background image

1

2

3

4

5

6

RFGND

FMI

RF-GND

CTUNE

AGC

AMI

DFS

7

8

9

10

11

12

SEN

RST

RCL

K

SDIO

SCLK

VIO

18

17

16

15

14

13

DO

LOUT

ROUT

GND

VDD

19

20

21

22

23

24

DCLK

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

12

11

10

9

8

7

6

5

4

3

2

DATA

CL

K

RE

S

R-OUT

L-OUT

GND

DGND

RFGND

FM ANT

+3V3

RDS

1

RFGND

CN001

TUNER23

C015

104

L007

220UH

C013

333

C019

474

L004

FB152

Q004

9014S

Q102/Q003

9014S

Q002
9018S

R006
220K

R005

10M

C017

183

L006

33UH

L005

1MH

C014

122

R004

10K

R007

4K7

R008

4K7

C016

474

R010

10

C021

1U

C020

104

C007

104

AM

C018

104

R009

10K

L008

FB152

EC001

47UF

R011

100

R012

100

R013

100

R014

100

L010

FB152

C025
1UF

C011

103

L009

FB152

CIRCUIT DIAGRAM -TUNER BOARD

10

Summary of Contents for CMD305A/05

Page 1: ... 211 7 3 20321 17 28 USB AUX PCB COMPONENT LAYOUT 17 18 6 592 3 20321 17 287 3 1 3 20321 17 287 5 8 7 5 0 3 1 2 5 5 8 7 5 0 2 5 5 8 7 5 0 781 5 2 5 5 8 7 5 0 6 592 2 5 5 8 7 5 0 0 1 2 5 5 1 5 0 2 5 0 60 17 1 16758 7 216 CMD305A 05 Service Manual Mini System Service Service Version1 0 TABLE OF CONTENTS 2012 9 6 ...

Page 2: ... the wires which were connect with the small board take out the main board 5HPRYH WKH VFUHZV RQ WKH WRS FRYHU 5HPRYH WKH WRS FRYHU 5HPRYH WKH KHDW VLQN 5HPRYH WKH VFUHZV RQ WKH KHDW VLQN ķ ķ ķ ķ ĸ ĸ ĸ ĸ ĺ ĺ ĺ ĺ Ĺ Ĺ Ĺ Ĺ Ļ Ļ Ļ Ļ ļ ļ ļ ļ Ľ Ľ Ľ Ľ 5HPRYH WKH VL VFUHZV ķ ķ ķ ķ ĸ ĸ ĸ ĸ Ĺ Ĺ Ĺ Ĺ ĺ ĺ ĺ ĺ Ļ Ļ Ļ Ļ ļ ļ ļ ļ 5HPRYH WKH EDFN FRYHU 5HPRYH WKH WZR VFUHZV RQ WKH OHIW VLGH RI WKH XLQW Ľ Ľ Ľ Ľ ľ ľ ľ ľ...

Page 3: ...BLOCK DIAGRAM 3 ...

Page 4: ...WIRING DIAGRAM 4 ...

Page 5: ...CIRCUIT DIAGRAM MAIN BOARD 5 ...

Page 6: ...6 ...

Page 7: ...CIRCUIT DIAGRAM SERVO BOARD 7 ...

Page 8: ...3 3 3 5 3 4 5 N 5 N 0 0 5 0 0 5 0 0 5 0 0 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 20 20 20 20 9 1 9 9 966 26 6 6 0 0 5 1 21 21 3 73 73 73 73 73 73 9 8 0 0 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6...

Page 9: ... 3 5 5 3 X 5 5 8 9 X 9 5 1 287 6 1 1 1 1 3 6 5 4 21 3 5 8 9 3 3 3 21 21 8 3 3 5 1 5 1 86 9 86 21 77 9 86 21 86 21 1 B 7 CIRCUIT DIAGRAM DC DC BOARD 9 ...

Page 10: ...3 47 XT001 32 768KHz C009 22P C112 103 C020 104 12 11 10 9 8 7 6 5 4 3 2 DATA CLK RES R OUT L OUT GND DGND RFGND FM ANT 3V3 RDS 1 RFGND CN001 TUNER23 C015 104 L007 220UH C013 333 C019 474 L004 FB152 Q004 9014S Q102 Q003 9014S Q002 9018S R006 220K R005 10M C017 183 L006 33UH L005 1MH C014 122 R004 10K R007 4K7 R008 4K7 C016 474 R010 10 C021 1U C020 104 C007 104 AM C018 104 R009 10K L008 FB152 EC001...

Page 11: ...PCB LAYOUT MAIN BOARD TOP SIDE VIEW 11 ...

Page 12: ...PCB LAYOUT MAIN BOARD BOTTOM SIDE VIEW 12 ...

Page 13: ...PCB LAYOUT SERVO BOARD TOP SIDE VIEW 13 ...

Page 14: ...PCB LAYOUT SERVO BOARD BOTTOM SIDE VIEW 14 ...

Page 15: ...PCB LAYOUT PANEL BOARD TOP SIDE VIEW 15 ...

Page 16: ...PCB LAYOUT PANEL BOARD BOTTOM SIDE VIEW 16 ...

Page 17: ...PCB LAYOUT USB AUX BOARD TOP SIDE VIEW 17 ...

Page 18: ...PCB LAYOUT USB AUX BOARD BOTTOM SIDE VIEW 18 ...

Page 19: ...19 PCB LAYOUT ANDROID CONNECT BOARD TOP SIDE VIEW ...

Page 20: ...PCB LAYOUT ANDROID CONNECT BOARD BOTTOM SIDE VIEW 20 ...

Page 21: ...PCB LAYOUT INSPECT BOARD TOP SIDE VIEW 21 ...

Page 22: ...PCB LAYOUT DC DC BOARD TOP SIDE VIEW 22 ...

Page 23: ...23 PCB LAYOUT DC DC BOARD BOTTOM SIDE VIEW ...

Page 24: ...PCB LAYOUT TUNER BOARD TOP SIDE VIEW 24 ...

Page 25: ...PCB LAYOUT TUNER BOARD BOTTOM SIDE VIEW 25 ...

Page 26: ...EXPLODED VIEW DRAWING 26 ...

Page 27: ...e shooting Trouble shooting failure phenomena failure cause remark Product Model CED305A Area All area b To check whether the unit is in MUTE mode press SOURCE knob and check whether the audio input source is effective d To check whether the 8PIN audio ouput wire on the ISO connector is connected in place if the wires are inserted in wrong place or short cuirt it will cause no audio output of the ...

Page 28: ...el and pin of the USB d To check whether the CON703 connector is connected in place not loose the data communication of the all the CON703 flat cables and all the USB connected wire are normal b To check the voltage of the the first pin from the left power supply pin of the USB connector should be 5V e When the USB DET is on working mode the votalge should be 2V or above if on working the voltage ...

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