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Roland A-6, Service Notes, Page: 13 / 20

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Roland A-6 Service Notes Download Page 13

Oct,  1998

A-6

13

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

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

29

30

31

32

33

34

35

36

37

38

39

40

41

42

V

W

X

Y

Z

MONITOR

CD

VCR

GPI

TC170C140AF-003

IC11

OSC

29

SYO

132

SYI

133

TRCKO

107

TRCKIN

56

TRS5

101

TRS4

102

TRS3

103

TRS2

104

TRS1

105

TRS0

106

TRR5

62

TRR4

61

TRR3

60

TRR2

59

TRR1

58

TRR0

57

VPOUT

53

MCK1

130

MCK0

131

BCK1

128

BCK0

129

LRCK1

124

LRCK0

125

DA7

111

DA6

112

DA5

113

DA4

114

DA3

115

DA2

116

DA1

117

DA0

118

AD3

120

AD2

121

AD1

122

AD0

123

TYPE

65

DIRECT

64

INT1

66

INT0

67

RST2

51

RST1

52

CS

68

WR

69

RD

70

CA0

88

CA1

87

CA2

86

CA3

85

CA4

84

CA5

83

CA6

82

CA7

81

CA8

79

CA9

78

CA10

77

CA11

76

CA12

75

CA13

74

CD0

99

CD1

98

CD2

97

CD3

96

CD4

95

CD5

94

CD6

93

CD7

92

WE

13

CAS

14

RAS

15

PSEA16

136

PSEA15

137

PSEA14

138

PSEA13

139

PSEA12

140

PSEA11

141

PSEA10

142

EA9

27

EA8

26

EA7

25

EA6

24

EA5

23

EA4

22

EA3

21

EA2

20

EA1

17

EA0

16

ED23

49

ED22

48

ED21

47

ED20

46

ED19

45

ED18

44

ED17

43

ED16

42

ED15

39

ED14

38

ED13

37

ED12

36

ED11

35

ED10

34

ED9

33

ED8

32

ED7

10

ED6

9

ED5

8

ED4

7

ED3

6

ED2

5

ED1

4

ED0

3

VSS_20

143

VSS_19

135

VSS_18

127

VSS_17

119

VSS_16

110

VSS_15

100

VSS_14

91

VSS_13

89

VSS_12

80

VSS_11

73

VSS_10

71

VSS_9

63

VSS_8

55

VSS_7

50

VSS_6

40

VSS_5

31

VSS_4

28

VSS_3

19

VSS_2

11

VSS_1

2

VDD_13

144

VDD_12

134

VDD_11

126

VDD_10

109

VDD_9

108

VDD_8

90

VDD_7

72

VDD_6

54

VDD_5

41

VDD_4

30

VDD_3

18

VDD_2

12

VDD_1

1

D1

DAN202

3

1

LRCK

BCK

MCK

SYI

SYI,MCK,BCK,LRCK

SYI

MCK
BCK

LRCK

LRCK

BCK

MCK

VCC

C318

100P

C317

100P

C316

100P

C315

100P

100P

C314

100P

C313

C312

100P

C311

100P

C300

100P

C301

100P

R35

10K

VCC

10K

R36

C206

33P

C44

10P

TO PANEL BOARD CN2

TO PANEL BOARD CN1

CN9

B15B-PH-K-S

13

11

9

8

7

6

5

4

3

2

1

10

12

14

15

TO LCD UNIT

0161-03025

CN8

16

14

12

10

1

2

3

4

5

6

7

8

9

11

13

15

EDA3

LRCK1

EBCK

LRCK1

EMCK

EDA0

EDA1

EDA[0:3],EBCK,EMCK,LRCK1

EDA2

EDA0

EDA1

EBCK

EMCK

EDA2

LRCK1

EBCK

EDA3

EMCK

R302

10K

R301

220K

330K

R300

C39

3.3/50

+

C14

.47

.47

C13

270

R14

270

R13

R12

3.3K

R11

3.3K

R101

220

Q4

2SA1037K

3

2

1

CN10

S-K-PH-B14B

13

11

9

8

7

6

5

4

3

2

1

10

12

14

UPC4570

IC36

-

+

5

6

7

47P

C201

33P

C207

33P

C210

C211

33P

C212

33P

33P

C213

C205

.0022

C204

.0022

C203

.0022

C202

.0022

R133

33K

33K

R130

R127

33K

33K

R125

IC26

UPC4570

-

+ 3

2

1

C208

33P

33P

C209

68K

R116

68K

R118

IC38

TC7W32F

1

2

7

IC38

TC7W32F

3

6

5

IC37

VHC00

12

13

11

IC37

VHC00

8

10

9

IC37

VHC00

4

5

6

IC37

VHC00

3

2

1

C23

220/6.3

+

R200

100

10/16

C52

+

27K

R68

UPC4570

IC28

-

+ 3

2

1

R44

100

R46

22

-15V

C145

10/16

+

C216

33P

33P

C217

33P

C60

C53

10/16

+

C50

10/16

+

470

R137

470

R136

470

R135

470

R134

C57

10/16

+

C56

10/16

+

10/16

C54

+

+15V

C219

100/16

+

R43

330

-15V

D102

DAN202

1

3

D3

DAN202

3

1

220/6.3

C106

+

VCC

RA2

1

2

3

4

5

6

7

8

UPC4570

IC25

-

+

5

6

7

UPC4570

IC25

-

+

1

2

3

100K

R100

100

R51

R20

100

D101

DAN202

1

3

.001

C18

.001

C17

A13
A12
A11
A10

A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

A18

A[0:23]

A0

A19

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A1
A2
A3
A4
A5
A6
A7
A8

A10

A9

A23
A22
A21

A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

A20

A21
A22

A23

A20

A1

A0

A2

A3

A17

A16

A15

A14

A13

A12

A11

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A7
A6
A5
A4
A3
A2
A1
A0

A19

PS-50PE-D4T1-B1

CN6

40

39

38

37

36

35

32

25

24

23

22

21

19

17

13

9

8

7

6

5

4

3

2

10

12

14

15

16

18

20

26

28

29

30

31

33

34

41

42

43

44

45

46

47

48

49

27

1

11

50

SCSIDRQ

Q12

DTA114EK

2

3

1

VHC04

IC2

5

6

VCC

VHC86

IC18

11

13

12

VHC86

IC18

8

10

9

IC18

VHC86

6

4

5

VHC86

IC18

3

1

2

C25

.01

C26

.22

R23

10K

VHC393

IC20

Q3B

Q2B

CKA
RDA
Q1A
Q2A
Q3A
Q4A
GND

Q1B

Q4B

RDB

CKB

VCC

9

10

1
2
3
4
5
6
7

11

8

12

13

14

IC21

VHC153

16

VCC

7

1Y

9

2Y

8

GND

A

14

B

2

1G

1

2G

15

1C0

6

1C1

5

1C2

4

1C3

3

2C0

10

2C1

11

2C2

12

2C3

13

CN4

7

6

5

4

3

2

1

CN2

B11B-PH-K-S

1

10
11

2
3
4
5
6
7
8
9

B3B-XH-A

CN11

3

2

1

GND

GND

20M

X1

EAD0
EAD1
EAD2
EAD3

EAD[0:3]

EAD1

EAD2

EAD3

EAD0

UPC4570

IC31

-

+

3

2

1

UPC4570

IC31

-

+

7

6

5

UPC4570

IC30

-

+

1

2

3

UPC4570

IC30

-

+

5

6

7

UPC4570

IC36

-

+

1

2

3

UPC4570

IC34

-

+

7

6

5

UPC4570

IC34

-

+

3

2

1

UPC4570

IC28

-

+

7

6

5

UPC4570

IC27

-

+

5

6

7

UPC4570

IC27

-

+

1

2

3

VCC

WIRING POWER UNIT

FROM P.S UNIT

TO MIDI BOARD CN1

R131

2.2K

10K

R206

R208

10K

10K

R207

R205

10K

10K

R204

10K

R202

VCC

10K

R16

VHC04

IC2

9

8

IC2

VHC04

12

ID12

ID7

ID9

ID7

ID4

ID5

ID[0:15]

ID0
ID1
ID2
ID3

ID13
ID14

ID15

ID5

ID6

ID8
ID9

ID10

ID11

ID4

ID10

ID5

ID9

ID6

ID8

ID7

ID15

ID0

ID14

ID1

ID13

ID2

ID12

ID3

ID11

ID4

ID10

ID6

ID8

ID11

ID15

ID0

ID14

ID1

ID13

ID2

ID12

ID3

RA16

1

2

3

4

5
6
7
8

8

7

6

5

4
3
2
1

RA15

1

2

3

4

5
6
7
8

1

2

3

4

5
6
7
8

RA14

1

2

3

4

5
6
7
8

1

2

3

4

5
6
7
8

RA13

1

2

3

4

5
6
7
8

1

2

3

4

5
6
7
8

LED3

L

R

R

IC23

AK4520

21

VD

20

TS1

19

TS2

18

TS3

22

DGND

27

AOUTR

26

AOUTL

16

DEM0

17

DEM1

25

CMODE

9

DIF0

10

DIF1

24

PWAD

23

PWDA

11

LRCK

12

SCLK

13

SDTI

14

SDTO

15

MCLK

3

AINR

4

VRADR

5

AINL

6

VRADL

28

VCOM

2

VREFL

8

AGND

1

VREFH

7

VA

220/6.3

C137

+

C131

220/6.3

+

220/6.3

C130

+

C129

220/6.3

+

C16

3.3/50

+

10/16

C48
+

.1

C107

.1

C101

C144

10/16

+

C142

10/16

+

10/16

C140

+

R27
150

150

R29

150

R28

C138

10/16

+

C43

10/16

+

C42

10/16

+

10/16

C41

+

10/16

C45

+

10/16

C49
+

C47

10/16

+

C46

10/16

+

C69

10/16

+

C68

10/16

+

C152

10/16

+

10/16

C65

+

10/16

C64

+

C63

10/16

+

10/16

C62

+

C146

10/16

+

C3

220/6.3

+

CN5

B7B-PH-K-S

1

2

3

4

5

6

7

IC24

AK4520

21

VD

20

TS1

19

TS2

18

TS3

22

DGND

27

AOUTR

26

AOUTL

16

DEM0

17

DEM1

25

CMODE

9

DIF0

10

DIF1

24

PWAD

23

PWDA

11

LRCK

12

SCLK

13

SDTI

14

SDTO

15

MCLK

3

AINR

4

VRADR

5

AINL

6

VRADL

28

VCOM

2

VREFL

8

AGND

1

VREFH

7

VA

+15V

VCC

.47

C74

.47

C150

.47

C149

C147

.47

VCC

-15V

C61

33P

150P

C29

C34

10P

GND

DTC314TK

Q7

1

3

2

VCC

M_OUT-

M_OUT+

M_IN-

M_IN+

VCC

TRS1
TRS2
TRS3
TRS4
TRS5

TRS4

TRS3

TRS2

TRS1

TRS5

TRS[1:5]

TRS2
TRS3
TRS4
TRS5

10K

R69

R67

10K

R139

10K

R142

10K

IC35

HC4053

0X
1X
0Y
1Y
0Z
1Z

VCC

X
Y
Z
A
B
C

INH

GND

VEE

12
13

2
1
5
3

16

14
15
4
11
10
9
6

8

7

1K

R73

R121
100K

10

R98

10K

R124

VCC

VCC

R122
100K

100K

R123

100K

R120

10K

R103

MA153

D6

1

3

2

1

2

1

2

1

2

D7

MA153

3

-15V

R52

100

22K

R78

C72

100P

GND

CS4

IRQ3

RESET

CS1

68/80

D/I

WR

RD

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

VDD

VSS

IN1L_A

GND

GND

GND

VHC08

IC17

6

5

4

R97

10

Q10

DTC314TK

1

3

2

DTC314TK

Q9

1

3

2

R80

1K

1K

R79

D2

MA153

2

3

1

P61

P26

P25

P20

P24

P21

P22

OUT_L

IN_R

IN_L

IN2L_B
IN2R_B

IN2R_A

IN2L_A

IN1L_B
IN1R_B

IN1R_A

R63
47K

150

R26

EDA1

OUTR_A

LGR4609-7000

JK3

1

2

3
4

R95

22K

22K

R92

C12

.1

C11

.1

GND

GND

512FS

R54

100

47K

R115

R108
100K

R107
100K

100K

R106

R

L

C36

100P

100P

C35

TRS5

TRS4

TRS3

TRS2

TRS1

TRCK0

D/A0

D/A1

D/A2

D/A3

A/D0

A/D1

A/D2

A/D3

TRCKIN

TRR1

TRR2

TRR3

TRR4

CLKI

LRCK1

MCK1

MCK0

BCK0

LRCK0

D/A4

D/A5

D/A6

D/A7

XRST

RX1

TX1

GND

GND

GND

VCC

VCC

GND

VCC

VCC

DA1

GND

VCC

VCC

VCC

MUTE

GND

C24

15P

+15V

+15V

VCC

GND

VCC

A16

VCC

VCC

VCC

IC15

VHC245

10

GND

2 A0

A1

3
4 A2

5 A3

6 A4

7 A5

A6

8
9 A7

B0 18
B1 17

16

B2

15

B3
B4 14

13

B5
B6 12

11

B7

1

DIR

VCC

20

OE

19

19

20

1

11

12

13

14

15

16

17

18

9

8

7

6

5

4

3

2

IC14

VHC245

10

GND

2 A0

A1

3
4 A2

5 A3

6 A4

7 A5

A6

8
9 A7

B0 18
B1 17

16

B2

15

B3
B4 14

13

B5
B6 12

11

B7

1

DIR

VCC

20

OE

19

2
3
4
5
6
7
8
9

18
17
16
15
14
13
12
11

1

20

19

EDA2

D8

A2

+15V

VCC

VCC

R41

1.5K

R56

1K

-15V

+15V

+15V

100P

C67

C66

100P

R141

47K

47K

R140

VCC

VCC

VCC

R37
10K

AN78L05M

IC22

G

N

D

OUT

IN

2

1

3

1K

R4

VCC

1K

R83

.1

C122

.1

C123

.1

C125

.1

C124

.1

C120

.1

C121

.1

C119

+5V

GND

VCC

VCC

R5

100

-15V

GND

+15V

DD08

C2

10P

220K

R42

VCC

220

R2

220

R3

.1

C21

VCC

VCC

RESET

GND

DD07

DD06
DD09
DD05
DD10
DD04
DD11
DD03
DD12

DD13
DD01
DD14
DD00
DD15

(KEY)
DMARQ

GND

DIOW

GND

DIOR

GND

IORDY

CSEL

DMACK

GND

INTRQ

IOCS16

DA1

PDIAG

DA0
DA2
CS0
CS1

DASP

GND

VCC

VCC

+5V

10K

R38

R84

1K

100P

C37

C38

100P

C105

.1

MNR35

RA12

6

1

10

9

8

7

5

4

3

2

MNR35

RA11

2
3
4
5
7
8
9

10

1

6

MNR35

RA10

6

1

10

9

8

7

5

4

3

2

VCC

GND

+5V

.1

C118

VCC

100P

C70

C71

100P

IDE

R96
47K

VCC

VCC

DD02

C51

.1

IC17

VHC08

1

2

3

VCC

IC17

VHC08

9

10

8

R99

1K

VCC

Q3

DTC114EK

1

3

2

-15V

MIC_A
MIC_B

OUTL_B

VREF
VR_1
VR_2
VR_3
VR_4
VR_5
VR_6
VR_7
VR_8

L

R

MIC

R34
10K

R33
10K

LS0

LS1

LS2

SS0

SS1

SS2

GND

.1

C5

C7

.1

.1

C8

.1

C20

R18
10K

C6

.1

C4

.1

C9

.1

.1

C27

.1

C28

1K

R74

R55
10K

R47
47K

27K

R58

A0

D15

D13

D12

D10

D9

S1

S2

S3

A1

OUTL_A

10P

C1

D11

GND

LGR4609-7000

JK5

4

3

2
1

JK1

LGR4609-7000

4

3

2
1

IC1

A
NC
C

VCC

GND

O

PC410

1
2
3

6

4

5

IC19

VDD

LOCK

S2

M2
M1
CKO
VSS

REF

PD

VDDA
AMPI
AMPO
VSSA

XI
XO

S1

TC9246F

13

8

7

6

5

4

3

2

1

9

10

11

12

14

15

16

D4

MA153

2

3

1

VCC

GND
GND
VCC
VCC
CE
A17
D15

D14
A15
D13
A14
D12
A13
D11
A12
D10
A11
D9
A10
D8
A9
GND
GND
D7
A8
D6
A7
D5
A6
D4
A5
D3
A4
D2
A3
D1
A2
D0
A1
OE
A0
VCC
VCC
GND
GND
WRA
WRB

VCC

VR_9

GND

-15V

D14

MCK

GND

SYI

BCK

GND

LRCK

AD1

PF1

+15V

-15V

MA153

D5

3

2

1

R45
10K

C10

.1

3.3K

R15

RD

HWR

GND

EBCK

ELRCK

EMCK

10K

R48

VCC

GND

VCC

TRR5

R53

100

TO OPTION BOARD

R76
22K

VCC

R57

10K

68K

R114

R113

47K

R93
47K

100K

R105

IC4

HC4053

0X
1X
0Y
1Y
0Z
1Z

VCC

X
Y
Z
A
B
C

INH

GND VEE

12
13
2
1
5
3

16

14
15

4

11
10

9
6

8

7

R49

100

VCC

RST

C73

100P

Q5

DTC314TK

1

3

2

R66

1K

R62

1K
Q6

DTC314TK

1

3

2

1K

R65

R64
47K

1K

R61

R70

27K

C55

.1

VCC

R25

150

GND

47K

R117

22K

R94

22K

R91

47K

R110

47K

R112

EDA0

LED1

LED2

VCC

A3

IC6

M51953A/BFP

VCC

RST

NC4

NC3

NC2

NC1

GND

DEL

5

4

1
2

3
8

6

7

VCC

SS[0:2],SSEN,LS[0:2],LLCK

LLCK

LS0

LS1

LS2

SS0

SS1

SS2

SSEN

LS0

LS1

LS2

LLCK

SS0

SS1

SS2

SSEN

GND

GND

IC3

HC4053

0X
1X
0Y
1Y
0Z
1Z

VCC

X
Y
Z
A
B
C

INH

GND

VEE

7

8

6

9

10

11

4

15

14

16

3

5

1

2

13

12

B10B-PH-K-S

CN3

SENSER

VCC

LED_R

LED_L

PLS_R

PLS_L

-15V

A.GND

D.GND

+15V

1

10

2
3
4
5
6
7
8
9

VCC

R19

1K

R24
150

R109

47K

.1

C108

.1

C110

.1

C109

.1

C113

.1

C114

.1

C112

.1

C111

C117

.1

.1

C116

.1

C115

VCC

D8

MA153

3

MA153

D9

3

VCC

LD5

LD4

LD3

LD2

LD1

LD0

LCD_RD

LCD_WR

LCD_CS

LD7

LD[0:7],LCD_CS,LCD_RD,LCD_WR

LD6

LD0

LD1

LD2

LD3

LD4

LD5

LD6

LD7

LCD_WR

LCD_RD

LCD_CS

IC17

VHC08

11

13

12

GND

VCC

VCC

VCC

R50

100

-15V

OUTR_B

B6B-PH-K-S

CN15

6

5

4

3

2

1

1K

R71

10K

R104

1.8K

R72

HC4053

IC33

0X
1X
0Y
1Y
0Z
1Z

VCC

X
Y
Z
A
B
C

INH

GND

VEE

7

8

6

9

10

11

4

15

14

16

3

5

1

2

13

12

TMS418169A

IC8

13

WE

30

UCAS

14

RAS

29

OE

31

LCAS

42

VSS3

37

VSS2

22

VSS1

21

VCC3

6

VCC2

1

VCC1

32

NC5

16

NC4

15

NC3

12

NC2

11

NC1

34

D9

33

D8

10

D7

9

D6

8

D5

7

D4

5

D3

4

D2

41

D15

40

D14

39

D13

38

D12

36

D11

35

D10

3

D1

2

D0

28

A9

27

A8

26

A7

25

A6

24

A5

23

A4

20

A3

19

A2

18

A1

17

A0

17
18
19
20
23
24
25
26
27
28

2
3

35
36
38
39
40
41

4
5
7
8
9

10
33
34

11
12
15
16
32

1
6
21
22
37
42

31

29

14

30
13

IC9

LH28F800SUT

WP

WE

RY/BY

RP

OE

CE1

CE0

BYTE

3/5

VPP

VCC3

VCC2

VCC1

NC4

NC3

NC2

NC1

GND3

GND2

GND1

D9
D8
D7
D6
D5
D4
D3
D2

D15
D14
D13
D12
D11
D10

D1
D0

A9
A8
A7
A6
A5
A4
A3
A2

A19
A18
A17
A16
A15
A14
A13
A12
A11
A10

A1
A0

32

28

18

17

13

12

11

10

8

7

6

5

27

26

25

24

23

22

20

19

33

35

39

41

45

47

50

52

38

40

44

46

49

51

34

36

21
42
48

3
4

29
30

9
37
43

15

1

31

14

2

54

16

53

55

56

VCC

VCC

DTC114EK

Q2

1

3

2

VHC04

IC2

4

3

DTC114EK

Q11

1

3

2

Q1

DTC114EK

1

3

2

R9

330

330

R8

10K

R81

AD1

DA1

AD0,AD1,DA0,DA1

AD0
AD1

DA0
DA1

DA0

AD0

R59

10K

R60

27K

10K

R128

10K

R129

10K

R132

220

R1

10K

R126

B13B-PH-K-S

CN13

12

10

1
2
3
4
5
6
7
8
9

11

13

22K

R82

22K

R138

100K

R119

VCC

VCC

ED5
ED6
ED7
ED8
ED9

ED10
ED11

ED4

ED4
ED5
ED6
ED7
ED8
ED9
ED10
ED11

ED[4:11]

L

1K

R21

.01

C22

IC10

HC138

A
B
C

G1

GND

VCC

Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7

G2A
G2B

1
2
3

6

8

16

15
14
13
12
11
10
9
7

4
5

R39

10K

10K

R40

GND

RA3

1

2

3

4

5

6

7

8

RA4

1

2

3

4

5

6

7

8

RA19

RA20

RA21

RA22

RA23

RA24

1 2 3 4

5

6

7

8

1 2 3 4

5

6

7

8

1 2 3 4

5

6

7

8

1 2 3 4

5

6

7

8

1 2 3 4

5

6

7

8

1 2 3 4

5

6

7

8

150P

C31

150P

C33

C32

150P

C30
150P

.47

C148

C151

.47

RA17

1
2
3
4

5

6

7

8

220/6.3

C132

+

C133

220/6.3

+

220/6.3

C134

+

C135

220/6.3

+

220/6.3

C136

+

.1

C103

L1

BLM41A151S

2

1

2

1

L3

BLM41P750S

2

1

2

1

L2

BLM41A151S

2

1

1

2

100

R30

R32

330

330

R146

R31
330

VHC04

IC2

13

12

VHC04

IC2

10

11

DTC114EK

Q8

1

3

2

SP_L
SP_R
MUTE
GND

VCC

10K

R201

TO PANEL BOARD CN6

TO PANEL BOARD CN7

TO PANEL BOARD CN5

TO BEAM BOARD CN1

TO DISK DRIVE UNIT

1
2
3
4
5
6
7

10/16

C143

+

C141

10/16

+

C139

10/16

+

R145

8.2K

10K

R22

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

ENC_A

ENC_B

+5V

+5V

PS-40PE-D4T1-B1

CN12

39

38

37

36

35

32

25

24

23

22

21

19

17

13

11

9

8

7

6

5

4

3

2

1

10

12

14
15
16

18

20

26
27
28
29
30
31

33
34

40

VCC

B4B-PH-K-S

CN1

1

2

3

4

LLCK

SSEN

D100
DAN202

3

1

PD5

PD6

PD7

PD7

PD7

PD5

PD3

PD1

PD0

PD2

PD4

PD6

PD6
PD5
PD4
PD3
PD2
PD1
PD0

PD[0:7]

PD4

PD3

PD2

PD1

PD0

IRQ0

DRQ0,DRQ1,DRQ_R,IRQ0,IRQ2,IRQ3

DRQ_R

DRQ0

DRQ1

DRQ0

IRQ0

IRQ2
IRQ3

IRQ3

IRQ3

IRQ2

DRQ_R
DRQ1

+15V

3.3/50

C218

+

C215

33P

-15V

47P

C200

C220

10/16

+

DAN202

D13

1

3

DAN202

D12

1

3

RA18

1

2

3

4

5
6
7
8

1

2

3

4

5
6
7
8

DAN202

D10

1

3

DAN202

D14

3

1

IDCS0
IDCS1

IDA3

IDA1

IDRD
IDWR

IDA[1:3],IDCS[0:1],IDRD,IDWR

IDA2

IDA3
IDA2
IDA1

IDCS1
IDCS0

IDRD

IDWR

DAN202

D11

3

1

C19

.47

UPC4570

IC29

-

+ 5

6

7

UPC4570

IC29

-

+

1

2

3

47K

R102

10/16

C40

+

C15

3.3/50

+

R111

68K

UPC4570

IC26

-

+

7

6

5

R10

220

R17
10K

512FS

1536FS

768FS

512FS

FS

CN16

50

11

1

27

49

48

47

46

45

44

43

42

41

34

33

31

30

29

28

26

20

18

16

15

14

12

10

2
3
4
5
6
7
8
9

13

17

19

21
22
23
24
25

32

35
36
37
38
39
40

2200/25

C102

+

C104

2200/25

+

C58

100P

100P

C59

JK2

YKC21-3881

1

2

YKC21-3881

JK2

4

3

YKC21-3881

JK2

8

7

OUT_R

CN17

4

3

2

1

JK4

YKC21-3881

1

2

YKC21-3881

JK4

4

3

JK4

YKC21-3881

5

6

JK4

YKC21-3881

8

7

CN7

9

8

7

6

5

40

4

39

38

37

36

35

34

33

32

31

30

3

29

28

27

26

25

24

23

22

21

20

2

19

18

17

16

15

14

13

12

11

10

1

A19

JK2

YKC21-3881

5

6

PHONES

MASTER

100P

C302

C303

100P

100P

C304

C305

100P

100P

C306

C307

100P

100P

C308

C309

100P

C310

100P

GARD

RD

RD

RD

LWR
HWR

RD
HWR

RD

RST

WAIT1

RST

HWR

RST

WAIT1

WAIT0

RST

RST

AS,RD,GARD,BRD,HWR,LWR,WAIT0,WAIT1,CLK,RST

RST

CLK

LWR

HWR

AS

RD
HWR

RST

WAIT0

CLK

RST

AS

HWR

GARD

D2

D15
D14
D13
D12
D11
D10

D9
D8

D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15

D7

D15

D0

D14
D1
D13
D2
D12
D3

D11
D4
D10
D5
D9
D6
D8

D14

D15

D13

D12

D11

D10

D9

D8

D[0:15]

D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3

D1
D0

D2

D15

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D0

D1

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

CS6

CS1,CS3,CS[5:7]

CS1

CS3

CS5
CS6
CS7

CS7

CS5

CS3

CS1

CS3

R75
22K

R77
22K

VCC

Q100

DTA114EK

2

3

1

P26

P23

P50

P31

P17

P16

P15

P14

P11

P10

P12
P13

P20
P21
P22
P23
P24
P25
P26

P11

P33

P13

P34

P10

P35

P12

P51
P52

P61
P63
PF0
PF1

PG3

PG1

P[10:17],P[20:26],P31,P[33:35],P[50:52],P61,P63,PF0,PF1,PG1,PG3

P33

P52

PG1

PG3

P61

P14

P15

PG1

PG3

P52

P51

P22

P20
P21

P61
P63

P50

P34

P22

P21

P24

P20

P25

P26

P61

P35

PF0

P17

P16

P31

P33

PF1

P61

33P

C214

UPC4570

IC32

-

+

1

2

3

UPC4570

IC32

-

+

5

6

7

C400

100P

R400

47K

R88

47K

47K

R401

47K

R85

C401

100P

LH62800K-50

IC12

OE

CAS

RAS

WE

I/O8

I/O7

I/O6

I/O5

I/O4

I/O3

I/O2

I/O1

VSS2

VSS1

VCC

NC2

NC1

A8

A7

A6

A5

A4

A3

A2

A1

A0

9
10
11
12
14
15
16
17
18
7
20
13
1
26

2
3
4
5

22
23
24
25

6
8

21
19

HD6432653BA11F

IC7

PG3

PG1

6

A0

7

A1

17

A10

18

A11

20

A12

21

A13

22

A14

23

A15

24

A16

25

A17

26

A18

27

A19

8

A2

29

A20

30

A21

31

A22

32

A23

9

A3

11

A4

12

A5

13

A6

14

A7

15

A8

16

A9

103

AVCC

113

AVSS

40

D0

41

D1

51

D10

52

D11

54

D12

55

D13

56

D14

57

D15

42

D2

43

D3

45

D4

46

D5

47

D6

48

D7

49

D8

50

D9

86

EXTAL

123

MD0

124

MD1

125

MD2

82

NMI

121

P11

120

P12/TIOCC0

119

P13

118

P14

117

P15

116

P16

115

P17

79

P20

78

P21

77

P22

76

P23

75

P24

74

P25

73

P26/TIOCA5

72

P27

63

P34

64

P35

105

P40/AN0

106

P41/AN1

107

P42/AN2

108

P43/AN3

109

P44/AN4

110

P45/AN5

111

P46/AN6

112

P47/AN7

97

P50

98

P51
P52
P53

71

P63
PF0

96

PF1

95

PF7/CLK

88

5

VCC1

39

VCC2

58

VCC3

84

VCC4

89

VCC5

104

VREF

3

VSS1

65

VSS10

67

VSS11

68

VSS12

87

VSS13

99

VSS14

100

VSS15

114

VSS16

4

VSS2

10

VSS3

19

VSS4

28

VSS5

35

VSS6

36

VSS7

44

VSS8

53

VSS9

85

XTAL

90

AS

126

CAS/OE

92

HWR

93

LWR

59

P30/TXD0

60

P31/TXD1

61

P32/RXD0

62

P33/RXD1

70

P62/DRQ1

38

P64/IRQ0

37

P65/IRQ1

PG2/CS2

PG4/CS0

91

RD

81

RES

83

STBY

WAIT

94

WDTOVF

80

122

P10/TIOCA0

66

P60/DRQ0

69

P61

33

P67/IRQ3

34

P66/IRQ2

80

83

81

91

2
1

128
127

33

34

37

38

70

69

66

93

92

126

90

85

53

44

36

35

28

10

4

114
100
99

87

68

67

65

3

104

89

84

58

39

5

95

96

71

102

101

98

97

112

111

110

109

108

107

106

105

64

63

62

61

60

59

72

73

74

75

76

77

78

79

115

116

117

118

119

120

121

122

82

125

124

123

86

50
49
48
47
46
45
43
42

57
56
55
54
52
51

41
40

113

103

16
15
14
13
12
11
9

32
31
30
29

8

27
26
25
24
23
22
21
20
18
17

7
6

SLA919FF0J

IC13

86

ENCA

CLKIN1

98

103

LRCK0

CS_2

97

64

A0

63

A1

62

A2

61

A3

60

A4

59

A5

58

A6

57

A7

96

ADBIT0

95

ADBIT1

88

ADIN0

87

ADIN1

102

BCK

90

CLKIN0

53

D0

52

D1

42

D10

41

D11

40

D12

39

D13

38

D14

37

D15

51

D2

50

D3

49

D4

48

D5

47

D6

46

D7

44

D8

43

D9

94

DABIT0

93

DABIT1

70

DAOUT0

69

DAOUT1

85

ENCB

91

ENCTYP

92

ESPUSE

125

IDE_A1

126

IDE_A2

127

IDE_A3

109

LD0

110

LD1

111

LD2

112

LD3

113

LD4

114

LD5

115

LD6

116

LD7

9

LLCK

104

LRCK1

11

LS0

12

LS1

13

LS2

14

LS3

101

MCK

17

PD0

18

PD1

19

PD2

20

PD3

21

PD4

22

PD5

23

PD6

24

PD7

5

SS0

6

SS1

7

SS2

8

SS3

2

SSEN

66

TEST

80

TRCKIN

75

TRCKO

81

TRR2

82

TRR3

83

TRR4

84

TRR5

74

TRS2

73

TRS3

72

TRS4

71

TRS5

VDD_1

4

100

VDD_10

118

VDD_11

122

VDD_12

VDD_2

16

VDD_3

26

VDD_4

31

VDD_5

36
55

VDD_7

68

VDD_8

78

VDD_9

3

VSS_1

67

VSS_10
VSS_11

89

VSS_12

99

VSS_13

108

VSS_14

117
121

VSS_15

10

VSS_2

15

VSS_3

25

VSS_4

30

VSS_5

35

VSS_6

54

VSS_8

77

VSS_9

32

AS

56

CS_1

28

DMAR

29

DMAW

120

IDECS

128

IDECS0

1

IDECS1

124

IDERD

123

IDEWR

76

INTO

119

LCDCSI

105

LCDCSO

107

LCDRD

106

LCDWR

33

RD

65

RESET

27

WAIT

34

WR

79

SYI

45

VSS_7

GND

B5B-PH-K-S

CN14

1
2
3
4
5

CIRCUIT DIAGRAM

MAIN BOARD ASSY (71127056)

Summary of Contents for A-6

Page 1: ... 10 4 dBu Input Impedance MIC 100 k ohms VCR 47 k ohms CD 47 k ohms Input L R Available with A6 OP1 is installed 6 k ohms Nominal Output Level Master Out 10 dBu Monitor Out 10 dBu Output L R Available with A6 OP1 is installed 4 dBu Output Impedance Master Out 2 k ohms Monitor Out 2 k ohms Headphones 10 ohms Output L R Available with A6 OP1 is installed 600 ohms Recommended Load Impedance Master Ou...

Page 2: ...POT EWA Q1A C10 B54 50KB 01342934 U S KNOB M1 MRD LCG 01349434 60M M SLIDE POT EWA Q1A C10 B54 50KB 01342934 WIRING AC ASSY 01458878 D SUB 25PIN CONNECTER DBLC J25SAF 20L9F 13429314 PIN JACK YKC21 3044 00458801 CANNON JACK NC3MAH 00679767 SLIDE SWITCH SSSS922N 4C2 1 01565701 CANNON JACK NC3FAH2 0 01239890 A6 OP1 EXP COVER 01564790 REAR PANEL 01562134 F S BUTTON MX BLK 22495565 PUSH SWITCH SDDLB1 A...

Page 3: ...N MX BLK 2 01458878 WIRING AC ASSY 3 00902790 BUSHING EDS 1208U for AC CORD 4 17048436 STATUS SEAL 04484 202 5 01349423 KNOB U S KNOB M1 LCG DCG TRACK 01569801 KNOB U S KNOB M1 BLU LCG PAD 01349434 KNOB U S KNOB M1 MRD LCG MASTER 6 01562090 DISPLAY COVER 7 00677223 KNOB D R KNOB L MCG VALUE 8 01347301 KNOB P R KNOB SF A MWG LCG 9 01562123 KNOB J R KNOB MF MCG LCG EFFECTS 0 00897812 ANGLE HD R 1 00...

Page 4: ...T I F GATE ARRAY IC13 SLA919FF0J SCSI CONT IC4 SYM53CF92 D OUT I F IC1 TC9271F D IN I F IC2 LC8905V ZIP DIGITAL OUT DIGITAL IN L DSP IC11 TC170C140AF D RAM IC12 LH62800K A D A AK4520 AK4520 IC24 A D A IC23 INPUT VR INPUT VR INPUT VR MUTE IC35 4053 SEL IC33 IC35 4053 SWITCH LED LCD SWITCH LED SWITCH BOARD PANEL BOARD MIDI GPI IN L MIC R R L L R R L VCR INPUT MASTER OUTPUT CD INPUT MONITOR OUTPUT PH...

Page 5: ...2434 ACCESSORIES PAD for PACKING MISCELLANEOUS 22355160 FOOT D25 00902790 BUSHING EDS 1208U for AC CORD 40126812 CAUTION LABEL BARRIER 40238545 CAUTION LABEL SHOCK HAZARD ICES ACCESSORIES Standard 71124645 OWNER S MANUAL SET JAPANESE 71125145 OWNER S MANUAL SET ENGLISH 00894367 AC CORD SET 100V SP18A IS14 VCTF2X0 75 00894378 AC CORD SET 120V SP301 IS14 SJT18 3 00894389 AC CORD SET 230V SP22 IS14 H...

Page 6: ...e test items press or to move the cursor appears on the left side of the LCD to desired item Press ENTER YES When the testing is completed the menu screen is appeared again After the test the screen exits to the menu screen Test Options 1 LCD In the LCD CHECK screen Push KEY appears in the middle of the LCD All LCD dots are turned on when PLAY LED blinks green is pressed here Press PLAY again all ...

Page 7: ... drive turn the terminator switch on set the SCSI ID of the zip drive to 6 and turn on the power of the zip drive In the SCSI CHECK screen SCSI test starts automatically If there is no error SCSI CHECK OK appears Followings are example messages when there is any malfunctions on SCSI NG A6 OP1 SPC message displayed Check the IC4 NCR53CF92 on the A6 OP1 NG NO DRIVE message displayed Check the SCSI I...

Page 8: ...s follows system common parameters system MIDI parameters Press REC LED blinks red the menu screen appears About the destruction of the flash memory If the flash memory IC9 on the Main board is damaged or destroyed from the malfunctions of the software hardware following messages are appeared on the LCD If these messages are appeared when turning on the power re install the system software is requ...

Page 9: ...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 A B C D E F G H I J K L M N O P Q R S T U 9 CIRCUIT BOARD MAIN BOARD ASSY 71127056 View from component side Oct 1998 A 6 ...

Page 10: ...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 A B C D E F G H I J K L M N O P Q R S T U 10 MAIN BOARD ASSY 71127056 View from foil side A 6 Oct 1998 ...

Page 11: ...27 28 A B C D E F G H I J K L M N O P Q R S T U 11 PANEL BOARD ASSY 70909012 MIDI BOARD ASSY 71016034 CONNECTOR BOARD ASSY 71124767 MIDI BOARD ASSY 71016034 PANEL BOARD ASSY 70909012 Oct 1998 A 6 CONNECTOR BOARD ASSY 71124767 View from component side View from foil side ...

Page 12: ...16 17 18 19 20 21 22 23 24 25 26 27 28 A B C D E F G H I J K L M N O P Q R S T U 12 SW BOARD ASSY 71016045 BEAM BOARD ASSY 71124723 View from component side View from foil side BEAM BOARD ASSY 71124723 SW BOARD ASSY 71016045 A 6 Oct 1998 ...

Page 13: ...15V 15V MA153 D5 3 2 1 R45 10K C10 1 3 3K R15 RD HWR GND EBCK ELRCK EMCK 10K R48 VCC GND VCC TRR5 R53 100 TO OPTION BOARD R76 22K VCC R57 10K 68K R114 R113 47K R93 47K 100K R105 IC4 HC4053 0X 1X 0Y 1Y 0Z 1Z VCC X Y Z A B C INH GND VEE 12 13 2 1 5 3 16 14 15 4 11 10 9 6 8 7 R49 100 VCC RST C73 100P Q5 DTC314TK 1 3 2 R66 1K R62 1K Q6 DTC314TK 1 3 2 1K R65 R64 47K 1K R61 R70 27K C55 1 VCC R25 150 GND...

Page 14: ... 2 SW23 2 1 SW22 1 2 SW21 2 1 SW37 1 2 SW36 2 1 SW35 1 2 SW34 2 1 SW33 1 2 SW32 2 1 SW31 1 2 SW30 2 1 SW47 2 1 SW45 2 1 SW44 1 2 SW43 2 1 SW40 1 2 SW57 1 2 SW56 2 1 SW55 1 2 SW54 2 1 SW53 1 2 SW52 2 1 SW51 1 2 SW50 2 1 SW67 2 1 SW66 1 2 SW65 2 1 SW64 1 2 SW63 2 1 SW62 1 2 SW61 2 1 SW70 2 1 SW72 2 1 SW73 1 2 SW74 2 1 SW75 1 2 SW76 2 1 VREF VR1 VR2 VR3 VR5 VR6 VR7 VR8 LS0 SS0 SS1 GND PD0 PD1 PD2 PD3...

Page 15: ...ct 1998 CONNECTOR BOARD ASSY 71124767 GROUP SW20 2 1 CLIP SW19 1 2 PAD REC F1 9 SW15 1 2 8 SW14 1 2 7 F2 6 SW11 2 1 5 4 SW9 1 2 F3 3 SW7 2 1 2 1 BEEP SW4 2 1 SW3 1 2 SET SW2 1 2 0 PAD REC F1 9 8 7 F2 6 5 4 F3 3 2 1 BEEP SET 0 FROM PANEL BOARD CN3 HOLD CLIP BOARD HOLD D1 D19 TLSU1002 D19 1 2 D18 2 1 D17 1 2 D16 2 1 D15 1 2 D14 2 1 D13 1 2 D12 2 1 D11 1 2 D10 2 1 D9 1 2 D8 2 1 D7 1 2 D6 2 1 D5 1 2 D...

Page 16: ... V SS 40 39 44 45 46 47 49 50 51 52 53 54 55 56 58 P3 TxD 0 0 P3 TxD 1 1 P3 RxD 2 0 P3 RxD 3 1 P3 SCK 4 0 P3 SCK 5 1 59 60 61 62 63 64 41 42 V SS 48 V CC 57 43 PO P2 TIOCA3 0 0 PO P2 TIOCB3 1 1 PO P2 TIOCC3 TMRI 2 0 2 PO P2 TIOCD3 TMCI 3 0 3 PO P2 TIOCA4 TMRI 4 1 4 PO P2 TIOCB4 TMCI 5 1 5 PO P2 TIOCA5 TMO 6 0 6 PO P2 TIOCB5 TMO 7 1 7 P6 TEND1 3 P6 DREQ1 2 P6 TEND0 1 CS5 P6 DREQ0 0 CS4 VSS VSS P5 A...

Page 17: ... connecting cables from the A 6 2 Place the A 6 upside down Remove the bottom cover 3 Remove the EXP cover from the A 6 4 Plug in A6 OP1 connector with a length of the flat cable bent intothe A 6 main board connector See Fig 1 5 Screw lock the A6 OP1 6 Attach and secure the A6 bottom cover 7 Enter the test mode holding down STATUS track D and EFFECTS track D buttons of AUDIO RECORDER MIXER turn on...

Page 18: ...R 01458667 BLM41P750S FERRITE BEAD L1 CRYSTOL SESONATOR 01342145 MA 406 25 000MHZ TE24 X TAL X1 SWITCH 01565701 SSSS922N 4C2 1 SLIDE SWITCH SW1 CONNECTOR 13369851 PS 50PE D4T1 B1 K CN1 WIRING CABLE 01565390 A6 OP1 WIRING CN3 01452590 WIRING OPTION A CN1 01452601 WIRING OPTION B CN2 TRANSFORMER 12449615 PT 10244 615 T1 CHASSIS 01564790 A6 OP1 EXP COVER PACKING 01456334 PACKING CASE MISCELLANEOUS 01...

Page 19: ...8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A B C D E F G H I J K L M N O P Q R S T U 19 CIRCUIT BOARD A6 OP1 A6 OP1 I O BOARD ASSY 71126790 View from component side View from foil side Oct 1998 A 6 ...

Page 20: ...RCK BCK 512FS MCK GND GND VCC 15V 15V D15 10 16 C101 10 16 C106 10 16 C107 GND SYI GND VCC VCC P22 P21 P24 P20 P25 P26 P61 330 R47 100K R49 270 R48 100P C31 Q4 DTC314TK 1 3 2 Q3 DTC314TK 1 3 2 100P C30 270 R45 100K R46 330 R44 33P C27 GND VCC IC4 SYM53CF92 MODE TESTIN VDD_1 VDD_2 VDD_3 VDD_4 VSS_1 VSS_2 VSS_3 VSS_4 VSS_5 VSS_6 VSS_7 VSS_8 VSS_9 VSS_10 SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7 SDP RST BSY SE...

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