BK Components PT5 Schematic

PT-5

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.

D

C

B

A

RS232_Conn

RS232_In
RS232_Out
FP_IR_Out

Status_En

Aud_En
PLL_En
~Vol_En

LED_St

CONT1

~VFD_Rst

Sys_Clk
PLL_Clk

I2C_Clk
ASPI_Clk
DSPI_Clk
TSPI_Clk
VSPI_Clk

~VFD_Clk

ASPI_Out
DSPI_Out
TSPI_Out
VSPI_Out

I2C_Data
Z86_Data

XILINX I/O PORTS

IR_Data

Sta_Det

MPX_Det

Z86_Clk

MUTE

54321

VCC

U13 24C128

1

A0

2

A1

3

A2

4

VSS

C65 1uF/16V

FP_IR_Out
Status_En
Aud_En
PLL_En
~Vol_En

LED_St

CONT1

~VFD_Rst

Sys_Clk
PLL_Clk
I2C_Clk
ASPI_Clk
DSPI_Clk
TSPI_Clk
VSPI_Clk
~VFD_Clk

ASPI_Out
DSPI_Out
TSPI_Out
VSPI_Out

I2C_Data
Z86_Data

IR_Data

Sta_Det
MPX_Det

Z86_Clk

MUTE
R93
221

PLL_En

1 2 3 4 56

C66

1uF/16V

+

C67 1uF/16V

R92

221

I2C_Clk CONT1
I2C_Data

VCC

TSPI_Clk
TSPI_Out

PLL_Clk
MPX_Det
Sta_Det
Rd_Data

Rd_Trig

VCC

R69

2.26K

VCC

SDA

NC

SCL

+

+

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

R48

10K

8
7
6

I2C_Clk

5

I2C_Data

U20 MAX232CSE

2

V+

VCC

1

C1+

3

C1-

14

T1O

13

R1I

7

T2O

8

R2I

6

GND

V-

6

U17B

74HC00

VCC

11

Vcc

Gnd
nc
nc
nc
nc
I2C_Clk
I2C_Data
nc
nc
Gnd
Vcc
nc
TSPI_Clk
TSPI_Out
PLL_En
PLL_Clk
MPX_Det
Sta_Det
Rd_Data
Gnd
Rd_Trig

Vcc

33

C2+

C2­T1I

R1O

T2I

R2O

ASPI_Out
9

10

Aud_En

M2_I/O

34

35

M2_I/O Aud_En

16
4

5
11
12

10
9

15

4

5

ASPI_Clk

Status_En
7

8

ASPI_Clk

ASPI_Out

Ser_Busy

nc37nc

nc

36

Ser_Busy

VCC

+

RS232_TXD
RS232_RXD

5

nc6nc

nc

Z86_Data39Z86_Clk

38

Z86_Data

C69 .1uF

C68
1uF/16V

VCC

4

nc3nc

I/O_ERR

40

41

VCC

Z86_Clk

I/O_ERR

2

1

Vcc

XILINX

Vcc42Gnd

43

84

83

nc

Gnd

DSPI_Out

45

44

DSPI_Out

DSPI_Clk

82

nc

nc

DSPI_Clk

nc

46

47

~VFD_Clk

~Vol_En

80

79

nc81nc

~Vol_En

Z86_Mclk49~VFD_Rst

~VFD_Clk

LED_St

48

LED_St

VSPI_Clk

VSPI_Out

77

78

76

VSPI_Clk

VSPI_Out

IR_Data

50

51

~VFD_Rst

IR_Data

Ser_Clk
75

Gnd

Gnd52Done

53

Done

R94
221

Ser_Wr
Ser_Rd
Ser_Data
Ser_Clk

Ser_Busy
~Z86_Int
Ser_En
~Program

Ser_Clk

Dig_En

Ser_Data

CONT1

Ser_Rd
Ser_Wr

Sys_Clk
~Z86_Int
~Program

C_Clk

MUTE

Ser_En

Vcc

nc

nc
nc

nc
Gnd
Vcc

nc

nc

Vcc

~WR
~RD

U12

74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54

5202-TP101

1
2
3
4
5
6
7
8

10
11
12
13
14
15
16
17

VCC

Ser_Data
FP_IR_Out

MUTE

Ser_Rd
Ser_Wr

Ser_En
Sys_Clk
~Z86_Int
~Program

VCC

Z86_Mclk

U18

P10/T2
P11/T2EX
P12/RXD1
P13/TXD1
P14/INT2
P15/INT3
P16/INT4
P17/INT5

P30/RXD0
P31/TXD0
P32/INT0
P33/INT1
P34/T0
P35/T1
P36/WR
P37/RD

80C323-DIP

VCC

VCC

R55

C44

100K

.1uF

40

VCC

29

30

31

9

P00/AD0
P01/AD1
P02/AD2
P03/AD3
P04/AD4
P05/AD5
P06/AD6
P07/AD7

P22/A10
P23/A11
P24/A12
P25/A13
P26/A14
P27/A15

14.318Mhz

RN2
1
2
3
4
5
6
7
8
9

10

10K X 9

C55
.1uF

C47
.1uF

P20/A8
P21/A9

XT1

VCC

C56
.1uF

VCC

C48
.1uF

39
38
37
36
35
34
33
32

21
22
23
24
25
26
27
28

EA

RST

ALE

PSEN

XTAL119XTAL2

GND

18

20

R65
1M

C43
30pF

VCC

Rd_Data
Rd_Trig
M2_I/O
I/O_ERR

Done
~Program

C53

C54

.1uF

.1uF

C45

C46

.1uF

.1uF

1

OC

11

ALE

AD0 A0
AD1 A1
AD2 A2
AD3 A3
AD4 A4
AD5 A5
AD6 A6
AD7 A7

C42
30pF

C57
.1uF

C49
.1uF

C

2

1D

3

2D

4

3D

5

4D

6

5D

7

6D

8

7D

9

8D

U16 74HC573

1

U17A

2

74HC00

C58

C59

.1uF

.1uF

C50

C51

.1uF

.1uF

1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q

B_A0

B_A1

B_A2

B_A3

3

C60
.1uF

C52
.1uF

19

A0

18

A1

17

A2

16

A3

15

A4

14

A5

13

A6

12

A7

A8 A9
A9 A10
A10 A11
A11 A12
A12 A13
A13 A14
A14
A15

U7

2

1A

3

1B

5

2A

6

2B

11

3A

10

3B

14

4A

13

4B

1

A/B

74HC157

A8

~WR

A15
~RD

10

A0

9

A1

8

A2

7

A3

6

A4

5

A5

4

A6

3

A7

25

A8

24

A9

21

A10

23

A11

2

A12

26

A13

1

A14

27

WE

20

CE

22

OE

U14

VCC

9

U17C

10

74HC00

12

U17D

13

74HC00

4

1Y

7

2Y

9

3Y

12

4Y

15

E

VCC

28

VCC

11

AD0

D0

12

AD1

D1

13

AD2

D2

15

AD3

D3

16

AD4

D4

17

AD5

D5

18

AD6

D6

19

AD7

D7

14

GND

32KX8SRAM

8

11

FRONT PANEL CONNECTOR

JP2

Z86_Data

12

Z86_Clk

34

DSPI_Out

56

DSPI_Clk

78

~VFD_Clk

910

LED_St

1112

Z86_Mclk

1314

IR_Data

1516

LED_A

1718

LED_K

1920

~VFD_Rst

2122

XDISPB

2324
2526
2728
2930
3132
3334
3536
3738
3940

HEADER 2X20

Title

B

Date: 14-Aug-2002 Sheet of
File: C:\B&k_Data\Pt_3i\13297-01.ddb Drawn By:

PT-5 DIGITAL CONTROL

Number RevisionSize

~PSEN

13297-0d

E_A14
E_A15
E_A16

E_A17

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13

LED_A
LED_K

FL2
FL1

12
11
10

9
8
7
6

5
27
26
23
25

4
28
29

3

2
22
24

6

VCC

LED_A
LED_K

FL2
FL1

VCC

D0
D1
D2
D3
D4
D5
D6
D7

PGM

N/C

VPP
GND

27C1001

32

13
14
15
17
18
19
20
21

VCC
31
30

1
16

3 of 6
ESM\SBS

AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
CE
OE

U15

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

TAP_A_In_R

TAP_A_In_L

Aud_En
ASPI_Out
ASPI_Clk

~Vol_En
VSPI_Out
VSPI_Clk

UN_MUTE

C35

.1uF

.1uF

C16

.1uF

.1uF

54321

PREAMP HP OUTPUT

PREAMP MONO / SUB

R103

5

3.01K

L-

6

1

AD712

R109
10K

1

AD712

R26

17.4K

SUB

L+R
RFHP

LFHP
LF

RF

UN_MUTE

R98

10K

PREAMP LARGE OUTPUT

5

L+

6

R7

R101

10K

1M

R22

17.4K

R21

17.4K

Title

Number RevisionSize

B

Date: 14-Aug-2002 Sheet of
File: C:\B&k_Data\Pt_3i\13297-01.ddb Drawn By:

U21B
AD712

7

R105

R99

47.5

10K

R106

47.5

R107

47.5

R108

47.5

U11B
AD712

7

R25

17.4K

HEADPHONE BUFFER

C14

+15

.1uF

84

3

1

R_HEAD

2

U3A
LF353

R23

17.4K

C15

-15

.1uF

5

7

L_HEAD

6

U3B
LF353

R24

17.4K

PT-5 AUDIO SELECTOR

13297-0p

+15

C10
.1uF

84

3

1

TAP_R

2

R63
1M

R52
100K

R42 1K

TUN_R
TUN_L

R43 1K
R32 1K

V1_R
V1_L

R33 1K
R34 1K

V2_R
V2_L

R35 1K
R36 1K

V3_R
V3_L

DVD_R
DVD_L

CD_R
CD_L

TAP_R
TAP_L

-15

C12
.1uF

R88

47.5K

C91

R50

C83

R73

1.5K

R37 1K
R38 1K

R39 1K
R40 1K

R41 1K
R44 1K

R45 1K
Aud_En

ASPI_Out
ASPI_Clk
~Vol_En
VSPI_Out
VSPI_Clk

UN_MUTE

1 2 3 4 56

C18
.01uF

+

1uF/16V

47.5K
C70

R89
1K

.22uF

Aud_En
ASPI_Out
ASPI_Clk

C89
1uF/16V

+

C75

10uF/25V

220pF

VSPI_Clk
VSPI_Out
~Vol_En

TUN_L
V1_L
V2_L
V3_L

DVD_L
CD_L

TAP_L

+

C19

.01uF

4
5

12

6
7

8
9

10

11
13

2
3

1
28
27

10
11
12
13
14
15

VOL/TONE/LOUDNESS

R57
100

C11

-15

.1uF

AUDIO SELECTOR

LC7821

U9

L11R1

2

L2

R2

3

L3

R3

4

L4

R4

5

LCM1

RCM1

6

L5

R5

7

L6

R6

8

LCM2

RCM2

9

L7

R7

L8

R8

LCM3

RCM3

VEE

VDD

CE

RST

S

DI

VSS

CLK

C22

.1uF

U10 LMC1982CIV

LIN1
LIN2
LENH

RENH

LSOUT

RSOUT

LSIN

LTIN

RTOUT

LTOUT

ROPOUT

LOPOUT

RLOUD

LLOUD

ROUT

LOUT
DI1
DI2

BYPASS
CLK
DATA
ID

U2A
LF353

RIN1
RIN2

RSIN

RTIN

GND

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

V+

TAPE LINE OUTPUT

R64
1M

TUN_R
V1_R
V2_R
V3_R

DVD_R
CD_R

TAP_R

C13
.1uF

R54
100K

+

C73

1uF/16V
+

C74
C90

25

1uF/16V

24

C76

17
23
22

10uF/25V

21

C20

20
19

.01uF

C71

18
16

14

+12
26
15

+

C33

1uF/16V

1uF/16V

+

5

TAP_L

6

R51
100K

+15

R901KR91

+

C92

C21
.01uF

R53

47.5K

220pF

C84 .22uF

+

C72

10uF/25V

+

7

R56
100

47.5K

1uF/16V

R74

1.5K

U2B
LF353

R59
221

R58
221

R621MR70

1M

6.34K

C79.22uF C80.22uF

LF HIGH PASS FILTER

80Hz 12dB/OCT

R77

6.34K

C81.22uF C82.22uF

RF HIGH PASS FILTER

80Hz 12dB/OCT

SUB LOW PASS FILTER

80Hz 12dB/OCT

R80

R79

12.73K

12.73K

C85 .22uF

R81
100K
R82
100K

MONO SUM
UNITY GAIN

R100
10K

R104

3.01K

1M

R102

+15

84

U21A

3

R-

2

C38

-15

+15

84

U11A

3

R+

2

C17

R8

10K

-15

1

512

RL1
HAS212

14 3

16

143

16

RL2
HAS212

1

5 12

143

16

RL3
HAS212

1

5 12

R30

3.01K

C77
U25A
LF353

R76

12.73K

U25B
LF353

R78

12.73K

U26A
LF353

7

U26B

LF353

POWER MUTE

3

2

5

6

3

2

+15

84

LFHP

-15

RFHP

+15

84

LP 80Hz

-15

.1uF

1

C78
.1uF

7

C88

.1uF

1

C87
.1uF

D14
1N4148

R47
1K

R46
1K

+15

9 8

98

98

Q3
2N5210 U

R75

C86

.12uF

5

6

R83
100K

R84
221
R85
221

R86
221
R87
221

BAL_L­BAL_L+

BAL_R+
BAL_R-

R60
221
R61
221

R66

47.5

R67

47.5

6

LFHP

LFHP
RFHP

RFHP

TAP_A_R
TAP_A_L

SUB

SUB
L+R

BAL_L­BAL_L+

BAL_R+
BAL_R-

LF

RF

W3

R_HEAD

W2

W1

L_HEAD

-

4 of 6
ESM\SBS

D

L+R

C

LF

RF

B

GND

A

321

4

C27

+

10uF/25V

C28

+

10uF/25V

Q4
2SK371

R19

3.01K

C8 .1uF

R4

6.34K

C9 .1uF

R5

6.34K

R27
402

U5 KES-209AV-U1

D

AM_ANT

C31
.1uF

Sta_Det

C

B

MPX_Det

+8

PLL_Clk

PLL_En

TSPI_Out

TSPI_Clk

ZD2

1N748B

FM_Sel
Mono

1

ZD1

1N748B

U4 LM7005

1

XIN

2

CE

3

DI

4

CL

5

UL

6

OUT0

7

OUT1

8

OUT2

9

OUT3

10

OUT4

11

OUT5

12

OUT6

ANT

5

N/C6LOC/DX

XOUT

VSS1

PD2
PD1

VBB

VDD

RF1

VSS2

RF2

VSS3

RF3
RF4

B+9FM B+

4VT2

SEEK

GND

B+15FM OSC

8

3

10

24
23
22
21
20
19
18
17
16
15

FM_Osc

14
13

AM_Osc

R18

3.01K

R17

3.01K

+5

20L14R13SD19

AM/FM

AF OUT

7

C2
.1uF

ST12AM VT

18

2N5087 U

R20

17.4K

C4
.1uF

Q1

R49 5.62

C7

.1uF

AM OSC

MNO/ST

17

11

C1
.1uF

R16

3.01K

C6
.1uF

S MET

16

+

C29
10uF/25V

R29
475

C30

10uF/25V

+15

84

3

L_TUNER

2

-15

5

R_TUNER

6

R6
1K

+

U1A
LF353

U1B
LF353

Q2
2N5210 U

1

C23

560pF

7

C24

560pF

R3
10K

R1

47.5K

R2

47.5K

LEFT MPX 19kHz BAND PASS FILTER

257BLP-3718N

7

8

FLT1

OUT2

IN12IN2

C25

R12

3.01K

1nF

C26

R14

3.01K

1nF

RIGHT MPX 19kHz BAND PASS FILTER

R31
1K

C3
33nF

OUT1

5

3

1

4

257BLP-3718N

7

8

FLT2

IN12IN2

OUT1

5

3

1

4

C5
33nF

6

OUT2

6

R13

3.01K

R15

3.01K

D

TUN_A_L

C

TUN_A_R

B

+5

+15

10

A

RN1 10K X 9

1 2 34

213456789

U6
LM7805CTB

1

Vin

ZD3

1N748B

+5V

GND

2

+8

3

+

C32
100uF/25V

Title

Number RevisionSize

A

Date: 14-Aug-2002 Sheet of
File: C:\B&k_Data\Pt_3i\13297-01.ddb Drawn By:

PT-5 TUNER

13297-0t

-

5 of 6
ESM\SBS

A

54321

+15

ZD6

6

1N963

D

D2

1N4002

+

CON9
PWR_CON1

D3

1N4002

C61

1000uF/50V

W10

GNDR

+20

W11

L

N

1

2

C

FUSE1

FUSE

CON6

CON7

CON8

220 VAC

120 VAC

FL1

FL1

FL2

FL2

B

240 VAC

AC

12726
TRANS1

41211

3

10

9

8

621
7
5

D9

1N4002
D10

1N4002

D11

1N4002
D12

C62

1000uF/50V

+

1N4002

+

C63

1000uF/50V

D5

U8 LM7805CTB

1

Vin

GND

2

D6

U22 LM317T

3

Vin

Adj

1

D7

U23 LM7815CTB

1

Vin

GND

2

1

GND

2

Vin

U24 LM7915CTB

D8

1N4002

+5V

1N4002

Vout

1N4002

+15V

-15V

1N4002

VCC +5

3

C34
100uF/25V

R71
475

+13.4

+

C39

TZ1
SA5.0A

+

2

R11
475

R10

2.26K

W9

GNDA

100uF/25V

+15

3

+

C36
100uF/25V

C37

+

100uF/25V

3

-15

R68
1K

D1
1N4148

D13

1N4002

LM7812

U19

1

Vin

+12V

GND

2

R95

1.5K

Q7
2N5087 U

R96
10K

R97
10K

UN_MUTE

+12

3

+

C40
100uF/25V

+12

GND

VCC

+12

W5

W7

W8

-20VCC

-20

W4

D

C

MUTE

B

VCC VCC

R119

Jumper

VCC VCC

R120

A

Jumper

-15 -15
R110

Jumper

1 2 3 4 56

-11.5

R9

10K

ZD4

1N748

ZD5

1N748

-20

A

Title

Number RevisionSize

B

Date: 14-Aug-2002 Sheet of
File: C:\B&k_Data\Pt_3i\13297-01.ddb Drawn By:

PT-5 POWER SUPPLY

13297-0v -

6 of 6
ESM\SBS

321

4

D

C

B

A

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
TAP_A_In_R
TAP_A_In_L

TAP_A_R

TAP_A_L

RF
LF

RFHP

LFHP

SUB
L+R

BAL_R+

BAL_R-

BAL_L+

BAL_L-

VCC

4

5

9

10

12

13

FP_IR_Out

LED_A
LED_K

RS232_Conn

Status_En

W

C94
.1

6

8

11

R

CON3
AUDIOx3

3

XLR_M_CON

2

M

CON14

8

CON12

3061-31

1

R72
475

2 5

XLR_M_CON

2

3

74HC00

2 5

BAL_R+
BAL_R­BAL_L+
BAL_L-

+5

U27B

74HC00

U27C

74HC00

U27D

74HC00

1 2 34

U27A

CON4
AUDIOx3

CON13

3

M

W

R

1

2

1

8

R28
365

R111

10k

JP1

+5

8
7
6
5

W

R

2 5

CON5
AUDIOx2

U28 6N137

Vcc

Gnd

R117 open

1 2
3 4

R118 open

W

R

2 5

CON10
AUDIOx2

+13.4

R112 1k

1
2

R113

3
4

HEADER_2X2

Title

D4
1N4148

1.5k

+13.4

R115

47.5k

+ C64

10uF

D15

1N4148

C41 open

R116 440k

4
In

2

FB

3

Tap

Sense

8

En

Gnd

1

Out

Err

U29
LP2986

PT-5 MAIN CONNECTOR/SWITCH

Number RevisionSize

A

Date: 14-Aug-2002 Sheet of
File: C:\B&k_Data\Pt_3i\13297-01.ddb Drawn By:

13297-0c

RS232_Out

RS232_In

AM_ANT

D16
5
6

1N4002

7

+ C93

D17

D18

10uF

1N4002

1N4002

AM PC MOUNT

R114
10K

+13.4

2 of 6
ESM\SBS

CON2

8

7

6

5

4

3

2

1

RJ45-2

RS-232 I/O

CON1

CON11

1
2
3
4
5

-

2

1

D

C

B

5_SCREW

CONTROL

A

54321

6

Q1
2N5087

U3
MM-001E

VCC

C12

+

10uF 25V

U1

5

GND

13

BLNK

7

ST

4

CLK

14

DI

16

DO

15

VBB

6

VDD

UCN5810

IR receiver

1

4

17

Q10

18

Q9

1

Q8

2

Q7

3

Q6

8

LED_ZONE2

Q5

9

LED_REAR

Q4

10

LED_MASTER

Q3

11

LED_SUB

Q2

12

LED_CENTER

Q1

LD1

VCC3OUT2GND

5

Title

B

Date: 7-Aug-2000 Sheet of
File: C:\B&k_Data\BKPROD\SeriesII\Manufac\PCB_Current\10954d0k.DDBDrawn By:

R2
100

IR

AVP/AVR/REF DISPLAY BOARD

Number RevisionSize

JP3

910
78
56
34
12

HEADER 2X5
JP4
HEADER 2X5

910
78
56
34
12

JP1

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

JP2

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

LED_ZONE2
LED_SUB
LED_REAR
LED_CENTER
LED_MASTER

SW_VOL_UP
SW_VOL_DN

SW1_SLEEP
LED_SLEEP
SW2_PRESET
LED_PRESET
SW3_ENTER
LED_ENTER
SW4_MENU
LED_MENU
SW5_DN
LED_DN
SW6_UP
LED_UP
SW7_SOURCE
LED_SOURCE
SW8_MODE
LED_MODE
SW9_LEVEL
LED_LEVEL

VCC

LED_A
LED_K
IR_Data

Z86_Data
Z86_Clk
SPI_Out
SPI_Clk
~VFD_Clk
LED_St

3.58MHz
IR_Data
LED_A
LED_K
~VFD_Rst
XDISPB

FL2
FL1

11

ESM\THK

JP3 MTD ON REARJP4 MTD ON REARJP1 MTD ON REARJP2 MTD ON REAR

RN5

1
2
3
4
5
6
7
8
9

10

10K

ODD/EVEN SWAPPED ODD/EVEN SWAPPED ODD/EVEN SWAPPED ODD/EVEN SWAPPED

-

D

C

B

A

VCC

D

D1

1N4002

D2

1N4002

R5
10K

U2

UCN5810

LED_UP
LED_LEVEL

C

B

LED_MODE
LED_SOURCE
LED_PRESET
LED_SLEEP
LED_ENTER
LED_MENU
LED_DN

SW8_MODE
SW9_LEVEL
Z86_Clk Z86_Data

VCC

3.58MHz
SW_VOL_DN
IR_Data

R10
100K

12

Q1

11

Q2

10

Q3

9

Q4

8

Q5

3

Q6

2

Q7

1

Q8

18

BLNK

Q9

17

Q10

U5

Z86E04

1

P24

2

P25

3

P26

4

P27

5

VCC

6

XTALO

7

XTALI

8

P31

9

P32

VCC G1

VCC -10

C5

C3

33nF

A

33nF

R3
100

Q2
2N5087

VCC

6

VDD

15

VBB

16

SPI_O_1

14

SPI_Out

DI

4

SPI_Clk

7

LED_St

ST

13
5

18

SW6_UPSW7_SOURCE

17

SW5_DN

16

SW4_MENU

15
14
13

SW3_ENTER

12

SW2_PRESET

11

SW1_SLEEP

10

SW_VOL_UP

R9
100K

C6
33nFC733nFC833nFC933nF

CLK

GND

GND

DO

P23
P22
P21
P20

P02
P01
P00
P33

RN4
100K

RN1
100K

C4
OPEN

G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
G14
G15
G16
FL1
FL2

-25 -25

1
2
3
4
5
6
7
8
9
10

1
2
3
4
5
6
7
8
9
10

SPI_Out

G16

~VFD_Clk

G15

G1

G14

G2

G13

G3

G12

G4

G11

G5

G10

G6

G9

G7
G8
G9
G10
G11
G12
G13

G8

G14

G7

G15

G6

G16

G5
G4
G3
G2

~VFD_Rst

C14

VCC

33nF

POR (Power On
Reset)
Is an active low signal
Needs to be low to
reset the MIC 10957

R7
10K

U4
MSC1937 DIP

21
22
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2

DATA
SCLK
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16

11
12
13
14
15
16
17
18
20
21
22
23
24
25
26
27
37

R1110K

Q3
2N5087

24.3K

DIS1

1

FG169K1A

VCC

R8

G16
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
FL
FL

PNT

TAIL

30
28
7

PP

8

PO

4

PN

3

PM

9

PL

2

PK

32

PJ

33

PI

5

PH

6

PG

10

PF

29

PE

31

PD

34

PC

35

PB

36

PA

PNT
TAIL
SGN
SGL
SGP
SGJ
SGM
SGI
SGK
SGO
SGH
SGG
SGF
SGE
SGD
SGC
SGB
SGA

+12 VCC

C1
33nFC233nF

R4

24.3K

VCC

1

VSS

VDD(gnd)

18

-10

19

A

SGA
SGB
SGC
SGD
SGE

SGF
SGG
SGH

SGI

SGJ
SGK
SGL

SGM

SGN
SGO
SGP

TAIL

PNT

POR

20

-10 Volt supply is GND.
D8 is used to connect

-10 to GND via a jumper.

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

SGA
SGB
SGC
SGD
SGE
SGF
SGG
SGH
SGI
SGJ
SGK
SGL
SGM
SGN
SGO
SGP
TAIL
PNT

SGA
SGB
SGC
SGO
SGK
SGD
PNT
SGE
TAIL

SGF
SGM
SGL
SGN
SGG
SGH
SGP
SGJ
SGI

RN3

100k

1
2
3
4
5
6
7
8
9

10

RN2

100k

1
2
3
4
5
6
7
8
9

10

VCC +12 -25

CN1

1
2
3
4
5

CON5

-10

1N4002

+

C10

10uF 25V

D5

1N4002

+

C13

10uF 25V

D6

D8

JUMPER

D3
1N4002

D4
1N4002

-10

+

OPEN

LED_St
SPI_Clk

SPI_O_1

R1
100

C11

D7

1N4002

1 2 3 4 56

321

4

D

C

JP1

9 10
7 8
5 6
3 4
1 2

R1

2.26K

R2
JUMPER

HEADER 2X5

NOTE:
ODD/EVEN NOT SWAPPED

B

JP1 MTD ON TOP

R3

2.26K

SW1

B

C

A

NOBEL_ENC

D

C

B

A

Title

AVP/AVR/REF/TP ROTARY ENCODER BOARD

A

Number RevisionSize

A

Date: 7-Aug-2000 Sheet of
File: C:\B&k_Data\BKPROD\SeriesII\Manufac\PCB_Current\12760a00.DDBDrawn By:

11

A

ESM

1 2 34