-3170-00 (2/3)

15

KMD-300/GD2

S

ONMLK

1

K

D T D EF

D D

V

OP T

TE CL DA

SW SW SW

W

W SW

W

W V D D

EF

DD+

LL+ OC-SW

SS1

SS2

SS3

AVREF

LPS

GND

M1+

M2+

GND

M3+

SLED-

SLED+

SPDL-

SPDL+

TS TOC-SW

GND

DTA144EUA

2SB1202 FMG3A 2SC4081 DTC114YUA UN5111 UN5213 UN5214 2SA1576A 2SB1218A 2SB1295 2SC4116 2SD1819A

DTA114EUA

S-24C01AFJA DAN202U

2

DTC143EUA DTC144EUA

X25CN100

3/3

A

DAP202U

SS1 SS2 SS3

+

C700

10u10

M1-

M

M1+

LS

MS

FS

M3-

M

M3+

TS TOC-SW

MS6

MS8 MS9 MS10

MVR1

MM3

LOAD/EJECT

MS5

MS4

MS3

MM5

ELEVATOR

M2-

1

MM4

MODE

M

CHANGE

M2+

2

MS2

CS

BLU RED WHT

M

1

2

MM2

SLED MOTOR

SLED-

SLED+

MM1

SPINDLE MOTOR

SPINDLE-

SPINDLE+

PS

MS7

MS1

OS

CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).

Indicates safety critical components. To reduce the risk of electric shock, leakage-current or

resistance measurements shall be carried out (exposed parts are acceptably insulated from the

1

2

3 4

5 6

M1-

10

9

M2-

8

7

LS

6 5

MS

4

FS

3

CS

2

OS

1

M3-

2

1

2

3

4

5 6

PS

7

DA204U

TC7SH08FU CXA2523AR TC7S00F

PST9142NR

LB1930M L88M33T SN74LV74APWR

MA142WA MA142WK MA143

TC7SHU04FU

TC74HCT7007AF TC74HC04AF TC74HC32AF

TC7WH123FU

3

4

5

6

supply circuit) before the appliance is returned to the customer.

X33-3170-00 (3/3)

16

KMD-300 (1/3)

• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.

7