Brother 2150N, 2170W, HL-2140 ■Main PCB Circuit Diagram (4/4)

■Main PCB Circuit Diagram (4/4)

1

2

3

4

LAN I/F, USB I/F, USB HOST,Wireless-LAN

@C21

TP171

TP172

@U7

TP233

LAN_AVDD3

A

C8P

@R52

62

64

LAN

0

XTALOUT

RSET_BG

@R190

0V

@C18

@C17

@X1

@R51

12.1k

C103

C104

SPEED : YELLOW

@CN1

1M

1%(F)

0V

LEDA

10

LEDY_C

61

2B

@R2

330

9

0V

HCM49 25.00000MHZ

XTALIN

VDD3

LEDY_A

@C32

(1608)

C8P

TP174

6

guarding

1

TPO+

TD+

7

2

TPO-

guarding

TD-

17

3

LAN_RST_N

@R191

1k

CT

RSTn

1-3D

@C182

guarding

7

C102

TP179

3

guarding

8

RD+

TPI+

4

RD-

TP168

TPI-

@R200

@R201

@R198

@R199

0V

@R175

51

@R1

330

11

0V

4.7k

AEN/PSEN

49.9

49.9

49.9

49.9

VDD3

12

LEDG_A

1%(F)

1%(F)

1%(F)

1%(F)

(2012)

(2012)

(2012)

(2012)

LEDB

(1608)

LEDG_C

52

2B

LINK : GREEN

LAN_CSN

1-3D

CSn

TP234

TP232

4

NC

NC4

53

14

@C16

@C15

5

IORDN

RDn

I_LK/ACT

LEDB

C104

C104

NC

NC5

1-3C/2-4A/5B 54

15

3B

NC

6

IOWEN

1-3C/2-4A/5B

WRn

I_SPEED

LEDA

NC6

B

I_FULL/COL

16

3A

0V

13

FG13

TP170

@R181

55

@R192 10k

14

VDD3

10k

IOIS16n

TP238

0V

LAN_FG

FG14

RJLBC-248TC1

TP183

EECS

21

TP181

VDD3

@R18410k

22

EECK

20

TP184

PME

19

VDD3

@R18310k

TP182

EEDIO

TP239

@R185

47

23

LAN_INT

IRQ

1-1D

TP201

VCC3A3

1

LAN_AVDD3

@C22

@C23

@C24

TP237

C104

C104

C106

ADR[6]

@R53

100

50

2

(2012)

ADR[2]

TP173

SA0

GND3A3

0V

49

@RA7 4

5

SA1

5

ADR[3]

48

VCC18A5

100 3

6

SA2

VCC1.8A

ADR[4]

47

2

7

SA3

60

C

ADR[5]

46

VCC18A60

ADR[15]

1

8

TP176

SA4

45

SA5/FIFO_SEL

@C181

@C184

@C33

@R60

100

C104

C104

C106

GND18A63

63

(2012)

ADR[22-1]

8

1-5B/2-1C/2-1A/2-1B/5D

GND18A8

0V

56

TP166

TCLK

10

TP167

57

VCC3R3

VDD3

TEST_CK_EN

@C185

@C186

C104

C106

GND3R3

11

(2012)

0V

12

TEST2

13

TEST1

0V

DATA[8]

TP126

42

DATA[9]

4

5 @RA15

SD0

41

DATA[10]

3

6

SD1

44

33

40

VCC3IO44

VDD3

DATA[11]

2

7

SD2

25

39

VCC3IO25

DATA[12]

1

8

TP177

SD3

@C179

@C41

@C44

D

38

C43

DATA[13]

4

5 @RA16

SD4

C106

37

C104

C104

C104

DATA[14]

3

6

SD5

26

(2012)

33

36

TP235

2

7

SD6

GND26

0V

@L1

DATA[15]

35

VDD3

LAN_AVDD3

DATA[0]

1

8

TP178

SD7

BLM11P300S

34

(1608)

DATA[1]

4

5@RA17

SD8

9

33

V18F

VCC1.8

DATA[2]

3

6

33

SD9

@C35

TP236

TP175

32

@C36

VCC1.8

@L3

SD10

C106

VCC1.8A

DATA[3]

2

7

31

C104

(2012)

BLM11P300S

DATA[4]

1

8

TP180

SD11

24

0V

(1608)

30

VCCK24

VCC1.8

DATA[5]

4

5@RA18

SD12

43

29

VCCK43

DATA[6]

3

6

SD13

59

33

28

VCCK59

DATA[7]

2

7

SD14

27

@C34

@C42

@C37

1

8

SD15

DATA[15-0]

58

C103

C103

C103

GND58

1-2B/2-1C/5B

18

GND18

0V

ADRESS,DATA BUS)

AX88796BLF

E

TP265

R22

10k

USBVCC

1-2D

R23

USB

TP268

15k

USBCTL

1-3D

C12

CN2

C101

R33

1

1.5k

0V

PC5V

TP267

R32

0V

3

DP

USBDP

1-3D

24

TP266

R31

2

DN

USBDN

1-3D

24

NC

4

GND

C19

C20

0V

R30

C68P

C68P

C1

C2

C3

C4

0V

100k

@DA1

5

FG

USB_FG

6

FG

F

0V

DF5A6.8FU(F)

A

UBR24-4K2G00

0V

1

2

3

4

5

6

7

8

A

@D2

RB751V-40

HCM49 12.00000MHZ

@C102

@U6

43

@X3

TP23

C22P

X1in

R92

1

4

@U2

5

3.3k

VDD5

VDD

VOUT

WLAN_CSN

TP130

21

CS

44

TP19

0V

@C85

@C86

TP58

@C99

100

TP128

20

2

3

1-3C @R167

C106

C106

IORDN

RD

X2out

(2125)

C104

NC

@C100

1-3C/2-4A/1B

TP65

22

TP22

@R91

@C101

C104

(2125)

IOWEN

WR

0V

1-3C/2-4A/1B

@R155 100

680

C27P

1

2

0V

0.5

CE

GND

@R143 1k

TP64

32

35

TP26

R1170H331B-T1-F

WLAN_RSTN

RESET

H_PSW1

TP9

1-3D

@C148

36

TP24

B

H_PSW2

WLAN_PWR_ON

TP140

C104

TP74

1-3E

WLAN_INT

@R150

0V

30

42

TP25

INT1

H_OC1

VDD_5V

Wireless LAN

1-1C

22

TP72

41

7D

(Straight)

31

INT2

H_OC2

49

TP63

2

@CN11

DATA[15-0]

OTG_DM1

+3V

1-2B/2-1C/1E

TP122

OTG_DP1

50

TP59

DATA[8]

@RA11

63

1

8

D0

5

DATA[9]

33

64

0V

GND

2

7

D1

@R110

22

DATA[10]

3

6

2

46

TP20

4

D2

H_DM2

DATA-

DATA[11]

3

47

TP17

3

4

5

D3

H_DP2

DATA+

DATA[12]

@RA12

TP124

5

@R109

22

@C113

@C114

1

8

D4

DATA[13]

2

33

6

C47P

C47P

7

D5

DATA[14]

3

6

7

D6

@R156 100k

NC

1

RESET

DATA[15]

4

5

8

23

TP69

VDD3

D7

TEST0

DATA[0]

@RA13

8

TP125

10

59

TP117

1

D8

TEST1

C

DATA[1]

33

11

60

TP116

@R76

10k

6

2

7

D9

TEST2

0V

0V

FG

DATA[2]

12

@R75

3

6

D10

10k

B6B-PH-K-K(LF)(SN)

DATA[3]

13

4

5

D11

FG_WLAN

DATA[4]

@RA14

8

TP127

15

38

TP21

1

D12

CLKOUT

DATA[5]

33

16

2

7

D13

DATA[6]

17

3

6

D14

DATA[7]

18

53

TP60

4

5

D15

CP_CAP1

54

@C151

CP_CAP2

C823

ADR[9]

@R165

TP120

61

A0

TP61

OT2

VDD_5V

TP121

7B

1-5B/2-1C/1C

100

62

56

0V

A1

Vdd_5V

VDD3

@R166

10k

TP62

@C154

TP71

24

Vbus

55

@R77 10k

C103

@L4

(1608)

DREQ1

0V

TP66

TP70

25

4

VDD3

DREQ2

Vcc4

Vcc14

14

VDD3

@R14910k

TP68

28

26

D

DACK1

Vcc26

29

40

DACK2

Vcc40

@R144 10k

TP67

52

Vcc52

58

@R94

100k

TP28

33

Vcc58

C106

VDD3

H_SUSPEND/WAKEUP

19

C103

C103

C103

C103

C103

C103

@C73

(2125)

@R93

100k

TP27

DGND1

1

34

9

D_SUSPEND/WAKEUP

DGND9

TP18

39

DGND19

27

TP16

GL

DGND37

@C152

@C153

@C136

@C155

@C171

@C170

DGND27

37

@R106 10k

45

57

VDD3

OTGMODE

DGND57

@R108

10k

TP15

48

51

0V

ID

AGND

0V

ISP1362BD

VDD3

@R107

10k

E

F

NAME CIR B512257

CODE LV0034-001 (4/4)

5 6 CR5000 7 8

6-4 Confidential