314178537260

55CMD310/

TROUBLE SHOOTING.........................................................................28-2927....................................................

USB.AUX PCB COMPONENT LAYOUT..............................................25-26POWER PCB COMPONENT LAYOUT...............................................23-24IPOD PCB COMPONENT LAYOUT....................................................22IPOD CONTACT PCB COMPONENT LAYOUT.................................20-21TUNER PCB COMPONENT LAYOUT................................................18-19

16-17SERVO PCB COMPONENT LAYOUT................................................14-15

12-13

CIRCUIT DIAGRAM POWER BOARD......................................11CIRCUIT DIAGRAM IPOD CONTACT BOARD........................10CIRCUIT DIAGRAM TUNER BOARD.......................................9CIRCUIT DIAGRAM PANEL BOARD.......................................8

CIRCUIT DIAGRAM MAIN BOARD....................................................5-6

CIRCUIT DIAGRAM SERVO BOARD.................................................7

2

4. Remove the five screws which was used for fixing the KB baord of the panel

CMD310 -- Dismantlement Method1. Remove the two screws in the top cover and then remove the top cover ; remove the five screws in heat sink and then remove the heat sink

2. Remove the six screws in the rear chassis and then remove the rear chassis ; Remove the four screws in left right of the base panel

3. Remove the FFC which was connected the panel and main board, then remove the panel; Remove the screw in the main board and wire which was connect to small board, thenremove main board

Remove the screws in the top cover Remove top coverRemove heat sinkRemove the screws in the heat sink

Remove the six screws Remove the rear chassis Remove the screws on the left right side of the base panel

Remove FFC

Remove the screw and wire Remove main boardRemove panel

Main board

PanelRemove the five screws PANEL PCB

3

WIRING DIAGRAM

4

CIRCUIT DIAGRAM -MAIN BOARD

5

6

CIRCUIT DIAGRAM -SERVO BOARD

7

TRACK-UP TRACK-DN

POWER/MUTE

0 0.2 0.4 0.68

0.99 1.321.66

2.0 2.28 2.53 2.72 2.88

FCE

FCLK

FDATA

FINH

+5V

KEY1

KEY2

ENVOL

LED5V

GND

MIC-

REMO

L-GND

BT-LED

GND

MIC+

VOL-LED

1 2

3 45

EN901

ENC

SW901

M1/SONG

R901

180

SW902

M2/FOLDER

SW903

M3/RPT

SW904

EQ/SOUND

SW905

MENU

SW906

SOURCE

SW908

TUNE/SEEK-UP

SW909

TUNER/SEEK-DN

SW910

M4/SHUF

SW911

M5/INTRO

SW912

M6/PAU

R902

220

R903

330

R904

470

R905

680

R906

1K

R907

1K5

R908

2K2

R909

3K3

R910

4K7

R911

8K2

SW913

DISP

SW914

SOUND

SW915

BAND

R913

220

R914

330

R915

470

R912

180

R924

4K7

R925

4K7

R922

82K

R923

47K

R930

22

R929

22

R928

22

R927

22

LED901BLUE

R932

270

R933

270

R934

270

R935

270

R936

270

R937

270

R938

270

R939

270

R940

270

R941

270

R942

270

R943

270

R944

270

R945

270

R946

270

R947

270

LED902BLUE

LED903BLUE

LED904BLUE

LED905BLUE

LED906BLUE

LED907BLUE

LED908BLUE

LED909BLUE

LED910BLUE

LED911BLUE

LED912BLUE

LED913BLUE

LED914BLUE

LED915BLUE

LED916BLUE

ZD901

6V8

ZD902

6V8

ZD903

6V8

ZD904

6V8

C901

2P

C902

2P

C903

2P

C904

2P

C905

104

R931

47K

C906

680P

2

3

1Q901

9014

R951

1k

R952

10k

1

M1

MARK 1

M2

MARK 1

M3

MARK 1

M4

MARK

1SEG1

2SEG2

3SEG3

4SEG4

5SEG5

6SEG6

7SEG7

8SEG8

9SEG9

10SEG10

11SEG11

12SEG12

13SEG13

14SEG14

15SEG15

16SEG16

17SEG17

18SEG18

19SEG19

20SEG20

21SEG21

22SEG22

23SEG23

24SEG24

25SEG25

26SEG26

27SEG27

28SEG28

29SEG29

30SEG30

31SEG31

32SEG32

33

SEG33

34

SEG34

35

SEG35

36

SEG36

37

SEG37

38

SEG38

39

SEG39

40

SEG40

41

SEG41

42

SEG42

43

SEG43

44

SEG44

45

SEG45

46

SEG46

47

SEG47

48

SEG48

49SEG49

50SEG50

51SEG51

52SEG52/COM0

53COM1

54COM2

55COM3

56VDD

57INH

58VLC1

59VLC2

60VSS

61OSC

62CE

63SCLK

64SI

IC901

LCD-MC5502

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

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

LCD901

CMD300-LCD

C908

473

C909

473

R953

NC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

CON901

CON-17P

TP1TP2 TP3TP4TP5TP6

ZD905

6V8

C910

10UF

-+

1 2

MIC901

MIC

SEG[00:99]

SEG01

SEG02

SEG03

SEG04

SEG05

SEG06

SEG07

SEG08

SEG09

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

SEG27

SEG28

SEG29

SEG30

SEG31

SEG32

SEG33

SEG34

SEG35

SEG36

SEG37

SEG38

SEG39

SEG40

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

SEG49

SEG52

SEG53

SEG54

SEG55

SEG33

SEG34

SEG35

SEG36

SEG37

SEG38

SEG39

SEG40

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

SEG32

SEG31

SEG30

SEG29

SEG28

SEG27

SEG26

SEG25

SEG24

SEG23

SEG22

SEG21

SEG20

SEG19

SEG18

SEG17

SEG16

SEG15

SEG14

SEG13

SEG12

SEG11

SEG10

SEG09

SEG08

SEG07

SEG06

SEG05

SEG04

SEG03

SEG02

SEG01

SEG49

SEG52

SEG53

SEG54

SEG55

GND1

GND1

GND1

GND2GND2

GND2

GND2

GND2GND2

GND1 GND1

GND2

CIRCUIT DIAGRAM -PANEL BOARD

8

1

2

3

4

5

6

RFGND

FMI

RF-GND

CTUNE

AGC

AMI

DFS

7 8 9 10 11 12

SEN

RST

RC

LK

SDIO

SCLK

VIO

18

17

16

15

14

13

DO

LOUT

ROUT

GND

VDD

192021222324

DC

LK

INT

GP01

NC

NC

NC

IC001

SI474X

C001

30P

C004

30P

C006

47P

C005

103

C003

30P

C002

15P

C008

22P

L001

220NH

L002

220NH

L003

2.7UH

Q001

SK255

R001

270K

R002

4K7

R003

47

XT001

32.768KHz C009

22P

C112

103

C020

104

12111098765432

DA

TA

CLKRES

R-O

UT

L-O

UT

GN

D

DG

ND

RFG

ND

FM A

NT

+3V

3

RD

S

1

RFG

ND

CN001 TUNER23

C015104

L007

220UH

C013

333

C019

474

L004

FB152

Q004

9014S

Q102/Q003

9014S

Q002

9018S

R006

220K

R005

10M

C017

183

L006

33UHL005

1MHC014

122

R004

10K

R007

4K7R008

4K7

C016

474

R010

10

C021

1U

C020

104

C007

104

AM

C018

104

R009

10K

L008

FB152

EC001

47UFR011

100

R012

100

R013

100

R014

100

L010FB152

C025

1UF

C011

103

L009

FB152

CIRCUIT DIAGRAM -TUNER BOARD

9

CIRCUIT DIAGRAM -IPOD CONTACT BOARD

ipod-rx

ipod-tx

to bx8805

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

26

27

28

29

30

31

32

33

34

IPOD701

30P

P2

P3

P5

P6

P10

P4

EC710

C72010P

C72110P C722

10P

USB_D+

USB_D-

USB_PWR

USB_GND

DET

10

CIRCUIT DIAGRAM -POWER BOARD

Q702

9013

L704 FB

L708 FB

R738

47K

L709

FBC712103

C713

27P

R735

7K5/1%

R737

1K

5/1

%

C710

10P

C714

104

L712

47uH/2A

R712

0.47R/1W

EC701

100UF/25V

C711

104

EC

702

220uF/10V

R711

1K

C709

104

1

IN

2

OUT

3

FB

4

SD

5

GND

6

GND

7

GND

8

GND

IC701AP1509

D1

SK34(5819)

R734

100K

Q703

9013

61

23

45

1

2

3

4

5

6

CON703

1

2

CON701

2P/2.5

61

23

45

1

2

3

4

5

6

CON702

6P/2.0

R736

12K/1%

EC705

100UF/25V

C715

10P

C723

10PC724

10P

USB+5V

D+

D-

P20

USBDC-ON

DET

BATT12V

USBDC-ON

USBDC-ON1

WP

DET1

D+

D-

11

PCB LAYOUT-MAIN BOARD TOP SIDE VIEW

12

PCB LAYOUT-MAIN BOARD BOTTOM SIDE VIEW

13

PCB LAYOUT-SERVO BOARD TOP SIDE VIEW

14

15

PCB LAYOUT-SERVO BOARD BOTTOM SIDE VIEW

PCB LAYOUT-PANEL BOARD TOP SIDE VIEW

16

PCB LAYOUT-PANEL BOARD BOTTOM SIDE VIEW

17

PCB LYOUT-TUNER BOARD TOP SIDE VIEW

18

PCB LYOUT-TUNER BOARD BOTTOM SIDE VIEW

19

PCB LAYOUT-IPOD CONTACT BOARD TOP SIDE VIEW

20

PCB LAYOUT-IPOD CONTACT BOARD BOTTOM SIDE VIEW

21

PCB LAYOUT-IPOD BOARD TOP SIDE VIEW

22

PCB LAYOUT-POWER BOARD TOP SIDE VIEW

23

PCB LAYOUT-POWER BOARD BOTTOM SIDE VIEW

24

25

PCB LAYOUT-USB/AUX BOARD TOP SIDE VIEW

26

PCB LAYOUT-USB/AUX BOARD BOTTOM SIDE VIEW

SET EXPLODER VIEW DRAWING

27

Tate 2012-1-12

NO、

3No audio

output

4 Radioabnormal

d、 To check the oscillation frequence of crystal XT001 of the tuner module,should be 32、7，8MHz、

b、 To check whether the unit is at MUTE mode, press SOURCE button and check whether it is effective of the input soundsource、

b、 To check whether the strength of then input signal of the tuner is too weak、

c、To check the 2 pin voltage of the IC401 should be +3 V3、

a、 To check the antenna of the AM/FM tuner、

e、 To check the voltage of 22 pin(MUTE) of power amplifier IC501(7388 IC) , normally should be +3V2、

d 、 To check the circuit of power amplifier IC501(7388 IC) and VOLUME IC402(7313 IC)、

c、 To check whether the connection of 8 PIN audio output wire of ISO connector is correct; wrong connection or short circuitto the ground will caused the protection of the power amplifier( no voltage output)、

b、To check the connectors of the CON901 CON202 whether the socket of it is loose、

a、 To check whether the ISO301(1，pin) connector of the tail of the unit is connect well , Whether it is loose of the 15A fuse ofthe yellow wire, or insert non in place、

e、 To check the oscillation frequence of crystal CF201 shuold be 32、7，8KHZ、

a、To check the Panel PCB on the LCD driver IC (IC901) of the 5， pin power supply is normal, should be +5 V0、

Area All area

d、 To check each voltage regulator IC's output voltage is normal, IC303, 304 should be +9 V0 voltage output, IC302 should+3 V3 voltage outputs, IC，05 should be +1 V2 voltage output、

1

LCDDisplay

abnormal2

Trouble shootingTrouble shootingTrouble shootingTrouble shooting

failurephenomena failure cause remark

Product Model CMD310

c、 To check the 5 pin voltage of the IC201(MCU) should be +5V0、

b、To check whether the LCD Panel iron bracket for loose、

NO Power

a、 To check whether the volume knob is turn to the minimum position、

28

NO、

5

6 USB defective

AUX defective7

iPHONEdefective

b、 To check the AUX IN input signal、

c、 To check the CON402 connectors on the main board,whether the plugs of it is loose、

d、 To check the 1 pin voltage of the CON801,should be +2V9、

e、 To check the SW2 switch in the Dock box、

c、 To check whether there is any wearing and scratch of the shrapnel and pin of the panel USB、

b、 To check the SOURCE shoule be in iPHONE mode、

c、 To check whether it is normal when reading USB?

failurephenomena

failure cause remark

a、 To check the iPHONE connector and the Dock socket whether there is poor contact、

h、To check in the dock the CON701 CON702 CON703 connector ,whether the plugs of it is loose、

g、To check the 1 pin voltage of the CON703 in the dock, should be +5V0、

f、 To check the CON301 and CON801 connector on the main board , whether the plugs of it is loose、

Dock doordefective

a、 To check whether the USB signal format is correspond to the request of the unit、

b、 To check the voltage of the USB connector of the top first pin , should be +5V、

a、 To check the SOURCE shoule be in MP3-LINK mode、

d、To check the CON703 connectors on the main board , whether the plugs of it is loose、

a、Press the EJECT button, to do a pull and push the dock operation、

BT defective

9

a、To check the unit should be in pair with the BT phone connection status、

b、To check the 4 pin voltage of BT module,should be +5V0、

c、To check the 17PIN FFC flat cable in the panel to the main board, whether the plugs of it is loose、

8

29