AKAI AV220, AV220 Service Manual

R19
22K

C32

C33

C34

5

6

2

3

5

6

2

3

5

6

2

3

C31

10uF16V

10uF16V

10uF16V

10uF16V

R20
22K

-OP

+OP

-OP

+OP

-OP

+OP

R34
18K

R36
18K

R38
18K

R40
18K

R42
18K

R44
18K

6

R13

RIN
10K
R14

OK1
10K
R15

LIN
10K
R16

OK2
10K

U9B

LOUT

7

JRC4558D

C45

220p

C46

220p

C47

100n

ROUT

1

U9A

C48

JRC4558D

8 4

100n

SLOUT

7

U10B

JRC4558D

C51

220p

C52

220p

C53

100p

SROUT

1

U10A

C54

JRC4558D

8 4

100p

COUT

7

U11B

JRC4558D

C57

220p

C58

220p

C59

100n

SWOUT

1

U11A

C60

JRC4558D

8 4

100p

D

C

B

A

54321

U7B

C35
100n

6

5

+5V5

JRC4558D

3K3

-OP
U7A

2

3

R21

JRC4558D

+OP +5V5

8 4

4K7
C36

10uF16V

R45

+VOP

3R

R46

-VOP
3R

U12

NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND

128KX8SRAM

Title

B

Date: 3-Sep-2003 Sheet of
File: E:\BBKAV2~2\SCH\922MOD.SCH Drawn By:

VCC

A15
CE2
/WE
A13

A11

A10

/CE1

I/O7
I/O6
I/O5
I/O4
I/O3

U6

8

VSS

7

VEE

16

VDD

4

Z

15

Y

14

X

+OP

C61
10uF16V

C62
10uF16V

-OP

+5V2

32
31
30
29
28
27

A8

26

A9

25
24

/OE

23
22
21
20
19
18
17

Number RevisionSize

4053

/WE
A13
A12
A14
A16
/OE
A15
/CE
D1
D3
D5
D6
D7

100n

A10

9

C

10

B

11

A

6

INH

3

Z1

5

Z0

1

Y1

2

Y0

13

X1

12

X0

C26

LOUT1

ROUT1

LOUT2

ROUT2

LOUT3

ROUT3

R17
22K

R18
22K

R33
4K7

C43
10uF16V

C44
10uF16V

R35
4K7

R37
4K7

C49
10uF16V

C50
10uF16V

R39
4K7

R41
4K7

C55
10uF16V

C56
10uF16V

R43
4K7

56

57

SURENC

/SDBCK0

A14

R29
470R

C41
1n

R30

470R

R31
470R

C42
1n

R32

470R

54

55

MUTE

KARAOKE

A13

A12

52

53

CRC

SDWCK1

A11

A10

R27
10K

7

R28
10K

1

51

VDD2

VSS

NONPCM

SDBCK1

SDOB0
SDOB1

SDOB2
RAMA7
RAMA8
RAMA9

VDD2

VSS
OPORT8
OPORT6
OPORT5
OPORT4
OPORT3
OPORT2
OPORT1
OPORT0

VDD1

YSS912

C20

30

100n

+OP

R23

C21
100n

+3V3

LR
SLSR
CSW

3K3

7

R25

C39

100n

1

C40

100n

R22
4K7

1
2

A7

3

A8

4

A9

5

A11

6

A6

7

A5

8

A4

9

A3

10

A2

11

A1

12

A0

13

D0

14

D2
D4

15
16

U8B

R24

6

10K

5

JRC4558D

-OP
U8A

R26

2

10K

3

JRC4558D

8 4

+3V3

C22
100n

U4

50
49
48
47
46
45

A7

44
43

A8
A9

42
41
40
39
38
37
36
35
34
33
32
31

+5V2

KOK

+5V5

37

38

39

40

41

P/S

DZF1

MCLK

DIF0/CSN

DIF1/SCL/CCLK

/IC

D0

71

72

73

74

75

RAMD0

RAMD1

RAMD2

RAMD3

RAMD4

+3V3 +3V3

C30

100n

35

36

AVSS

AVDD

DZF2/OVF

CLK

A2

69

70

VDD1

RAMA2

C17

100n

34

VCOM

VREFH

RIN+

LIN+

ROUT1
LOUT1
ROUT2
LOUT2
ROUT3

LOUT3

22

CDI

SCK

RIN-

LIN-

CDO

C19
470p

C29

C28
10uF16V

100n

U5

AK4527

MCE

SCE

65

66SO67SI68

/CS

/CSB

R12
10K

100n

33
32
31
30
29
28
27
26
25
24
23

A3

63

64

RAMA3

C18

/IC

62

TEST

ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3

A4

61

/IC

RAMA4

60

A5

59

VSS

A6

58

RAMA6

RAMA5

R9
10K

U2A

R2

D

2K2

C1

100n

DSIG1

C

J3

11

DSIG1

10

GND

9

917_CE

8

CLK

7

/IC

6

SCE

5

MCE

4

CDO

3

CDI

2

KOK

1

CON11

B

J2

OK2

13

OK1

12

GND

11

RIN

10

LIN

9
8
7

ROUT

6

COUT

5

LOUT

4

SROUT

3

SLOUT

2

SWOUT

1

CON13

J1

CON5

GND

5

+5V

4

GND

3

-VOP

2

+VOP

1

A

C4

3

100n

R3
4K7

D1

1N4148

D2
IN4148

R1

100K

C14

22p

C13

22p

+5V

1 2 3 4 56

2

C3

74HC02

33p

C2

2

1n

C9

4n7

R10
100R

Y1

R11

24.576MHz

1M

C12

100n

R51

+5V1 +5V2

3R

C66
100uF6V3

Q1
NPN

R47
330R

C63
100uF6V3

C64
100n

1

U1A
LM358

3

C10

100n

+5V1

10
11
12
13

R48
1K5

U13
TL431

R49
4K7

84
C5

100n

1
2
3
4
5
6
7
8
9

8

9

5

6

1

U2C

U2B

74HC02

R52
1R

R4
47K

C6
33p

U3

AVDD
PCC
AVSS
M/S
DDIN
TEST
/IC
VSS

ERR/BS
XO
XI

FS128/C
MCK

SYNC/U
VDD
SDO

SDMCK
SDBCK14SDWCK

YSS917

74HC02

C67
100uF6V3

R50
1R

+3V3

C65
100uF6V3

C8

100n

R5
10K

/LOCK

DBL/V

10

4

C7
100n

SCK

VDD

VSS

R8
1K

R6
10K

R7
47K

+5V1

U1B

7

LM358

/IC

5

6

CLK
CDI

+5V4

256FS

BCK
WCK
LR&DIR
SLSR
CSW
ADOUT

1
2
3
4
5
6
7
8

9
10
11

SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS

+5V4

42

43

44

LOOP1

LOOP0/SDA/CDTI

NC12DZFE13TVDD14DVDD15DVSS16PDN17TST18NC19ADIF20CAD121CAD0

CLK

28

CDI

27

SI

CDO

26

SO

917_CE

25

/CS

24
23

C11

INT

22

100n

21
20
19

11

12

U2D

74HC02

R54
3R

18
17
16
15

+5V1

256FS
WCK

LR&DIR

BCK

XI
LR

C15

147

100n

13

+5V4

C68
10uF16V

ADOUT

+3V3

BCK

C25
100n

A1
A0
/WE
/OE

WCK

+3V3

C24

100n

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

100

+5V4

+5V2

C23

100n

80

VDD2
SDWCK0
SDBCK0
SDIA0
SDIA1
RAMA1
RAMA0
RAMWEN
RAMOEN
VSS
VDD2
IPORT7
IPORT6
IPORT5
IPORT4
IPORT3
IPORT2
IPORT1
IPORT7
VSS

C27
100n

D7D6D5D4D3D2D1

76

77

78

79

VSS

RAMD5

RAMD6

RAMD7

VDD11RAMCEN2RAMA163RAMA154SDIB05SDIB16SDIB27XI8XO9VSS10AVDD11SDIB312TEST13TEST14OVFB15DTSDATA16AC3DATA17SDOB318CPO19AVSS20VDD221SDOA222SDOA123SDOA024RAMA1425RAMA1326RAMA1227RAMA1128RAMA1029VSS

R53

+5V5

1R

C69
100uF6V3

+5V2

C16
100n

A15

A16

/CE

L_OUT

R_OUT

SL_OUT

SR_OUT

J5
CON7

1234567

GND

C_OUT

LFE_OUT

*d:connet to R_R

*d:connet to L_L

R131

+7.5V

R_R

R108

L_L

33K

5.1IN_C
R110

5.1IN_SR
33K

5.1IN_SL

5.1IN_LFE

R112
33K

+7.5V

10K

Q14
9014

8

16

VSS

VDD

/QS10QS9Q811Q712Q613Q514Q47Q36Q25Q1

IN BB

X

Y

X

Y

101112131415161718192021222324

13

3

16
7
8

13

3

16
7
8

R6

L6

+10V

TUNER_EXT

+10V

L5

R5

USB_EXT

5.1IN_SR

R37

100K

L_L

R_R

5.1IN_LFE

5.1IN_SL

5.1IN_R

R38

100K

5.1IN_C

C1

2.2uF16V

5.1IN_L

123456789

R39
100K

C4

2.2uF16V

R40

100K

C2
104C3104

Q1
9014

R41
22K

-7.5V

+7.5V

Q3
9014

R42
22K

J13

1
2
3
4
5

CON5

5.1OUT_LFE

5.1OUT_SL

5.1OUT_SR

5.1OUT_L

5.1OUT_C

5.1OUT_R
OK_OUT

RR
LL
GND
OK_IN

1
2
3
4
5
6
7
8

9
10
11

J15

+7.5V

R43
4K7

R_R

2.2uF16V

Q2
9015

R147

C5

47K

104

C6

R148

104

47K

R44
4K7

L_L

Q4

9015

-7.5V

+7.5V

-7.5V
GND
+5V
GND

J14

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

CON13

OK_SELECT
CDI
CD_OUT
CE_912_MAIN
CE_912_SUB
/IC
CLK
CE_YSS917
GND
DIG_IN

CON11

RR

2.2uF16V

LL

D1

+7.5V

R68

C16

84

100n

+7.5V

C17
100n

C13
100p

C24

2.2uF16V

C25

2.2uF16V
C26

2.2uF16V

C27

2.2uF16V

R80
1K

C54

2.2uF16V

R99
47K

R78
10K

R74
**10K

C56

6n8

3

2

R53

1M
6

5

C32

10n

U4A

TL072

-7.5V
R52

1M

C14

22P

C15
22p

U4B

TL072

+7.5V

C29

100n

10
11
12
13
14
15
16
17
18
19
20

C33
224n

C34
15n

5

6

C18

R54

1

10K

10uF16V

J4

1
2
3
4
5

CON5

C19

R55

7

10K

10uF16V

U7

1

OUT4

2

OUT3

3

OUT2

4

OUT1

5

AVDD

6

SWIN

7

GNDS

8

SRIN

9

SLIN
GNDC
CIN
GNDR
RIN
GNDL
LIN
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS121RBASS1

M62446FP

U8B

4558D

7

R77
22K

C55

100p

R47

C7

1K

C9

2.2uF16V

C12

R45

100p

47K

4

1

2

3

U3

M62429

GND

VIN1

DATA

VOUT1

SDA
CLK_62429

CLOCK5VCC6VOUT27VIN2

8

R46
47K

R48

C10

C8

1K

2.2uF16V
C11
100uF6V3

U16

C83

TL431

100n

R49
4K7

J3

CON6

TO MIC_AMP

5.1OUT_SL

5.1OUT_SR

R51
150R

5.1IN_C

5.1IN_LFE

5.1IN_SL

5.1IN_SR

6
5
4
3
2
1

**10K

R79

C28

2.2uF16V

MIC_IN1
MIC_IN2
GND

-7.5V
+7.5V

MIC_EN

R76

4K7

+7.5V

**10K

R50
4K7

R75

R57
10K

OK_IN

R56
10K

DVDD

DATA

LATCH

DGND
AGND

SW OUT

SROUT
SLOUT

COUT
ROUT

RBASS3
RBASS2

3

2

6

5

LOUT
AVSS

RTRE

84

R58

10K

R60
10K
R61
10K

R59
10K

+5V

C31

100n

CLK

CL1
CL2
CR1
CR2

8 4

U8A

4558D

U5A

+7.5V

TL072

-7.5V

U5B
TL072

42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22

3

1N4146

22K

1

C21

10uF16V

R62

22K

C20

10uF16V

7
C22

10uF16V

R63

22K

SCL

SDA

CE_62446

C35

2.2uF16V

R87
22K

C36

2.2uF16V

C37

2.2uF16V

C38

2.2uF16V

-7.5V

C30

100n

R72
10K

R71
10K

2

C53

R73

-7.5V+7.5V

220p

22K

1

C39
100n

U1

R0

12

X0

R2

R1

14

R3 1K

BNC1A

D

R1

1

R7

BNC1C

4

R11

BNC1E

7

R15

BNC2A

C

1

BNC2C

4

R20 1K

BNC2E

7

R23 1K

BNC3A

1

R26

B

BNC3C

R25 47K

4

R29

BNC3E

7

R32

BNC4A

R31 47K

1

R35

BNC4C

A

4

2

1K

5

R5

1K

8

R9

1K

2

R13
47K

5

8

R19

2
R22 47K

1K

5

1K

8
R28 47K

1K

2

1K

5
R34 47K

1K

R4

BNC1B

R2

3

47K

47K

1

R8

1K

BNC1D

6

R6

47K

47K

4

R12

1K

BNC1F

9

R10

47K

47K

7

1K

R16

BNC2B

3

R14
47K
R17 1K

1

BNC2D

R18 1K

6

4

BNC2F

R21

1K

9

47K

7

BNC3B

1K

R24

3

1

BNC3D

1K

R27

6

4

BNC3F

R30

1K

9

7

1K

BNC4B

R33

3

1

BNC4D

R36

1K

6

4

25

J1

HEADER25

X1

L2

R2

15

X2

R3

11

X3

L0

1

Y0

L1

5

Y1

L2

2

Y2

R1

L3

4

Y3

IN A

LL
L5

5.1IN_L
L6

RR
R5

5.1IN_R
R6

IN AA

10

IN B

12
14
15
11

10

IN BB

VDD

6

INH

VEE

A

VSS

9

B

4052

U2

X0
X1
X2
X3

1

Y0

5

Y1

2

Y2

4

Y3

VDD

6

INH

VEE

A

VSS

9

B

4052

J8

1
2
3
4

CON4

J10

1
2
3
4

CON4

L1

R0
L0

R3
L3

R_OUT
L_OUT

5.1IN_R

5.1OUT_R

5.1IN_C

5.1OUT_C

5.1IN_L

5.1OUT_L

5.1IN_SR

5.1OUT_SR

5.1IN_SL

5.1OUT_SL

5.1IN_LFE

5.1OUT_LFE

1 2 3 4 5 6

MUTE

OK_MIX

R93
22K

Q5
9015

VDD

C51
100n

3

2

5

6

3

2

5

6

M1M2

X

Y

Z

VEE
VSS

R83
10K C43

10K

R95
10K

R133
100R

C23

10uF16V

14

R65

15

1K

4

+7.5V

16
7
8

-7.5V

84

+7.5V

1

U9A

C47

4558D

10uF16V

-7.5V

220P

U9B
4558D

7

10uF16V

R89

C44

220p

84

+7.5V

1
U10A
4558D

10uF16V

-7.5V

C45
220p

U10B
4558D

7

C50

10uF16V

R103
10K

C46
220p

U6

12

X0

13

X1

2

Y0

1

Y1

5

Z0

3

Z1

6

INH

11

A

10

B

9

C

4053

R81

C52

22K

100n

R82

1K

R88
1K

R94
1K

R101
22K

R102
1K

R132

C40

100R

100n

R64

1K

R67
22K

C48

C49

TO_MAIN_AMP

R66
22K

Q7

9014

R69
22K

R85
1K

R84
22K

R91
1K

R90

22K

R97

1K

R96
22K

R105
1K

R104

22K

*a:if input AC13VX2,it is 680R
*b:not used if no tuner
*c:not used if no RS232

Q6

9014

R70
22K

R86
22K

Q8
9014

R92
22K

Q9
9014

R98
22K

Q10
9014

R106
22K

Q11
9014

IN AA

U18 7810*b

1D2

4

MUTE

+7.5V

3

2

-7.5V

D3

1N4148

STR

OUT

1N4148

R127
10K

Q13
9014

U13
4094

1

IN

G

J11

2

84

R113

D2

U11A
4558D

470K

R145 0R5
1
2

R146

3

0R5

4
5

CON5

AC11V_0.5A

AC13VX2_0.3A

R116

C64

10K

100n

C62

2.2uF16V
1

5

C65
100n

R129
10K

Q12
9014

6

R115
100R

R114

10K

4K7

4K7

+5V

SCL
SDA
CE_4094

R126
10K

R155

R156

BMQ2_B

BMQ2_A

P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P27

P101P112P123P134P145P156P167P17

RADIO_CS

RADIO_TNNED

U11B

4558D

SIGNAL_DETECT

4K7

4K7

R158

R160

R157

SIGNAL_DETECT

BMQ1_A

BMQ1_B

DISP_STB

RADIO_DO

RADIO_MUTE

OSD_V/H

CE_OSD

C72
10n

R144

0R5

7

C63

10uF16V

4K7

4K7

4K7

R161

R162

DISP_CLK

DISP_DOUT

8

CLK_62429

CE_4094

D7

1N4002

D9

1N4002

C73
10n

R117
1K

CE_912_MAIN

CD_OUT

INT012INT113T014T1

RMT

1N4002

R120

OK_SELECT/IC

CDI

15

D8

C74

1N4002

2200uF25V

D10

C75

1N4002

2200uF25V

D11

1N4002 D12

D13

D5
1N4148

R118

22K

+5V

3K R121

3K

SCL

SDA

CE_62446

MIC_EN

28

EA/VP31X119X218RESET9RD17WR

+5V
R119
1M

CE_912_SUB

Y1

C67

12MHz

22p

Q17
NPN

R139
3K9

1N4002

D14

1N4002

R138
1K*a

10

C76
100uF16V

11

RXD

+12V

3300uF16V

30

TXD

ALE/P

VCC

GND

R141
1K*a

U15

TL431

R140
2K

U17
7805

1

IN

OUT

G

C80

2

R154

+5V

4K7*c

R153
4K7*c

D16
IN4148*c

Q20

9014*c

C71
10uF16V*c

R150
1K5*c

R151
4K7*c

U14

1

A0

2

A1

3

A2

29

GND4SDA

24C02

U12

+5V

80C51

C68

PSEN

100n

40

20

C69
10uF16V

R122
4K7

16

CLK

CE_YSS917

Title

C66

22p

Number RevisionSize

B

Date: 3-Sep-2003 Sheet of
File: E:\BBKAV 2~2\SCH\ MIAN.SCH Drawn By:

3

Q18
PNP

D4
IN4148

+5V

D15
1N4148*c

R152

1K5*c

C70

VCC

WP

SCK

3

+10V

C79
100uF16V*b

R107
33K

R109

33K

C61

2.2uF16V

R111

33K

R128
10K

R130

10K

15

3

OE

CLK

IN B

IN A

STANDBY

OK_MIX

R142

4K7
Q16
9015

R143

R123

10K

3K9

C81
100uF16V

100n

IN A
IN B

TO RS232

8
7
6
5

Q15

+7.5V

C77

1000uF16V

C78
1000uF16V

-7.5V

Q21
9015*c

+5V

DISP_CLK
SDA

R124
1K5

9015

R125
10K

R134

R135

654321

R137

4K7
C84
100uF16V

10K

J2

HEADER 9*c

+12V

STANDBY

10K

1
2
3
4
5
6
7
8
9

+10V
RADIO_CS
SDA
RADIO_TNNED
RADIO_MUTE
RADIO_DO
SCL

TO RADIO

RMT
GND
+5V
DISP_CLK
DISP_DOUT

DISP_STB
SDA
BMQ1_A
BMQ1_B
BMQ2_A
BMQ2_B

TO DIS BOARD

OSD_V/H
CE_OSD
+5V
SCL
SDA
DIG_IN
SELECT_B
SELECT_A
+7.5V
GND

-7.5V

J12

1
2

CON2Q19

8050

D

J7

12
11
10
9
8
7
6
5
4

C
3
2
1

CON12

TO OSD

J9

7
6
5
4
3
2

B

1

CON7

C82

J6

100P

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

CON12

A

321

+15V

R4

2

54

68R

1

D

3

R5
68R

R8

68R

2

54

1

SVID4
S-VID

SVID3
S-VID

12p

1p
14p

CE905

+

10u/16V

R11
470K

R9
68R

Q903
C9014

R10
470R

CE908

+

22u/16V

CE907

+

220u/16V

R911
68R

R912
1K

4

D

SVID2
S-VID

SVID1
S-VID

SVDOUT
S-VID

5p

15p

2p

11p

4p

+15V

-15V

R6
2K2

R7
2K2

D1
5V6/1/2W

D2
5V6/1/2W

CE2
10u/16V

CE1
10u/16V

+5V

-5V

R2
470K

Number RevisionSize

+15V

R3
68R

Q803
C9014

R1
470R

CE808

+

22u/16V

CE807

+

220u/16V

R811
68R

R812
1K

C

B

A

+5V

16

12

X0

14

X1

VDD

15

X2

11

X3

1

Y0

5

Y1

2

Y2

4

Y3

6

INH

10

A

9

B

VSS

8

B
A

-15V
GND
+15V

VDD

VEE

VSS

JP903

5PIN

13

X

3

Y

16
7
8

VEE

7

-5V

1
2
3
4
5

2IC901
CD4052

CE805

+

10u/16V

Title

A4

Date: 3-Sep-2003 Sheet of
File: E:\BBKAV2~2\SCH\S-VIDEO.SCH Drawn By:

R13

3

68R

R14

2

54

68R

C

B

A

1

R15

3

68R

R16
68R

2

54

1

R17

3

68R

2

54

1

3

1 2 3 4