B and K AVR-505, AVR-507 Service manual

AVR 505-507 S2

SERVICE MANUAL

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

6FKHPDWLFV

B&K COMPONENTS, LTD.

2100 Old Union Road

Buffalo, New York 14227-2725

U.S.A.

54321

U10 CS3310

9

AIR

16

AIL

7

SDATAO

3

SDATAI

6

SCLK

2

CS

8

MUTE

1

ZCEN

U11 CS3310

9

AIR

16

AIL

7

SDATAO

3

SDATAI

6

SCLK

2

CS

8

MUTE

1

ZCEN

U12 CS3310

9

AIR

16

AIL

7

SDATAO

3

SDATAI

6

SCLK

2

CS

8

MUTE

1

ZCEN

U22 CS3310

9

AIR

16

AIL

7

SDATAO

3

SDATAI

6

SCLK

2

CS

8

MUTE

1

ZCEN

A_On

W4

C24

AOUTL
AOUTR

DGND
AGNDL
AGNDR

AOUTL
AOUTR

DGND
AGNDL
AGNDR

AOUTL
AOUTR

DGND
AGNDL
AGNDR

AOUTL
AOUTR

DGND
AGNDL
AGNDR

VDD

.1uF

+5

C18

.1uF

12

VA+

4

VD+

Lf_W

14
11

Rf_W

5
15
10
13

VA-

C17

.1uF

-5

C25
.1uF

VDD

+5

C21

.1uF

12

VA+

4

VD+

14

C_W

11

Lx_W

5
15
10
13

VA-

C20

.1uF

-5

C26

VDD

.1uF

C23

+5

.1uF

12

VA+

4

VD+

14

Lr_W

11

Rr_W

5
15
10
13

VA-

C22

.1uF

-5

C75

VDD

.1uF

C74

+5

.1uF

12

VA+

4

VD+

14

Rx_W

11

Sub_W

D3
LL4148

98

98

98

98

5
15
10
13

VA-

C73

.1uF

-5

R36

1.5K

Q16

BC850CL

+15

LR

143

16

RL1
HAS212-05

1

5 12

SUB

RR

143

16

RL2
HAS212-05

1

5 12

LF
CENTER

143

16

RL3
HAS212-05

1

5 12

RF
LX

143

16

RL4
HAS212-05

1

5 12

RX

Rf_W

Rr_Dmx
C_Dmx

Sub_Dmx

Lf_W
Lr_Dmx

C_Dmx
Sub_Dmx

Sub_Out

C_Out

Rr_Out

Lr_Out

Rx_Out

Lx_W

R33

10K

R29

10K

R22

15K

R45

10K

R42

10K

R28

10K

R27

15K

R46

10K

R1731KR1741KR156

1K

R47

10K

R50

10K

R192
1K

R51

R52

10K

R193

1K

R41

10K

R152

10K

+15

C15

.1uF

U2A

84

AD712

3

1

LF

2

R26
10K

C16

C38

.1uF

-15

330pF

+15

C76

.1uF

84

3

1

CTR

2

U23A
AD712

R43
10K

C77

C40

.1uF

-15

330pF

+15

10K

C29

.1uF

84

3

1

LR

2

U4A
AD712

R49
10K

C30

C92

.1uF

-15

330pF

U23B
AD712

5

7

LX

6

R105
10K

C95

330pF

Title

C

Date: 28-Jun-2004 Sheet of
File: C:\BK_Data \Series_4\ Series_III_Ne w_Mains\13784-00.ddbDrawn By:

U2B
AD712

5

7

RF

6

R23
10K
C39

330pF

+15

C27

.1uF

U3A

84

AD712

3

1

SUB

2

R44
10K

C28

C37

.1uF

330pF

-15

U4B
AD712

5

7

RR

6

R48
10K

C93

330pF

U3B
AD712

5

7

RX

6

R96
10K

C94

330pF

AVR Series III S2 Bass Management

Number RevisionSize

B&K p\n 13784-0B

C36

VDD

AOUTL
AOUTR

AGNDL
AGNDR

ZONE 2 VOLUME

R108
10K

R111
10K

R38

1.5K

+5

+5

W10

C35

DGND

-5

-5

W5

VA+
VD+

R150

47.5K

R151

47.5K

.1uF

+5

.1uF

12
4

14
11

5
15
10
13

VA-

+15

3

2

5

6

84

S_Inv

-15

Rx_Inv

3.01K

-5

W12

W2

W15

Z2R

GND

Rf_VOL
Lf_VOL

W17

GND

Z2_Amp_En

A_On
CON17

SPI_D_4
SPI_D_3
SPI_Clk
~Vol_En

~Vol_Mute

Lx_Aud
C_VOL
SPI_D_3
SPI_D_2
SPI_Clk
~Vol_En

~Vol_Mute

Rr_VOL
Lr_VOL
SPI_D_2
SPI_D_1
SPI_Clk
~Vol_En

~Vol_Mute

Sub_VOL
Rx_VOL

SPI_D_4
SPI_Clk
~Vol_En

~Vol_Mute

A_On
CON19

VDD

VDD

VDD

VDD

A_On

W1

R93

221

Z2_A_Out_L
Z2_A_Out_R

R94

221

Z2L

W3

C34

.1uF

-5

U27A
LF353

1

Sub_Gain

R106
10K

U27B
LF353

7

Rx_Gain

R109
10K

R175

24.3K

R176

24.3K

Q17

R155

BC850CL

R194

26.7K

C66
100uF/25V

+

Z2_A_Out_L

Z2_A_Out_L

Z2_A_Out_R

Z2_A_Out_R

LF

LF

RF

RF

CENTER

CENTER

SUB

SUB

LR

LR

RR

RR

LX

LX

RX

RX

TAP_A_Out_L

TAP_A_Out_L

D

C

B

A

TAP_A_Out_R

V2B_L
V2B_R

V2_L
V2_R

Lt_Aud
Rt_Aud
Lx_Aud
Rx_Aud

Sub_Aud

C_Aud
Lr_Aud
Rr_Aud
Lf_Aud
Rf_Aud

Sub_VOL

C_VOL
Rr_VOL
Lr_VOL
Rf_VOL
Lf_VOL

Rx_VOL

Aud_I_Det
Aud_O_Det
~Vol_Mute

~Vol_En

SPI_Out
SPI_Clk

SPI_Qout
SPI_Qclk

M1_En

M2_En

~Sel_Rst

~Z2_Rly_En
~Z1_Rly_En

R143

1.5K

R144

1.5K

TAP_A_Out_R

V2B_L
V2B_R
V2_L
V2_R

Lt_Aud
Rt_Aud
Lx_Aud
Rx_Aud
Sub_Aud
C_Aud
Lr_Aud
Rr_Aud
Lf_Aud
Rf_Aud

Sub_VOL
C_VOL
Rr_VOL
Lr_VOL
Rf_VOL
Lf_VOL
Rx_VOL

Aud_I_Det
Aud_O_Det
~Vol_Mute
~Vol_En
SPI_Out
SPI_Clk
SPI_Qout
SPI_Qclk
M1_En
M2_En
~Sel_Rst

R153
1K

MISC Z2 AUDIO SELECTOR

LC7821

U15

V2B_L V2B_R

Lt_Aud Rt_Aud
Z2_L_VOL Z2_R_VOL

Lr_Dmx
Lr_Out
Lr_W
C_Dmx
C_Out
C_W

M1_En
SPI_Qout
SPI_Qclk

~Sel_Rst

ZD7

1N963

R154
1K

Q10

BC860CL

R122
10K

C67

+

100uF/25V

1 2 3 4 5 6

L11R1

2

L2

3

L3

4

L4

5

LCM1

RCM1

6

L5

7

L6

8

LCM2

RCM2

9

L7

10

L8

11

LCM3

RCM3

12

VEE

13

CE

14

DI

15

CLK

R95

47.5K

C55
.1uF

+15

R145

1.5K

Q9

+15 -15

+15

W7

30
29

R2

28

R3

27

R4

26
25

R5

24

R6

23
22

R7

21

R8

20
19

VDD

18

RST

17

S

16

VSS

BC860CL

R123
10K

W20
GND

MISC SUB AUDIO SELECTOR

Sub_G1 Rx_G 1

V2_RV2_L

Sub_G2
Sub_G3
Sub_G4 Rx_G 4
Sub_W Rx_W
Sub_Dmx

Rr_Dmx
Rr_Out

Sub_Out
Sub_Gain

Rr_W

+15-15

M2_En
SPI_Qout
SPI_Qclk

~Sel_Rst

Sub_W

Sub_G1
Sub_G2

Sub_G3
Sub_G4

Rx_W

Rx_G1
Rx_G2

Rx_G3
Rx_G4

Lx_Aud

Rx_Vol

Lf_Vol

Rf_Vol

C_Vol

Sub_Vol

Lr_Vol

Rr_Vol

A_Lf

A_Rf

Z2_A_Out_L

Z2_A_Out_R

C68

+

-15

100uF/25V

W9

U24
L11R1

2

L2

3

L3

4

L4

5

LCM1

6

L5

7

L6

8

LCM2

9

L7

10

L8

11

LCM3

12

VEE

13

CE

14

DI

15

CLK

ZD4

OPEN

ZD6

OPEN

R171

R167
R165

R163
R169

R172
R168

R166
R164
R170

R121

47.5K
R120

47.5K
R114

47.5K
R113

47.5K
R112

47.5K
R115

47.5K
R116

47.5K
R117

47.5K
R118

47.5K

R119

47.5K

16

1

100uF/25V

LC7821

30

Rx_G2

29

R2

28

Rx_G3

R3

27

R4

26

RCM1

25

R5

24

R6

23

RCM2

Rx_Gain

22

R7

Rx_W

21

R8

Rx_Out

20

RCM3

19

VDD

+15-15

18

RST

17

S

16

VSS

ZD3

Z2_L_VOL

OPEN

ZD5

Z2_R_VOL

OPEN

17.4K

24.3K

7.5K

4.64K

2.49K

17.4K

24.3K

7.5K

4.64K

2.49K

PRE & POST AUDIO DETECTORS

+15

U29A
LF353

84

3

Out_Det

2

-15

ZD12
12V

5

In_Det

6

LF353
U29B

ZD13
12V

+12

RL5

HAS212-12

143

98

5 12

VDD

R98

5.62

C72

+

Z2_R_VOL
Z2_L_VOL

Z2_~Vol_Mute

+15

.1uF

84

3

S_Gain

2

C79

.1uF

-15

5

Rx_Gain

6

C87
.1uF

1

C86
.1uF

in place of R173

7

in place of R174

D4

LL4148

100uF/25V

SPI_D_1
SPI_Out
SPI_Clk
~Vol_En

VDD

Z2_~Vol_Mute

R30
100K

C78

U28A
LF353

1

R107
10K

U28B
LF353

7

R110
10K

D1
LL4148

D2
LL4148

BC850CL

C65

+

U13 CS3310

9

AIR

16

AIL

7

SDATAO

3

SDATAI

6

SCLK

2

CS

8

MUTE

1

ZCEN

C19
.1uF

Q2

6

2 of 6
ESM/SBS

D

C

B

A

R24

RF

221

R25

LF

221

CON14

5
4
3
2
1

*

R31

SUB

221

R32

CENTER

221

CON15

5
4
3
2
1

*

R34

RR

221

R35

LR

221

CON16

5
4
3
2
1

*

R141

RX

221

R142

LX

221

-

CON2 RCA_RWY_X3

D

V1_A_In_R
V1_A_In_L

V1_V_In

V2_A_In_R
V2_A_In_L

V2_V_In

V3_A_In_R
V3_A_In_L

V3_V_In

DVD_A_In_R
DVD_A_In_L

DVD_V_In

CD_A_In_R
CD_A_In_L

CD_V_In

SAT_A_In_R

C

SAT_A_In_L

SAT_V_In

TAP_A_In_R
TAP_A_In_L

TAP_V_In

AM_ANT

B

4 8

CON1

1

2

AM PC MOUNT

Y
W
R

A/V INPUT SIGNALS

RS-232 I/O

RS232_In

RS232_Out

LED_K
LED_A

Z2 IR IN

R177

Z1 IR IN

6

CON8

1

2

3

4

5

6

7

8

CON9

7275-8NB
CON10

7275-8NB
CON11

7275-8NB
CON12

4
3
2
1

D

T

B

T

B

C

T

B

Sa

Sb

B

RJ45

LED_K
LED_A

LL4148

D5

LL4148

D6

402

IEEE-1394-S4

JP2
Header 2X5

1 2

3 4

5 6

7 8

9 10

54321

CON3 RCA_RWY_X3

Y
W

12

4 8

R

12

CON4 RCA_RWY_X3

Y
W

4 8

R

CONT1 CONT2 CONT3 CONT4

CON13
+12

CON18
+12

CON5 RCA_RWY_X3

12

4 8

Y
W
R

CON6 RCA_RWY_X2

Z1_V_OutTAP_V_In V1_V_OutSAT_V_In TAP_V_OutCD_V_In Z2_V_OutDVD_V_In V2_V_OutV3_V_InV1_V_In V2_V_In

12

G
W
R

4 8

CON7 RCA_RWY_X2

G
W
R

4 8

A/V OUTPUT SIGNALS

CONT1 CONT2 CONT3 CONT4

ZD11
1N748

R131
10K

R127
10K

R149

1.5K

Q8

BC850CL

R181

68.1

Q15
TIP32C

D7
DL4002

R182

3.01K

ZD10
1N748

R130
10K

R126
10K

R148

1.5K

Q7

BC850CL

+12+12

R180

ZD9

68.1
1N748

Q14
TIP32C

R129
10K

D8
DL4002

R183

3.01K

R125
10K

R147

1.5K

Q6

BC850CL

+12

R179

68.1

Q13
TIP32C

D9
DL4002

R184

3.01K

ZD8
1N748

R128
10K

DVD AUDIO INPUT

DVDA_In_S
DVDA_In_Lr
DVDA_In_Rr
DVDA_In_C
DVDA_In_Lf
DVDA_In_Rf

SUB

LR
RR

CENTER

LF
RF

Z1_V_Out

LX
RX

Z2_V_Out
Z2_A_Out_L
Z2_A_Out_R

V2_V_Out
V2_A_Out_L
V2_A_Out_R

V1_V_Out
V1_A_Out_L
V1_A_Out_R

TAP_V_Out
TAP_A_Out_L
TAP_A_Out_R

+12

R178

R124

68.1

10K

Q11
TIP32C

R146

1.5K

D10
DL4002

Q4

R185

3.01K

BC850CL

+12

A

1 2 3 4 56

Title

Number RevisionSize

B

Date: 28-Jun-2004 Sheet of
File: C:\BK_Data\Series_4\Series_III_N ew_Mains\13784-00.ddbDrawn By:

AVR Series III S2 Connector/Control/Switch

B&K p\n 13784-0C

-

3 of 6
ESM/SBS

A

54321

VIDEO SYSTEM CONNECTOR

6

DAC_T

DAC_T

DAC_X

DAC_X

DAC_F

DAC_F

DAC_C

DAC_C

D

DSP_Sckt

Z1_SPDIF_In

M_~PDN

I2C_Data
Z86_Data

Comp_Vid_Sel

S_Vid_Sel

C

SPI_Qclk
~VFD_Clk
Ser_Busy

SPI_Qout

B

~DSP_En
~OSD_En

~SPDIF_En
Aud_Sys_En

~Z2_Rly_En
~Z1_Rly_En
~Vol_Mute

Aud_I_Det

Aud_O_Det

MPX_Det

A

~Vid_Det

~Program

DAC_R
DSP_Fst

XILINX I/O PORTS

Ser_Data

LED_St

EXTL

PLL_Clk
Sys_Clk
CONT1

CONT2
CONT3
CONT4

Ser_Clk
I2C_Clk
SPI_Clk

SPI_Out
~Z86_Int

Sclk
Sync

Mclk
ADC

M2_En
M1_En

Aud_En

PLL_En

Ser_En

~Vol_En

IR_Data

Sta_Det

Ser_Rd
Ser_Wr
SPI_In

Z86_Clk

DAC_R
DSP_Sckt
DSP_Fst
Z1_SPDIF_In

M_~PDN

I2C_Data
Ser_Data
Z86_Data

LED_St
Comp_Vid_Sel
S_Vid_Sel

EXTL
PLL_Clk

Sys_Clk
CONT1

CONT2
CONT3
CONT4

Ser_Clk
I2C_Clk
SPI_Clk
SPI_Qclk
~VFD_Clk
Ser_Busy
SPI_Out
SPI_Qout
~Z86_Int
Sclk
Sync
Mclk

ADC

M2_En
M1_En
Aud_En
~DSP_En
~OSD_En
PLL_En
Ser_En
~Vol_En
~SPDIF_En
Aud_Sys_En
~Z2_Rly_En
~Z1_Rly_En
~Vol_Mute

IR_Data
Aud_I_Det

Aud_O_Det
Sta_Det
MPX_Det
~Vid_Det

Ser_Rd
Ser_Wr
SPI_In
Z86_Clk

~Program

DAC_F
DAC_R
SPI_In
SPI_Out
~DSP_Rst
~DSP_2_EN
~SPDIF_En

VCC

Ser_Wr
Ser_Rd
RS232_RXD
RS232_TXD

Ser_En
~Program

Ser_Data
Ser_Clk
Ser_Busy
~Z86_Int

Sys_Clk

VCC

~Amp_En

DSP RECEPTACLE

I/O

JP5

3940
3738
3536
3334
3132
2930
2728
2526
2324
2122
1920
1718
1516
1314
1112

RECEPTACLE 2X20

JP3

1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
3738

RECEPTACLE 2X20

3940

~Amp_En

910

SPDIF_ERR_1SPI_Clk

78

~DSP_3_EN

56

Z1_SPDIF_In

34

SPDIF_ERR_0

12

12
34
56
78
910

AON

W18

SPI_Clk
DSP_I2S_In
Z1/Z2_SPDIF_O
DSP_Sckt
DSP_Fst
DAC_C
DSP_Hckt
~DSP_En
DAC_X
DAC_T

VCC

VCC

+5

W16

SPDIF_ERR_1

~DSP_3_EN

Pin 5 was
SPDIF_R_O

FRONT PANEL CONNECTORDALLAS CONTROLLER RECEPTACLE

+

C69
100uF/25V

JP7
39 40

37 38
35 36
33 34
31 32
29 30
27 28
25 26
23 24
21 22
19 20
17 18
15 16
13 14
11 12
9 10
7 8
5 6
3 4
1 2

HEADER 2X20

R85
0 Ohm Res

Z86_Data
Z86_Clk
SPI_Out
SPI_Clk
~VFD_Clk
LED_St
PLL_Clk
IR_Data
LED_A
LED_K
~VFD_Rst
XDISPB

FL2
W28

FL2
FL1

VCC

R97

3.01K
R37

26.7K

R8

5.62

Aud_O_Det

Aud_I_Det

~Z1_Rly_En
79

80

I/O

I/O_PGCK4

47

PLL_En

MPX_Det

Z86_Data

C57
.1uF

~Z2_Rly_En

76

77

78

I/O

Gnd

I/O_DOUT

I/O_DIN

I/O_PGCK3

~Program

I/O_SGCK348Gnd49Done

50

Sta_Det

Done

~Amp_En

Amp_En

O_TDO

Vcc

C_Clk

I/O
I/O
I/O
I/O
I/O
I/O

I/O
Gnd
Vcc

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O
Vcc

Rd_Trig
Rd_Data

IR_Data
~Program
Done

Pin 30 was
EXTL

U18

VCC

75
74

Ser_Clk

73

Ser_Data

72
71

Ser_Clk

70

CONT2
CONT4

69
68

CONT3
67
66

CONT1

Amp_En

65
64
63

VCC

Ser_Wr

62

Ser_Rd

61
60
59
58
57
56

Ser_En

55
54

Sys_Clk

~Z86_Int

53

~Program

52
51

VCC

VCC

R57

OPEN

OPEN

R54

R58

10K

10K

R77

R78

10K

R132

R133

10K

10K

I2C_Clk
I2C_Data

Z1_SPDIF_In
Z2_SPDIF_In
Dig_En
Aud_Sys_En
DSP_I2S_In
SPI_In

VCC

DSP_Fst
~DSP_2_EN

VCC

~SPDIF_En
DSP_Hckt

~DSP_En
~DSP_3_EN
Aud_En

~OSD_En
~Vid_Det
Rd_Data

Rd_Trig

R2

2.49K

C56
.1uF

Pin 10 was
EXTL

Pin 17 was
SPDIF_R_O

1 2 3 4 56

VCC

1

Gnd

2

I/O_PGCK1

3

I/O

4

I/O_TD1

5

I/O_TCK

6

I/O_TMS

7

I/O

8

I/O

9

I/O

10

I/O

11

Gnd

12

Vcc

13

I/O

14

I/O

15

I/O

16

I/O

17

I/O

18

I/O

19

I/O

20

I/O

21

I/O_SGCK2

22

NC

23

Gnd

24

MODE

25

Vcc

C60
.1uF

U19

8

VCC

7

NC

6

SCL

5

VSS

SDA
24C128

I2C_Clk

I2C_Data

Mclk

99

97

98

100

I/O

I/O

Vcc

I/O_SGCK1

NC26I/O_PGCK227I/O_HDC28I/O_LDC

I/O29I/O31I/O32I/O_INIT36Vcc37Gnd

Ser_Busy

IR_Data

R86

10K

PLL_Clk

R53

100

C61
.1uF

1

A0

2

A1

3

A2

4

~Vol_En

SPI_Qclk

ADC

~Vol_Mute

93

XILINX Spartan XCS10

I/O33I/O34I/O

30

35

Vid_Ctrl

SPDIF_ERR_0

SPDIF_ERR_1

VCC

C62

C63

.1uF

.1uF

VCC

SPI_Qout

88

89

I/O90I/O91I/O92I/O94I/O95I/O96I/O

Vcc

38

VCC

C58
.1uF

Gnd

M2_En

SPI_Out
86

I/O87I/O

I/O

39

LED_St

Q12

BC850CL

84

I/O85I/O81I/O82I/O83I/O

I/O40I/O41I/O

42

M1_En

I/O43I/O44I/O45I/O46I/O

Z86_Clk

~VFD_Clk

C59
.1uF

DIGITAL I/O CONNECTOR

Z1_SPDIF_In Z1/Z2_SPDIF_O
Z2_SPDIF_In

R85 is loaded when using a
Single DSP Board ­R85 is OPEN when using a
3 DSP Board

FL1
W29

JP9

910

Z1/Z2_SPDIF_O

78

SPI_Out

56

SPI_Clk

34

Dig_En

12

HEADER 2X5

JP8
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
29 30
31 32
33 34
35 36
37 38
39 40

HEADER 2X20

Title

Number RevisionSize

B

Date: 28-Jun-2004 Sheet of
File: C:\BK_Data\Series_4\Series_III_N ew_Mains\13784-00.ddbDrawn By:

V1_V_In
V2_V_In
V3_V_In
DVD_V_In
CD_V_In
SAT_V_In
TAP_V_In
TAP_V_Out
V1_V_Out
V2_V_Out
Z2_V_Out
Z1_V_Out
I2C_Data
I2C_Clk
Vid_Ctrl
M_Sys_Clk
~OSD_En
SPI_Clk
SPI_Out
~Vid_Det

S_Vid_Sel
Comp_Vid_Sel

C50 1uF/50V

1uF/50V

+

+

C46

+

C47 1uF/50V

2
1

3
14
13

7

8

6

AVR Series III S2 Digital Control

B&K p\n 13784-0D

U17

V+
C1+

C1­T1O
R1I

T2O
R2I

V-

MAX232smt

TAPE_V_Out

VCC

C2+

C2­T1I

R1O

T2I

R2O

GND

V1_V_In

V2_V_In

V3_V_In

DVD_V_In

CD_V_In
SAT_V_In
TAP_V_In

Z1_V_Out
Z2_V_Out
V2_V_Out
V1_V_Out

LED_A
LED_K

~DSP_Rst
~VFD_Rst

RS232_In
RS232_Out

VCC

16
4

5
11
12

10
9

15

C48 .1uF

+

C49
1uF/50V

RS232_TXD
RS232_RXD

V1_V_In
V2_V_In
V3_V_In
DVD_V_In
CD_V_In
SAT_V_In
TAP_V_In

Z1_V_Out
Z2_V_Out
V2_V_Out
V1_V_Out
TAPE_V_Out

LED_A
LED_K

~DSP_Rst
~VFD_Rst

-

4 of 6
ESM/SBS

D

C

B

A

D

C

B

A

TUN_A_R
TUN_A_L

V1_A_In_R
V1_A_In_L

V2_A_In_R
V2_A_In_L

V3_A_In_R
V3_A_In_L

DVD_A_In_R
DVD_A_In_L

CD_A_In_R
CD_A_In_L

SAT_A_In_R
SAT_A_In_L

TAP_A_In_R
TAP_A_In_L

DVDA_In_S
DVDA_In_C

DVDA_In_Rr
DVDA_In_Lr

DVDA_In_Rf
DVDA_In_Lf

LF
RF

V2B_R
V2B_L

V2_R
V2_L

Lx_Aud
Rx_Aud
Sub_Aud

C_Aud
Lr_Aud
Rr_Aud
Lf_Aud
Rf_Aud

Sub_VOL

C_VOL
Rr_VOL
Lr_VOL
Rf_VOL
Lf_VOL
Rx_VOL

~Sel_Rst

Aud_Sys_En

M1_En

M2_En
Aud_En
SPI_Out
SPI_Clk

I2C_Data

I2C_Clk

SPI_Qout
SPI_Qclk

54321

R71 1K

TUN_R
TUN_L

R72 1K
R61 1K

V1_R
V1_L

R62 1K
R63 1K

V2_R
V2_L

R64 1K
R65 1K

V3_R
V3_L

R66 1K
R67 1K

DVD_R
DVD_L

R68 1K
R69 1K

CD_R
CD_L

R70 1K
R73 1K

SAT_R
SAT_L

R74 1K
R75 1K

TAP_R
TAP_L

R76 1K

R157 1K

DVDA_S
DVDA_C

R158 1K
R159 1K

DVDA_Rr
DVDA_Lr

R160 1K
R161 1K

DVDA_Rf
DVDA_Lf

R162 1K

LF
RF

V2B_R
V2B_L
V2_R
V2_L

Lx_Aud
Rx_Aud
Sub_Aud
C_Aud
Lr_Aud
Rr_Aud
Lf_Aud
Rf_Aud

Sub_VOL
C_VOL
Rr_VOL
Lr_VOL
Rf_VOL
Lf_VOL
Rx_VOL

~Sel_Rst
Aud_Sys_En
M1_En
M2_En
Aud_En
SPI_Out
SPI_Clk
I2C_Data
I2C_Clk
SPI_Qout
SPI_Qclk

1 2 3 4 56

Z1 AUDIO SELECTOR

LC7821

U14

1

TUN_L

L1

2

V1_L

L2

3

V2_L

L3

4

V3_L

L4

5

LCM1

6

DVD_L

L5

7

CD_L

L6

TAPB_L TAPB_R

8

LCM2

9

SAT_L

L7

10

DVDA_Lt

L8

11

LCM3

12

VEE

13

Aud_En

CE

14

SPI_Qout

DI

15

SPI_Qclk

CLK

~Sel_Rst

MISC Z1 AUDIO SELECTOR

U25

1

V1B_L V1B_R

L1

2

TAPB_L TAPB_R

L2

3

Lt_Aud Rt_Aud

L3

4

TAP_L TAP_R

L4

5

A_Lf A_Rf

LCM1

6

L5

7

DVDA_Lr DVDA_Rr

L6

8

Z1_A_L Z 1_A_R

LCM2

9

Rx_Aud

L7

10

DVDA_S

L8

11

Rx_VOL

LCM3

12

VEE

13

M1_En

CE

14

SPI_Qout

DI

15

SPI_Qclk

CLK

~Sel_Rst
Note: Lx_Aud is not switched

R137

24.3K

DVDA_Rr

R138

24.3K

DVDA_Lr

ADC
DAC_F
DAC_C
DAC_R
DAC_X
DAC_T
DSP_Sckt
DSP_Fst
Mclk
Z1_SPDIF_In

R1
R2
R3
R4

RCM1

R5
R6

RCM2

R7
R8

RCM3

VDD

RST
VSS

LC7821

R1
R2
R3
R4

RCM1

R5
R6

RCM2

R7
R8

RCM3

VDD

RST
VSS

5

DVDA_Rs

6

ADC

DAC_F
DAC_C
DAC_R
DAC_X
DAC_T

DSP_Sckt

DSP_Fst

Mclk

Z1_SPDIF_In

S

S

30
29
28
27
26
25
24
23
22
21
20
19
18
17
16

30
29
28
27
26
25
24
23
22
21
20
19
18
17
16

TUN_R
V1_R
V2_R
V3_R

DVD_R
CD_R

SAT_R

DVDA_Rt

U31B
LF353

R136

+15-15

+15-15

7

24.3K

Z2 AUDIO SELECTOR

U16 LC7821

1

TUN_L

L1

R1

2

V1_L

L2

R2

3

DVDA_Lt

L3

R3

4

V3_L

L4

R4

5

LCM1

RCM1

6

DVD_L

L5

R5

7

CD_L

L6

R6

8

V2B_L V2B_R

LCM2

RCM2

9

SAT_L

L7
L8
LCM3
VEE
CE
DI
CLK

.1uF

C85

.1uF

RCM3

+15

84

3

~DVDA_Rs

2

-15

15K

15K

17.4K

10K

15K

15K

17.4K

10K

R7
R8

VDD

RST
VSS

U31A
LF353

S

R140

TAP_L

R139

DVDA_C

DVDA_S

DVDA_Rf

DVDA_C

DVDA_S

DVDA_Lf

Aud_En
SPI_Qout
SPI_Qclk

~Sel_Rst

C84

10K

10
11
12
13
14
15

R190

R135

R40

R191

R188

R134

R39

R189

30
29
28
27
26
25
24
23
22
21
20
19
18
17
16

1

10K

5

DVDA_Rt

6

+15

3

DVDA_Lt

2

-15

MISC 5.1 AUDIO SELECTOR

A_Lf A_Rf

TUN_R
V1_R

Lf_Aud Rf_Aud

DVDA_Rt

DVDA_Lf DVDA_Rf

V3_R

Lf_VOL Rf_VOL
Lr_Aud

DVD_R

DVDA_Lr DVDA_Rr

CD_R

Lr_VOL Rr_VOL
C_Aud Sub_Aud

84

SAT_R
TAP_R

U30B
LF353

R187

R186

+15-15

U30A
LF353

7

1

10

DVDA_C DVDA_S

11

C_VOL Sub_VOL

12
13

M2_En

14

SPI_Qout

15

SPI_Qclk
~Sel_Rst

RF

LF

DVDA_Rt

3.01K

DVDA_Lt

3.01K

1
2
3
4
5
6
7
8
9

U26
L1

L2
L3
L4
LCM1
L5
L6
LCM2
L7
L8
LCM3
VEE
CE
DI
CLK

LC7821

RCM1

RCM2

RCM3

VDD

RST
VSS

AUDIO SYSTEM

JP1

DAC_X

39 40

DAC_T

30

R1

29

R2

28

R3

27

R4

26

Rr_Aud

25

R5

24

R6

23
22

R7

21

R8

20
19

+15-15

18
17

S

16

R102

17.4K

R101

17.4K

+5

-5

HEADPHONE BUFFER

+15

3

R_HEAD

2

-15

5

L_HEAD

6

I2C_Clk
I2C_Data
M_~PDN
Mclk

Sub_Aud
C_Aud
Rr_Aud
Lr_Aud
Rf_Aud
Lf_Aud

84

.1uF

C70

.1uF

U21A
LF353

C71

U21B
LF353

1

R103

17.4K

7

R104

17.4K

37 38
35 36
33 34
31 32
29 30
27 28
25 26
23 24
21 22
19 20
17 18
15 16
13 14
11 12
9 10
7 8
5 6
3 4
1 2

RECEPTACLE 2X20

C33
.1uF

C43
.1uF

+15

-15

Z1_SPDIF_In
ADC

Aud_Sys_En

DSP_Sckt
DAC_C
DSP_Fst
DAC_F
DAC_R

Lx_Aud
Rx_Aud

Rt_Aud
Lt_Aud

Z1_A_L
Z1_A_R

R99

47.5

R100

47.5

C44
.1uF

C41
.1uF

R81
JUMPER
C42

.1uF

C45
.1uF
R82

JUMPER

TAPB_L
TAPB_R

+5

-5

V1B_L
V1B_R

W21

R_Hp

W8

GND

W19

L_Hp

+15

-15

V2B_L
V2B_R

+15

C31
.33uF

84

3
2

R59
1M

3
2

R83
1M

3
2

R91
1M

U5A
LF353

U6A
LF353

U7A
LF353

R56
221

5

7

TAP_L

6

R60
1M

R80
221

5

7

V1_L

6

R84
1M

R88
221

5

7

V2_L

6

R92
1M

AVR Series III S2 Audio Selector

Number RevisionSize

B&K p\n 13784-0S

1

TAP_R

C32

.33uF

-15

+15

84

1

V1_R

-15

+15

84

1

V2_R

-15

Title

B

Date: 28-Jun-2004 Sheet of
File: C:\BK_Data\Series_4\Series_III_N ew_Mains\13784-00.ddbDrawn By:

U5B
LF353

U6B

LF353

U7B
LF353

6

TAPE LINE OUTPUT

R55
221

V1 LINE OUTPUT

R79
221

V2/Z2 LINE OUTPUT

R87
221

-

TAP_A_Out_L

TAP_A_Out_R

V1_A_Out_L

V1_A_Out_R

V2_A_Out_L

V2_A_Out_R

5 of 6
ESM/SBS

D

C

B

A

321

4

C51

+

10uF/35V

C52

+

10uF/35V

C13.1uF

R6

6.34K

C14.1uF

R11

6.34K

U9 KES-209AV-U1

D

S MET

AM OSC

MNO/ST

ST12AM VT

AM/FM

R15

3.01K

R14

3.01K

AF OUT

20L14R13SD19

7

18

R12

17.4K

11

BC860CL

17

C1
.1uF

Q1

R13

3.01K

16

LOC/DX5ANT

AM_ANT

C8
.1uF

Sta_Det

C

MPX_Det

ZD2

1N748

+8

1

ZD1

1N748

B+9FM B+4VT2N/C

B+15FM OSC

6

8

3

10

SEEK

GND

+15

84

3

L_TUNER

2

U1A
LF353

-15

U1B

5

LF353

R_TUNER

6

1

R1

47.5K

C4

560pF

7

R7

47.5K

C6

560pF

LEFT MPX 19kHz BAND PASS FILTER

257BLR-3718N

7

8

FLT1

OUT1

3

OUT1

3

OUT2

6

5

4

7

OUT2

6

5

4

IN12IN2

C5

1nF

C7

1nF

1

R4

3.01K

257BLR-3718N

8

FLT2

IN12IN2

1

R9

3.01K
RIGHT MPX 19kHz BAND PASS FILTER

D

R5

3.01K

TUN_A_L

R10

3.01K
C

TUN_A_R

B

A

PLL_Clk

PLL_En
SPI_Out
SPI_Clk

SPI_In

~VFD_Rst

~DSP_Rst

S_Vid_Sel

Comp_Vid_Sel

R21 5.62

C9

U8

1

XOUT

2

CE

3

DI

4

CL

5

D0

FM_Sel
~VFD_Rst
~DSP_Rst

Mono

6

7

8

9

10

RN1 10K X 9

1 2 34

6
7
8

9
10
11
12

VCC

21345

OUT7
OUT6
I/O5
I/O4
I/O3
I/O2
I/O1

LC72146

+15

XIN

VSS1

AOUT

AIN
PD0
PD1
VSS

FMIN

AMIN

VDD

HCTR

LCTR

U20
LM7805CTB

1

Vin

1N748

24
23
22
21
20
19
18
17
16
15
14
13

ZD19

FM_Osc
AM_Osc

GND

2

+5V

3

C2
.1uF

VCC

+8

.1uF

C53
10uF/35V

C12

.1uF

+

C64
100uF/25V

R89
open

R90
open

+

R18
1K

R17
402

C54
10uF/35V

Q5
2SK371

R16

3.01K

Title

Date: 28-Jun-2004 Sheet of
File: C:\BK_Data\Series_4\Series_III_New_Mains\13784-00.ddbDrawn By:

R19
1K

C11
.1uF

B

+

A

R3
10K

Q3

BC850CL

Number RevisionSize

R20
1K

C3
33nF

C10
33nF

AVR Series III S2 Tuner

B&K p\n 13784-0T

A

-

6 of 6
ESM/SBS