Pioneer Avx-p7300dvduc User manual

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

PIONEER ELECTRONIC NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2001 K-ZZU. MAY 2001 Printed in Japan

ORDER NO.

CRT2672

7 INCH WIDE AV SYSTEM DISPLAY/DVD PLAYER

AVX-P7300DVD UC

Service

Manual

AVX-P7300DVD EW

AVX-P7300DVD ES/RD,ES/RC

-This service manual should be used together with the following manual(s):

Model No. Order No. Mech. Module Remarks

CX-954 CRT2670 MS2 DVD Mech. Module:Circuit Description, Mech.Description, Disassembly

CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST ......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..14

4. PCB CONNECTION DIAGRAM................................46

5. ELECTRICAL PARTS LIST........................................64

6. ADJUSTMENT.........................................................80

7. GENERAL INFORMATION.....................................101

7.1DIAGNOSIS ......................................................101

7.1.1 TOUBLESHOOTING...............................101

7.1.2 DISASSEMBLY.......................................105

7.1.3 PCB LOCATION ......................................110

7.1.4 CONNECTOR FUNCTION DESCRIPTION.111

7.2IC ................................................................112

7.3EXPLANATION .................................................131

7.3.1 MECHANISM DESCRIPTIONS ..............131

7.3.2 OPERATIONAL FLOW CHART...............135

8. OPERATIONS AND SPECIFICATIONS..................136

NOTE:

-Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby

-Inverter for LCD back light becomes a high voltage.

-About FPC between control PCB and relay unit

There is a direction of the connector and the installation is noted.

Please note that the length of the line is short at the time of detaching.

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

A

1234

B

C

D

1234

BUP BL+B

V+9V BUP

Q604

Q13

ILMPW

53

pwsave

35

SWVDD

39

VPW

41

adpw

6

AVREF0

75

pwsens

34

ILM+B

BUP

SWVDD

VDD

Q11

Q27

BLTPW

40

Q853

VDD

IC 604

M62354GP

Q23

Q24

Q203

Q26

SYSPW_M

55

Q34

Q33

Q25

9RET H

10 RET V

17 PWRVI

13 SP+

16 SP-

CN201

1R

2G

3B

IC 302

TC7W34FU

IC 602

PE5230A

MONITOR

CONTROL

7

5

1

3

IC 301

TC74HC123AF

49

IC 103

TC74VHCT08AFT

3

6

1

4

IC 101

NJM2903V

21

IC 309

NJM2235V

BZ601

71

IC 307

NJM2235V

17

IC 303

BA7071F

71

DIM

OSDCK/OSDCS/OSDDT

KEY0/KEY1/KEY2 KEY0/KEY1/KEY2

5

RGB/com 44

OSD 15

BEEP_M 45

VSYNC 61

LSENS 76

AVON 59

PBSENS 54

X1

70

X2

69

KEY3

80

X601

4.19MHz

29

CN101 CN1103

R

30

G

31

B

27

HSY

26

VSY

HSY

VSY

DIM

VSEL

OSD

VIDEO

G

R

B

45

DIMMER

15

RGB/COM

21

OSD

33

46

V/SYNC

20

21

22

24

25

6

36

30

18

5

IC 605

TC74VHCT08AFT

Q1101

VCC

DRELAY UNIT

Q404

Q653

CN651

CN401

CN1901

3

RGLED-B

10

11

REMIN

6

3

10

11

6

reset

reset 60 IC 603

S-80734ANDYI

RESET

12VDD

Q851

IC 1901

TSOP1840SB1

KEY

MATRIX

RESET

ILM+B

S1902

F

asens 65

isens 37

bsens 66

2

15

13

1

2

3

CN402

COMP

6

LED _V 8

REMIN

5

AV_ON

AV BUS

CONNECTOR

ACONTROL PCB

RGB

CONNECTOR

VBU,MTRPW,MTR,DEGPUL,DEG0

EW,ES

CN202

2

3

SPEAKER

Q603

Q403

16

14

8

10

1K(1/2W)

ILM

6P.B.

B.U.

GND

BUP V+5V

Q21

Q22

30

28

IDVD CORE UNIT V

Q1104

Q1108

Q1105

Q1107

Q1102

65LD

78LD

241

4

VSHF

Q1109

LCDSG1

Q1110

LCDSG2

Q1111

LCDSG3

CN1100

CN1300

LPC01 RFENV

LPC02

57

IC 1101

NJM2904M

IC 1704

TC74VCX08FT

IC 1701

M5M5V216ATP-70HI

IC1702

PD6354B

FEP

IC 1100

AN8702FH ODC

IC 1400

MNZS25BDAUB

ADSC

IC 1200

MN677061ZYUB

59

XWR

100

MCK33

10

12

11

13

8

11

30

124 99 110

33

5

2

3

CPU

IC 1700

PE5277A

62 63 78 90

X1700

5MHz

X2ENV

CLKOUT

94

23

36

33

117

6

17

1

2

3

11

116

86

107

59

104

242

1

4

2

1

97

71

83

79

96

CD/DVD

X2 X1

XWR

BUSISO

XRES

XCSSRAM

FSSW

VCONTA

VCONTB

XUWR

TILT1

TILT2

TILT3

AVREF

ADENA

DSCSNS

Q1700

S1301

S1303

S1304

S1302

IC 1705

TC7SH04FU IC 1706

TC7SH32FU

IC 1509

TC74VCX74FT

IC 1503

TC74VCX74FT

IC 1504

TC74VCX04FT

SRAM

FLASH MEMORY

IC 1500

MSM56V16160F8TKFM

SDRAM

IC 1403

TC74LCX244FT

IC 1405

TC7SH04FU

IC 1506

SM8703AV

IC 1501

MSM56V16160F8TKFM

SDRAM

IC 1802

BA033SFP

IC 1804

BA00BC0WFP

2

IC 1803

BA18BC0WFP

XBWR

VGOUT

CLK27

EXTCK

HCLK

19

1

7

12

22

24

23

24

31

10

11

2

1

CLOCK GEN

VCO

VIDEO

Rch

Lch

AM

VCO

Q1600

Q1601

F1600

IC 1601

AK4380VT

Q1602

CN

V

AV CHIP

IC 1502

MN677532JAUB

IC 1300

BA5985FM

VCC

VD63

27

6

7

8

PICKUP

UNIT

(SERVICE)

(DP4)

A,B1-4,C,RF+,RF-

M

SPINDLE

MOTOR

M

CARRIGE

MOTOR

M

LOADING

MOTOR

FOP,FOM,TOP,TOM

EC,CONT

COP,COM

DRIVER BLOCK

9

LOM

10

LOP

CLAMP SW

12cm detect SW

8cm

detect

SW

L/E ON/OFF SW

GBAL,

TBAL,

FBAL

Q1603

EXTCK,SRCKAV,

AOUT0,LRCKAV

A0-17,D0-15

CTS,DTR,RXPC,TXPC,VPP,SICOMN,

SOCOMN,SCKCOMN

1

VCC33

4

VCC18

4

VCC27

4

85

IEC958

CN

REMIN

91

DISCSET 78

DVD

CONTROLLER

IC 701 (1/2)

PE5285A

3

6

11

4

9

8

AMUTE 42

TMODE 37

MSTOSYS 95

SYSTOMS 96

IRQPWR 35

IEC958

11

reset

asens

92

isens

70

bsens

93

PBSENS

30

REAR L

V.OUT

REAR

A

5

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

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TEL 13942296513 QQ 376315150 892498299

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15

AVX-P7300DVD

5678

A

B

C

D

5678

/KEY2

IC 1105

BA7603F

13

IC 1108

TC7S08FU

24

IC 1107

TC74HC123AF

94

IC 1103

TC7SH32FU

2

14

IC 1101

BA7623F

46

537

6

IC 1102

NJM2267V

28

1 3,4

12

R

14 G

8

2,7,

12

B

IC 1106

PD5582A

1,2

18

19

25

CN1101

CN2942

LCD_R

24

LCD_G

23

LCD_B

28

LCD_V

21

HSY

20

VSY

41

48

DIM

IC 1104

TC7S08FU

24

101

VCC

CN1102

LCD LCD

BACK LIGHT

Y UNIT

Q2941 Q2942

IC 2941

OZ960IS

7

12

Q2943

20

Q2944

S2942

DOWN UP MENU

S2944 S2943

T2941

CN2941

DIM

6

EINVERTER PCB

LCD MODULE

C 1901

P1840SB1

KEY

ATRIX

T

LM+B FGRILLE PCB

R

CN1301

3

1

BPHOTO PCB

IC 1301

NJM062V

7OPEN/CLOSE

S1301

CN2804

6

3

2

1,2

5

GENCODER PCB

IC2807

TC7W14FU IC2806

GP1S25

712

4IC2805

GP1S25

53

42

2

DRIVE SW

S2801

W,MTR,DEGPUL,DEG0SW

1

2

1

2

IC2804

TC7S14FU

12

IC2801

TA7806S

12

IC2802

TA78L05F

DEGPUL2

DEGPUL1

DEG0SW

HSW PCB

CN2806

CN2805

CN2807

CN2808

Q2801

VBU

MTR1

MTR2

10

5

7

9

6

12

IC2803

BA6951FS M

M1

Drive Motor

11

12

8TKFM

3

44FT

6

AV

8TKFM

1

7

12

EN

VCONTB

VIDEO OUT

Rch OUT

Lch OUT

AMUTE

VCONTA

CN1700

CN1701

VCC33

VCC

1603

COMN,

1

CN1702

C

EXTENSION

PCB

TXD,

RXD,

DTR,

CTS

CN261

CN262

IP-OUT

OPT-OUT

IP-IN

1

DISCSET 78

IC 251

TC74VHCT08AFT

3

6

11

IC 252

TC74VHC08FT

4

9

84

AMUTE 42

TMODE 37

STOSYS AMUTE

95

YSTOMS 96

IRQPWR 35

TPMUTE

28

DVD

CONTROLLER

IC 701 (1/2)

PE5285A

TX 86

RX 85

CN251

CN252

DVD VIDEO

IEC958

13

XAMUTE

19

L_OUT

26

R_OUT

29

IC 501

NJM2068MD

31

IC 502

BA3131FS

20

318

19

IC 801

TA2050F

1

8

13

12

6

FRONT L

8

FRONT R

7

CN802

CN801

8

9

1

BUS+

5

BUS–

1

BUS+

4

BUS–

7

bsens

RMUTE 27

IC 802

HA12187FP

1

2

6

5

Q401

BUP

Q501 Q502

REARMUTE

X1 16

X2 15 X701

12.582912MHz

Q503

BUP

Q504

MSMVD

33

MSVD

32

SYSPW_D

21

IC 304

NJM2267V

1,8

3,4

5,6 IC 306

NJM2233BM

VIDEO MUTE+6dB AMP

VIDEO MUTE

17

IC 305

NJM2233BM

17

IC 851

TC7WT125FU

2

27

3

IC 308

NJM2267V

8

1

6

4

CN851

IC 13

BP5250-1

16

Q17

DVD+6.3V

Q16

Q12

Q35

Q18

Q28

Q31

Q32

Q30

IC 15

BA00ASFP

5 1,2

BUP

VDD

Q15

DVD+8V

BUP

Q50

Q19

5

77

1

IEC958

BUP SYS+8V

Q14

Q15

Q851

Q852

VDD VCC

MSMCVD

34

DVD3.3V

CPU+3.3V

Q251

Q252

adpw

81

VDD

Q701

28

22

15

12

A

w

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3

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1

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1

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9

2

8

9

4

2

9

8

T

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9

4

2

9

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1

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9

2

8

9

4

2

9

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5

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

A

1234

B

C

D

1234

DVD MICRO COMPUTER

MONITOR

MICRO COMPUTER

>

SYNC SEPARATOR

>

DCN1103

ICN1701 ICN1702

FCN1901

PE5285A

A

3.2 CONTROL PCB(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL

PARTS LIST”.

A-a A-b

A-aA-a A-bA-b

A-bA-b

A-aA-a

Large size

SCH diagram

Guide page

Detailed page

A-a

w

.

x

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y

u

1

6

3

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c

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Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

17

AVX-P7300DVD

5678

A

B

C

D

5678

R67 1R8K VR1

470(B)

CCP1388

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

←

The >mark found on some component parts indicates

the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of

identical designation.

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

NOTE :

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

>

REFLECTION

MUTE

>

ACONTROL PCB

Control Unit

Consists of

Control PCB

Photo PCB

Extention PCB

1K(1/2W)

5A

CEK1135

>

:The power supply is shown with the marked box.

A

A-b

w

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x

i

a

o

y

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1

6

3

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c

o

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3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

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1

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9

4

2

9

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5

1

3

9

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8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

18

AVX-P7300DVD

A

1234

B

C

D

1234

MONITOR

MICRO COMPUTER

>

SYNC SEPARATOR

>

DCN1103

A-a A-b

A-a

1

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

19

AVX-P7300DVD

5678

A

B

C

D

5678

DVD MICRO COMPUTER

>

ICN1701 ICN1702

FCN1901

PE5285A

A-a A-b

A-a

2

3

4

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

20

AVX-P7300DVD

A

1234

B

C

D

1234

>

REFLECTION

MUTE

>

ACONTROL PCB

Control Unit

Consists of

Control PCB

Photo PCB

Extention PCB

1K(1/2W)

5A

CEK1135

>

A-a A-b

A-b

1

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

21

AVX-P7300DVD

5678

A

B

C

D

5678

R67 1R8K VR1

470(B)

CCP1388

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

←

The >mark found on some component parts indicates

the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of

identical designation.

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

NOTE :

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

:The power supply is shown with the marked box.

A-a A-b

A-b

2

3

4

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

22

AVX-P7300DVD

A

1234

B

C

D

1234

OPEN/CLOSE

DCN1101 BPHOTO PCB

Control Unit

Consists of

Control PCB

Photo PCB

Extension PCB

B

3.3 PHOTO PCB

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

1234

A

B

C

D

1234

ICN1700

CEXTENSION PCB

Control Unit

Consists of

Control PCB

Photo PCB

Extension PCB

C

3.4 EXTENSION PCB

w

.

x

i

a

o

y

u

1

6

3

.

c

o

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Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

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7

3

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TEL 13942296513 QQ 376315150 892498299

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24

AVX-P7300DVD

A

1234

B

C

D

1234

(L fixation always)

ECN2941

BCN1301 LCD MODULE

GCN2804

3.5 RELAY UNIT

D

J

CN001

w

.

x

i

a

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

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5678

DRELAY UNIT

ACN101

D

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http://www.xiaoyu163.com

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AVX-P7300DVD

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E

3.6 INVERTER PCB

To CCFL

D

CN1101

EINVERTER PCB

Keyboard Unit

Consists of

Inverter PCB

Grille PCB

D2951

1SS355

D2950

UDZ5R6(B)

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

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1234

A

CN651

FGRILLE PCB

Keyboard Unit

Consists of

Inverter PCB

Grille PCB

RGB

V.SRC

RESET

DETACH SENSE POWER

DISC EJECT

PLAY PAUSE

STOP

CHP/TR-

CHP/TR+

EW UC,ES/RD,ES/RC

EW EW

EW

R1906,1910,1938-1940,1947-1949

UC,ES/RD,ES/RD : 130

EW : 150

S1903-S1910

UC,ES/RD,ES/RC : CSG1112

EW : CSG1113

F

3.7GRILLE PCB

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TEL 13942296513 QQ 376315150 892498299

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3.8 ENCODER UNIT

M

M1

Drive Motor

CXB7612

Yellow

Black

Red

White

CN1102

ENCODER PCB

Encoder Unit

Consists of

Encoder PCB

SW PCB

G

H

DEG0

C

G

H

w

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TEL 13942296513 QQ 376315150 892498299

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AVX-P7300DVD

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3.9 PU UNIT(REFERENCE)

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8

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

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MN677061ZYUB

5.0V

8.0V

POWER SUPPLY

5.0V

3.3V

POWER SUPPLY

5.0V

3.3V

POWER SUPPLY

3.3V

2.7V

2.2V

1.65V

2.2V

1.65V

2

8

3

0

4

7

9

1

6

RF SIGNAL

FOCUS SERVO LINE

TRACKING SERVO LINE

CARRIAGE SERVO LINE

SPINDLE SERVO LINE

CLOCK LINE

F

T

C

S

CLK

F

T

F

T

F

T

F

T

F

T

F

T

FT

F

T

FTSC

C

S

C

S

SC

M

M2

SPINDLE

MOTOR

CXB6218

M

M3

CARRIAGE

MOTOR

CXB5955

M

M1

LOADING

MOTOR

CXB5960

1/2

I

DVD CORE UNIT V(FRONT END)

2/2

I

2/2

I

PICKUP UNIT(SERVICE)(DP4)

RF AMP BLOCK

DISC DETECT SWITCH

DRIVER BLOCK

SERVO CONTROLLER BLOCK

SERVO-C

I

I-a

1/2

3.10 DVD MECHANISM MODULE(1/2)(GUIDE PAGE)

1/2

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TEL 13942296513 QQ 376315150 892498299

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31

AVX-P7300DVD

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5678

SYSTEM CONTROLLER I/F

SYSTEM

CONTROLLER

I/F

MNZS25BDAUB

680

POWER SUPPLY

3.3V

2.7V

5

^

&

%

$

#

@

!

S

C

S

C

CLK

33.8MHz

CLK

2/2

I

2/2

I

2/2

I

CK

-CPU I/F OPTICAL DISC CONTROLLER BLOCK

ODC-CPU I/F

MPEG STREAM

I-b

I1/2

1/2

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TEL 13942296513 QQ 376315150 892498299

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32

AVX-P7300DVD

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1234

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POWER SUPPLY

5.0V

3.3V

22V

2.2V

1.65V

8

3

0

RF SIGNAL

FOCUS SERVO LINE

TRACKING SERVO LINE

CARRIAGE SERVO LINE

SPINDLE SERVO LINE

CLOCK LINE

F

T

C

S

CLK

F

T

1/2

I

DVD CORE UNIT V(FRONT END)

2/2

I

PICKUP UNIT(SERVICE)(DP4)

RF AMP BLOCK

SERVO-CPU I/F

I-a I-b

1

2

3

I-a 1/2

(1/2) (1/2)

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

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