Akai MP-1200-RC Service manual

MP3 PLAYER

Model:

MP1200RC

SERVICE MANUAL

7654321

VCC

D

PLAY

K1

GPIOB6

R22
51k

VCC

K2

STOPK3REC

GPIOB5 GPIOB4

R15

R16

51k

51k

VCC

1

3

4

GPIOB2

GPIOB1

R24
51K

SW1
COMPLEX SWITCH

2

GPIOB6

R25

R26

51K

51K

VMIC

MICIN

L5

1uH

C24

224

R12

mic1

2.2k

EM5BPS

C25

104

CE10

+

AR

220uF

CE11

+

AL

220uF

L6

1uH

C22
103

R13
0

FM_ANT

EAR1

PHONEJACK STEREO

L7

1uH

C23
103

R14
0

LCM_CE­LCM_RST
LCM_A0
MWR­MRD­D0
D1
D2
D3 D4

J1

1
2
3
4
5
6
7
8
9 10

8

D

GND

18

VCC

17
16

B
G

15

R

14

D7

13

D6

12

D5

11

18PIN

D4

VDDIO

VCC

L3

VCC

220uH

CE1

+

R3

VDD

4R7

CE4

+

+

47uF

CE9

10uF

CE2

47uF

47uF

L4

220uH

CE5

47uF

L2

VBAT

VBAT

L1

39uH

39uH

LXVCC

RB491D

D3

LXVDD

RB491D

USBPOWER

C

R1
100K

R2

DCDIS

150K

D1

1N4148

U3
XC6206P332M

3

VIN

VCC

VCC

2

VOUT

G

1

DC-DC

AVCC

+

AVDD

AVDD

+

U2
XC6206P152M

3

VIN

1

GND
A

Voltage Reference

2

VREFI

VOUT

C1

224

G

1

S1

2
3

VCC

HOLD key

+

CE3
10uF

HOLD

HOSCO

HOSCI

C6

15pF

Y1

24.576M

C7

15pF

C

High= Hold

VCC

VDD

C4

C5
224

224

B

49

GND

GND

50

D7

D7

51

D6

D6

52

D5

Ground

CB1

AGND

NGND

AVCC

C15

A

224

CB3

AVDD

GND

VBAT

CE7

+

C16

47uF

224

C11
224

D4
D3
D2
D1
D0
MWR­MRD­CLE
ALE
FM_DAT
FM_CLK
VDD

VDD

D5

53

D4

54

D3

55

D2

56

D1

57

D0

58

MWR#

59

MRD#

60

CLE

61

ALE

62

GPIO_C1

63

GPIO_C0

64

VDD

VCC

C12
224

1 2 3 4 5 6 7 8

RGB

PIOB6

VCC

48

47

VCC

ICERST#

GPIOB4

GPIOB5

G

42

46

45

ICEEN#

GPO_A143GPO_A244GPO_A0

GPIO_B440GPIO_B541GPIO_B6

GND

LASH_CE1-

N

FLASH_CE2-

VDD

GPIOB2

LCM_CE-

LXVCC

F

35

39

33

34

36

38

VDD

CE3#

CE2#37CE1#

LXVCC

GPIO_B2

U1

ATJ2085

GPIO_G01RESET#2VCC3GND4USBD-5USBD+6PAVCC7AOUTR8AOUTL9PAGND10VRDA11MICIN12VMIC13FMINL14FMINR15AGND

SBD+

HOLD

USBD-

U

VCC

ARALV

GND

C13

CE6

+

104

100uF

16

RDA

MICIN

VMIC

AGND

FMINL

FMINR

C14
474

AGND

NGND

LXVDD

GPIO_B1
GPIO_C2
GPIO_B0

DCDIS

BATSEL

HOSCO

HOSCI

LRADC

VDDIO

AVDD
VREFI

GND

AVCC

FMINL

FMINR

C19

C18

J3

224

LXVDD

32
31

VBAT
GND
GPIOB1

LCM_A0

LCM_RST
DCDIS

HOSCO
HOSCI

VCC
VDDIO
AVDD
VREFI
AVCC

C9

BAT

30
29
28
27
26
25
24
23
22
21

VP

20
19
18
17

R4

VCCFM

0

104

47K

R9

47K

R5
0

R10

VCCFM

C17

C21

104

103C3102C2100

224

AGND

FM_CLK
FM_DAT

+

CE8
47uF

FM

6

R-OUT

7

L-OUT

3

GND

5

BUS-EN

4

WR

1

CLK

2

DATA

B1

100M\600R

C20

9

ANT

CC
V

8

VCCFM

470pF

FM_ANT

Storage Module

FLASH_CE2-

VCC

Title

MP3_SKON_MAIN

Number RevisionSize

A3

Date: 29-Nov-2004 Sheet of
File: E:\)*+,-./0°2_001\sch\mp_524_MAIN.DDBDrawn By:

R11
0

MWR­ALE
CLE
FLASH_CE1-

MRD-

USB Module

J2

USBPOWER

1
2
3

SB Port
U

4

19

WP

18

WE

17

ALE

16

CLE

9

CE1

10

CE2

8

RE

7

R/B

6

SE

R7 24

R8 24

12

37

CC
V

SS
V

13

36

USBD­USBD+

U5

VCC

I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
I/O0

VSS

K9K1G08U0M

GND

B

VCC

C10
224

44

D7

43

D6

42

D5

41

D4

32

D3

31

D2

30

D1

29

D0

A