Kenwood X92-4400 Schematics

A B C D E

S
C

P

3

0

3

0

3

0

3

0

3

X92-4400-0x/4730-0x
X92-4740-0x/4750-0x

1

2

DVD PD GND

VPU1

LASER
PICKUP

DVD LD GND

3

4

VM3

LOADING MOTOR

M

5

6

VM2

FEED
MOTOR

VM1

SPINDLE
MOTOR

M

ELECTRIC CIRCUIT
MODULE
(W02-3408-05)

DISC LOAD SW

S2 (B)

S3 (C)

S1 (A)

S4 (D)

M

1

2

3
4

DVD UNIT (X37-1020-0x)

CN1

ACT T -

1

ACT F+

2

ACT F-

3

ACT T+

4

DVD VCC

5

DVD VC

6

7

DVD D

8

DVD A

9

DVD RF

10

DVD B

11

DVD C

12

DVD LD

13
14

DVD HFM

15

DVD MD

16

DVD VR

17

∗

CD VR

18

CD MD

19

CD LD

20

CD GND

21

CD VC

22

CD VCC

23

CD A

24

CD B

25

NC

26

NC

27

NC

28

CD E

29

CD F

30

TP39

LOAD+

TP40

LOAD-

CN2

B+

4

B-

3

A-

2

A+

1

TP29 TP28

CN3

V

11

W

10

U

9

H-

8

HU-

7

HU+

6

HV-

5

HV+

4

HW-

3

HW+

2

H+

1

CN5

1

SW B

2

SW C

3

SW AD

4

GND

TP64

TP65

TP66

TP67

R123

CD E

TP80

TP81
CD F

40

39

37

41

C1

10

TP78
B

8.2

DVD LD

R126

R127

∗

CD LD

TP91

∗

R15

20

35

36

A+

TP27

UV

TP32

29

TP33

28

TP34

TP31

31

TP35

30

TP36

33

TP37

32

H+

TP38

26
27
25

TP92

D1

C23

100K

D2

100K

C24 0.1

∗

∗

CD
APC

∗

Q1

63

57
62

64
102
101

D3

TP30

H-

FG SIGNAL
INVERTER

R56

82

C77

C22

0.1

TP76
D

R6
10

0.1

TP2

IOP-

Q2

DRV1.65

TP68

R46

7.5K
R117

TP70
SLD2 SLD1

D4

W

Q15

47K

0.1

D6

TP93

TP75

R47
10K

TP69

Q6

TP77

A

C

R3 10K

3.3V

TP26
A-

D5

10K

R57

390

GND

RF

TP74

TP79

TP1

R16

6.8

R4 10K

66

CD B

CD A

VREF1

TP96

C2 0.1

C4 10

R103 22

R104 22

R105 22

R106 22

R17

2.2

7.2V

C73

0.1

1.65V

1.65V

C1141R487.5K

2.2

0 - 3.3V
0 - 3.3V

TP24

B+

TP25

C1151R53

2.2

R54 0.47

1/2W
65

C74 10
C138 10
C75 0.01
C76 0.01

R55 82

5V
AVR

B-

C25 10

∗

0V

C135

5P

R121

10K

R122

10K

C136

5P

C3 10
C5 0.1

R5

4.7

C110

47P

C111

47P

C112

47P

TP3
IOP+

Q2

R128 4.7K

∗

0V

0V

0V

3.3V

C113

DVD
APC

R129

C26 10

DVD MDCD MD

4.7K

47P

TP94TP95

IC6

1
2

3
4

5

6
7
8
9

10

11

12

13
14

15

16
17
18

19
20

21
22
23

24
25

TP84

2.48V

2.02V

2.2V

49

2.2V

50

2.2V

51

2.2V

52
53
54

55

4.9V

56

2.2V

57

2.2V

58

2.2V

59

2.2V

60

2.2V

61

0V

62

2.2V

63

2.2V

64

1.65V

Q4

47K

10K

VCCS
MUTL

INLD
VROUT

RFSD1

7.2V

MUTS
ISD2
ISD1
VGND

OSD1+
OSD1­OSD2+

OSD2-

0V

RFSD2

7.2V

UOUT
VOUT
WOUT

RFSPL
SS

7.2V

VSSPL

4.2V

FIL1

3.3V

FIL2
FG

HB

0.85V

ACTUATOR/
MOTOR DRIVER

AGND

TP71

0.1

C106

82

2.25V

484746454443424140393837363534

RFIN

VIN5(B)

VIN6(A)
VIN7

VIN8
VIN9
VIN10

VCC1
VREF1
VIN1(B)

VIN2(A)

VIN3(D)

VIN4(C)

GND1
VIN11(F)
VIN12(E)
HDTYP

LPC1

1

DVD LD
DRIVE

47K

6.5V

-0.8V

7.5V
0V

0V

2.9V 0.1V

3.3V
0V

10K

2

Q5

RFIN

LPCO1

1.65V

1.85V

1.65V

2.2V

2.2V

TESTSG

LPC2

345

C31

47u6.3

+

1.75V

1.35V

0.6V

C20 0.033

C21 0.047

AGCG

AGCO

1.9V

LPCO2

VFSHT

0V

R19

10

C27

VRIN
INSPL
VIN2+

VIN2-

VIN2

VIN1+

VIN1-

VIN1

VSBL

VO2-

VO2+

VO1-

VO1+

VLD-

VLD+
BGND

W-

W+

V-

V+

U-

U+

OSC

SGND

C19 470P

PEAK

2.5V

TBAL

678

R7 27K

R8 27K

65

IOP DETECTOR

0.1

5.0-(2.2xIop)V

5.0-(2.2xIop)V

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

TP98

52

R14 1.2M

2.2V

1.45V

0V

0V

BTM

BDO

RFENV

1.7V

IC1

RF SIGNAL
PROCESSOR

1.65V 3.3V

FBAL

POFLT

DTRD

IDGT

9

10

R124

0V

5.0V

2.1V

10K

66

C6 220P

IC2

1
2

0V

3

R18 220

SPD
TP41

C87 0.01

W3

R61 15K

R64

R62 15K

30K

R66 15K
R68
51K

7.2V

3.3V

3.3V

3.3V
0V

3.3V

37

36
35

0V

33

C81

0.01

32

31

0.01

C80

30
29

0.01

C79

28

C78

330P

0V

PGND

TP99

51

OFTR

2.2V

R65
18K

11

IN+
VSS
IN-

R58
10K

C18 0.1

0V

DCRF

STNBY

12

3.3V

108

0.01

C88

R109

3.3K

41
40
39

R130 750

RFC

2.05V

1.55V

2.0V

1.5V

1.65V

SEN

131415

0V

107

VDD

OUT

R59
10K

C84

C83

C107 1

C15 0.01

3.3V

33

VCC3

GND3

RFDFO

RFOUT

DCFLT

DFLTOP

DFLTOM

VHALF

VCC2

VREF2

GND2

1.65V

AGLVL

MON
AGFST
FEOUT

FEN

ASOUT

AGBAL

TEOUT

TEN

SCK

STDI

RSCL

JLINE

16

0V

1.2V

R10

106

105

C7

R9 22K

5.0V

5

4

2.8V

10

C89

R60

4.7K

C116

0.22

R63
15K

TP43

100P

TRD

R67
15K

FOD

TP42

220P

C85

82u10

C82 0.1

BACKUP
CONTROL
SW

87

90
89
88

3.3V

3.3V

432

IC11

SDA

GND

5

678

EEPROM/BACKUP
MEMORY

0V

1.65V

R11
18K

3.9K

0.1

Q3

68

47

114

115

+

SCL

NC6

R13 1.2M
C17 470P

L2

C11

C10 0.1

3300P

32
31

30

1.65V

29

4.8V

28

2.2V

27

0.1

C9

0V

26

10

0.1

C12

C13

25
24
23
22

117

21
20

119

19
18

118

17

84

97

91

100

Q13

47K

10K

CP3

4.7K

0V

3.25V

1

WP

VCC

C104 0.1

NC7

NC8

0V

C8 10

R12 4.7

L1

TP97
VREF2

120

C14

22u6.3

L3

+

TP73

68

115

117

118

119

120

IC12

3.3V

0V1.65V

876

VCC

CONT1

I/O1

O/I1

1

2

1.65V

47

114

VHALF

W1 4.7K

W2

5

O/I2

CONT2

3

4

0V 0V

0V 1.5V

R110

47K

TP85

R27

R28

4.7K

R29
10K

R30
47K

C117

0.022

I/O2

GND

A
T

L4

C
68
C
68

C

22

C
33

IC

L7

99

112

7

20

X37-1020-0x (1/3)

TH1

V

CONT2

O/I2

4

2

L22

0

7

7
8

5
6

K

2

K

3

1
2

1
K

C133

0

HALF

3 TP85

R27

14.7K

R28

4.7K

R29
10K

R30
47K

C117

0.022

5

I/O2

GND

4

0V 0V

10

K

A3.3
TP72

R119

R120

L4

C34

680P

C35

680P

C36

2200P

C37

330P

IC12

SERVO FILTER
CONTROL SW

C49

L7

99

112

L6

L5

51

51

0.1

R111

15

C38

0.01

C47

1000P

C48

0.1

RFENV

C41

0.1

C46

0.1

C123

TE

TP7

TP8

TP9

TP10

TP12

127

TP13

128

TP14

129

TP15

130

47P

0.1

C72

C39

0.01

C401KR31

0.1

1.65V

C42

0.022
C43

47P

R32
15K

C44

680P

C45

6800P

C32

1000P

C33

1000P

JITOUT

FE

AS

M0

M1

M2

M3

22

C119

3.3V

∗

888786858483828180

0V

AVDD1

89

VCOF

90

TRCRS

91

CMPIN

92

LPFOUT

93

LPFIN

94

0V

AVSS2

95

HPFOUT

96

1.65V

HPFIN

97

CSLFLT

98

RFDIF

99

3.3V

AVDD2

100

1.25V

PLFLT2

PLFLT1

1.25V

TP63

101

PLFLT1

102

0V

AVSS3

103

1.48V

RVI

104

2.2V

VREF

105

PLPG

106

1.65V

VHALF

1.65V

107

DSLF2

1M

R33

108

DSLF1

109

3.3V

AVDD3
NARF
TP5

110

NARF
ARF
TP6

111

ARF

TP11

112

JITOUT

113

0V

AVSS4

114

1.9V

DAC0

115

1.5V

DAC1

116

3.3V

AVDD4

117

1.65V

AD0

118

1.65V

AD1

119

2.0V

AD2

120

2.1V

AD3

121

AD4

122

AD5

123

AD6

124

1.65V

TECAPA

125

3.3V

VDD7

126

0V

VSS7

127

MON 0

128

MON 1

129

3.3V

MON 2

130

3.3V

MON 3

131

NEJECT

132

NTRYCL

0V

C129

0.01

C130

0.01

C131

0.01

3.3V
0V

84

86

87

C71

0.1

18K

R45

R112 220∗R113 220

0V

1.65V

1.65V

LOUT

JLINE

ROUT

AVSS1

1.5V

2.0V

3.3V
0V

5V
0V 0V

NDASP

NCS3FX

NCS1FX

DA2

133

135

136

134

0V

5.0V

133

136

135

134

JLINE
TP23

137

JIHGF

X92-4400-0x/4730-0x
X92-4740-0x/4750-0x

51

82

X1

22P

15P

C68

C67

16.898MHz

0.1

C69 0.1

C70

R42 1M

R43 1.5K

2K

R44

0V

0V

VSS6

OSCO

TSTSG

VFOSRT

3.1V

1.65V

DA0

NPDIAG

DA1

NIOCS16

INTRQ

141

142

138

139

140

3.3V

5.0V

141

139

138

137

3.3V

7978777675747372717069686766656463626160595857565554535251504948474645

OSCI

VDD6

16.897849MHz

16.897849MHz

3.3V
0V

SIGNAL PROCESSOR LSI
ATAPI INTERFACE/SERVO CONTROL
SPINDOL MOTOR CONTROL
DVD, CD-ROM DIGITAL SIGNAL PROCESSOR
BUILT IN 2M DRAM

5V
0V

3.3V

NDMACK

VDD8

VSS8

IORDY

NIORD

143

145

146

144

0V

3.3V

5.0V

C50

142

146

145

0.1

L8

73

TP22

VDD5

IDGT

∗

R114

22

DTRD

0V

C125 0.01

TX

TILTN

FG

TILT

R41 10K

R131 10K

TILTP

FG

L21

C108 1

0V

1.8V

VSS5

2.3V

0.83V

65

66

FBAL

R39

R40

27K

4.7K
R38

R37

4.7K

27K

0.01

C65

0.01

C64

FBAL

TBAL

PWM8

SPDRV

PWM7

TRSDRV

3.3V
0V

PWM6

0V

PWM5

C63 0.1

0V

VSS4

DVSS2

1.8V

DVDD3

L18

3.3V

VDD4

IC4

(3.3V)

MECHA.

MAIN

(5.0V)

MAIN

MECHA.

NIOWR

DMARQ

HDD15

HDD0

HDD14

VDD9POUATASEL

152

1.8V

VSS9

153

155

154

0V

0V

0V

C51

0.1

151

148

149

150

147

0V

151

150

148

149

147

156

3.3V

C52

0.1

L10

(3.3V)

MECHA.

(5.0V)

MAIN MECHA.

VDD10

HDD1

HDD13

HDD2

158

159

157

159

158

157

MAIN MECHA.

HDD12

HDD3

VDD11

VSS10

HDD11

161

162

160

163

165

164

0V

3.3V

C53

161

160

164

0.1
C128

L11

0.01

HDD4

165

TP18

BDO

C126

0.01

C62

0.1

PWM2

PWM3

PWM4

MAIN MECHA.

HDD10

HDD5

HDD9

166

168

167

166

168

167

(3.3V)
(5.0V)

169

3.3V

L12

0V

PWM1

VDD12

C54

0.1

52

BDO

TP17TP19TP20

OFTR

3.3V

0V

OFTR

SDATA

16.897849MHz

MAIN

VSS11

HDD6

171

172

170

0V

171

3

4

3.3V

MSTPOL

SCLOCK

3.3V
0V

3.3V

3.3V

1.8V

1.8V

3.3V

HDD8

HDD7

173

172

173

IC5

3.3V

174

5.0V

3.3V
0V

NC

VDD

0V

NRST

3.3V
0V

3.3V
0V

0V

3.3V

3.3V

VDD13

175

5.0V

VOLTAGE
DETECTOR
(RESET)

VSS

3.3V

OUT

L28

MMOD

CLKOUT

DT0
DT1
DT2
DT3
DT4
DT5
DT6
DT7

NRD

NWR

NCS

DVDD2

VSS3

VDD3
ADR0

ADR1
ADR2
ADR3
ADR4
ADR5
ADR6
ADR7
ADR8

DVSS1

DVDD1

VSS2

VDD2
ADR9

ADR10

ADR11
ADR12
ADR13
ADR14
ADR15
ADR16
ADR17

DASPST

NMRST

WTODC

NINT2

VSS1

VDD1

NINT1

NINT0

NRESET

MASTER

176

0V

175

10K

R36

IC5

2

C60

0.1

C137

1

1000P

C127

0.01

45

44

44

43

43

42

42

41

41

40

40

39

39

38

38

37

37

36

36

35

35

34

L17

33

0.1

C59

32

0V

0.1

L16

C58

31
30

30

29

29

28

28

27

27

26

26

25

25

24

24

23

23

22

22

21

0V

0.1

C57

20
19

0V

0.1

C56

18
17

17

16

16

15

15

14

14

13

13

12

12

11

11

10

10

9

9

8

0V

7

3.3V

6

5

5

5

4

0V

0.1

L13

C55

3

2

2

2

1

1

1

CP1
1K

1
2
5
7

91

127

97

6

R76 1.3K

TP89
SW E

DOWN

S4

7

R78 1.3K

SW

128

112

TP90
SW F

R79 1.3K

SLT
S5

C132

0.01

C92

0.1

R141

10K

C91 0.

R72 12

R71

2K

99

R14

R14

TP61
7V

484950

7V

7V7V7V

C90

10
10

10

10
10
10
10

10

10

R
1

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

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

X37-1020-0x (2/3)

21