Mystery MCD-675MPU Schematics 5MPU KEY

7654321

8

D

LCD1
LCD-1816-MP3

COM11COM22COM33SEG14SEG25SEG36SEG47SEG58SEG69SEG710SEG811SEG912SEG1013SEG1114SEG1215SEG1316SEG1417SEG1518SEG1619SEG1720SEG1821SEG1922SEG2023SEG2124SEG2225SEG2326SEG2427SEG2528SEG2629SEG2730SEG2831SEG2932SEG3033SEG3134SEG3235SEG3336SEG3437SEG3538SEG3639SEG3740SEG3841SEG3942SEG4043SEG4144SEG4245SEG4346SEG4447SEG4548SEG4649SEG4750SEG4851SEG4952SEG5053SEG51

54

COM1

COM2

COM3

SG1

SG2

SG3

SG4

SG5

SG6

SG7

SG8

SG9

SG10

SG11

SG12

SG13

SG14

SG15

SG16

SG17

SG18

SG19

SG20

SG21

SG22

SG23

SG24

SG25

SG26

SG27

SG28

SG29

SG30

SG31

SG32

SG33

SG34

SG35

SG36

SG37

SG38

SG39

SG40

SG41

SG42

SG43

SG44

SG45

SG46

SG47

SG48

SG49

SG50

SG51

SG33

SG34

SG35

SG36

SG37

SG38

SG39

SG40

SG41

SG42

SG43

SG44

SG45

SG46

SG47

C

SG49
SG50
SG51

COM1

CE
CLK
DI

VDD

INH

COM2
COM3

R39

C2

102

47K

VDD

C1
104

B

SG48

48

49

SG49

50

SG50

51

SG51

52

SG52

53

COM1

54

COM2

55

COM3

56

VDD

57

INH

58

VDD1

59

VDD2

60

VSS

61

OSC

62

CE

63

CLK

64

DI

R40
1M

SG1

PT6523

SG11SG22SG33SG44SG55SG66SG77SG88SG99SG1010SG1111SG1212SG1313SG1414SG1515SG16

SG2

SG3

SG4

SG5

SG6

SG7

SG8

SG9

SG10

SG11

SG12

SG13

SG14

SG15

SG3333SG3434SG3535SG3636SG3737SG3838SG3939SG4040SG4141SG4242SG4343SG4444SG4545SG4646SG4747SG48
SG32

SG31
SG30
SG29
SG28
SG27
SG26
SG25
SG24
SG23
SG22
SG21
SG20
SG19
SG18
SG17

16

SG16

IC1
PT6523

32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17

SG32
SG31
SG30
SG29
SG28
SG27
SG26
SG25
SG24
SG23
SG22
SG21
SG20
SG19
SG18
SG17

2

4K7

APS

QSW

1

R24

2

4K7

CLK
QSW

1

2

2

MUTE

QSW

1

1

S

3K3

BAND
QSW

2

2K2

TDN
QSW

1

R23

R22

3K3

2K2

MUTE

PTY

1

3

R8

R9

R10

2

D1

D2

D3

D4

D5

D6

D7

D8

R6

R7

2

2

1K5

M6

TUP

QSW

QSW

1

1

R21

1K5

VOLB

SEL

45

C3

223

2

GND

C4

223

2

1K

1

R20

2

1K

1

3

ENCODE

ROTARY

EN-B

EN-A

1

R41
560

R42
560

R43
1K

R44
1K

R45
1K

R46
1K

R47
1K

R48
1K

R5

2

680R4470R3330R2220R1180

M5

QSW

R19
680

MODE
QSW

R37
1K
VOLA

2811-30P

6

7

R38
1K

2

M4
QSW

1

1

R18

2

470

1

ENC-

ENC+

M3
QSW

LOUD

QSW

R17

330

VDD
C6 47U

C5

+

D13

D12

D11

D10

D9

2

M2
QSW

1

R16

2

220

MONO

QSW

1

104

3 1

IR_SENSOR

R53
1K

R52
1K

R51
1K

R50
1K

R49
1K

LAM

M1
QSW

KEY2

J1

KEY2
DI
INH
CE
VDD
ENC+

R15

180

KEY1

2

POW

QSW

1

REM

U1

LAM
REM

CLK
KEY1

ENC-

1
2
3
4
5
6
7
8
9
10
11
12
13
14

JH-CON14

2

1

2

D

C

B

A

Title

SDMP3-1813-KEY.SC H

Number RevisionSize

A3

Date: 31-Jul-2007 Sheet of

1 2 3 4 5 6 78

File: D:\protelfile\KEY\129-SDMP3-1813-KEY.ddbDrawn By:

A