Brother MFC-J2320 Service Manual

6-7
Confidential
 Wiring Diagram
CN13 HEAD1
CN15 PF-MOTOR
HDVTEMP 1 21 VTEMP
CN16 LAN
2PF_M -
S0V 2 20 S0V
FG10 10
1PF_M +
FIRE_B+ 3 19 FIRE_B+
FG9 9
FIRE_B- 4 18 FIRE_B-
RD- 8
S0V 5 17 S0V
RD+ 7
SIN_B+ 6 16 SIN_B+
NC6 6
CN17 CR- MOTO R
SIN_B- 7 15 SIN_B-
NC5 5
2CR_M -
S0V 8 14 S0V
NC4 4
1CR_M +
CLK_B+ 9 13 CLK_B+
CT 3
CLK_B- 10 12 CLK_B-
TD- 2
1 VSS2 S0V 11 11 S0V
TD+ 1
2 VDD2 CLK_A- 12 10 CLK_A-
CN18 ADF-MOTOR
3 CLK_A- CLK_A+ 13 9 CLK_A+
4OUT_C-
4CLK_A+ S0V14 8S0V
3OUT_C+
5 SIN_A- SIN_A- 15 7 SIN_A-
CN9 USB HOST(Pict Bridge)
2OUT_D-
6 SIN_A+ SIN_A+ 16 6 SIN_A+
FG 6
1OUT_D+
7 FIRE_A- S0V 17 5 S0V
FG 5
8FIRE_A+ FIRE_A-18 4 FIRE_A-
GND 4
9THM FIRE_A+19 3 FIRE_A+
+DATA 3
10 VSS1_A S0V 20 2 S0V
-DATA 2
CN21 FB-MOTOR
11 VTEMP_A CR_THMOUT 21 1 CR_T HM
VCC 1
4OUT_F-
12 VDD1
3OUT_F+
13 VTEMP_B
2OUT_E-
14 VSS1_B
CN12 HEAD2
CN22 USB FUNCTION
1OUT_E+
15 CLK_B-
MEDIA_CNT 1 9 MEDIA_CNT
(Device)
16 CLK_B+
VSS2 2 8 VSS2
FG 6
17 SIN_B-
VSS2 3 7 VSS2
FG 5
18 SIN_B+
VSS2 4 6 VSS2
GND 4
19 FIRE_B-
VSS2 5 5 VSS2
DP 3
20 FIRE_B+
VSS2 6 4 VSS2
DN 2
21 VDD2
VSS2 7 3 VSS2
PC5V 1
CN4 PURGE CAM
22 VSS2
VSS1 8 2 VSS1
Power 3
33.3V
MEDIA 9 1 MEDIA
S0V 2
2GND
SEN 1
1SEN_CAM
CN8 MEDIA
CN11 HEAD3
FG 24
VDD1(3.3V) 1 8 VDD1
FG 23
VDD2(HVDD) 2 7 VDD2
SD_WP 22
VDD2(HVDD) 3 6 VDD2
SD_COM 21
VDD2(HVDD) 4 5 VDD2
SD_CD 20
VDD2(HVDD) 5 4 VDD2
SD_DAT1 19
SLP3.3V 6 3 SLP3.3V
SD_DAT0 18
CN3 RESIST/
CHUTE COVER
ENC1 7 2 CR_ENC1
SD_VSS 17
3.3V 3 3 3.3V
ENC2 8 1 CR_ENC2
MS_VSS 16
GND 22GND
MS_BS 15
SEN_RESI 11
SEN_RESI
SD_CLK 14
MS_DATA1 13
MS_DATA0 12
SD_VDD 11
MS_DATA2 10
CN7 CTG SEN
CN5 MAIN CN1 REFILL SENSOR
SD_VSS 9
THM 1 1 THM
CTG_THM 1 16 CTG_THM
MS_INS 8
CN23 IN K ABSORBER
FORM FULL
YCTG 2 2 YCTG
CTG_Y 2 15 CTG_Y
MS_DATA3 7
22FORM_CNT_N
KCTG 3 3 KCTG
CTG_K 3 14 CTG_K
SD_CMD 6
11FORM_CNT_P
LEDPWR_CTG 4 4 LEDPWR_CTG
LEDPWR 4 13 LEDPWR
MS_CLK 5
S0V 5 5 S0V
CTG_C 5 12 CTG_C
MS_VCC 4
CCTG 6 6 CCTG
CTG_M 6 11 CTG_M
SD_DAT3 3
MCTG 7 7
MCT
EMP_C 7 10 EMP_C
MS_VSS 2
LEDCNT_C TG 8 8 LEDCNT_CTG
EMP_M 8 9 EMP_M
SD_DAT2 1
EMP_Y 9 8 EMP_Y
CN5 FRONT(INK)
COVER
EMP_K 10 7 EMP_K
2 F_COVER
DO 11 6 Rx
1S0V
DI_Y 12 5 Tx_Y
CN10 WLAN
CN6 EMP SEN
DI_K 13 4 Tx_K
SDIO_DATA2 8 8 SDIO_DATA2
CEMP 1 6 CEMP
DI_C 14 3 Tx_ C
SDIO_CMD 7 7 SDIO_CMD
S0V 2 5 S0V
DI_M 15 2 Tx_M
SDIO_DATA3 6 6 SDIO_DATA3
MEMP 3 4
MEM
S0V 16 1 S0V
SDIO_CLK 5 5 SDIO_CLK
LEDPWR_EMP 4 3 LEDPWR_EMP
SDIO_DATA0 4 4 SDIO_DATA0
YEMP 5 2 YE MP
SDIO_DATA1 3 3 SDIO_DATA1
KEMP 6 1 KEMP
GND 2 2 GND
+3.3V 1 1 +3.3V
CN19 CIS (FB)
Red_LED 16 16 Red_LED
Green_LED 15 15 Green_LED
CN1 BLACK INK
Blue_LED 14 14 Blue_LED
DI_K 1 1 DI_K
+5V 13 13 +5V
DO 2 2 DO
CIS_CLK 12 12 CIS_CLK
S0V 3 3 S0V
CIS_TG 11 11 CIS_TG
CN2 MODEM/SDAA/MJ
CIS_Vref 10 10 CIS_Vref
CN2 YELLOW INK
+3.3V 12
12 +3.3V
R3.3V 9 9 R3.3V
DI_Y 1 1 DI _Y
+31V 11
11
+31V
R0V 8 8 R0V
DO 2 2 DO
CHRG 10
10 CHR G(US䋺GND)
Ta 2
CIS_MODE 7 7 CIS_MODE
S0V 3 3 S0V
MDM_RSTN 9
9 RESETn
La 3
R0V 6 6
R0V/Aout0(1200/1 ch)
CI 8
8 Rin
Lb 4
Aout0 5 5 Aout0
CN3 CYAN INK
MDM_INT 7
7
IRQ
Tb 5
R0V 4 4 R0V
DI_C 1 1 DI_C
SPI_CLK 6
6 SCK
FG(NC) 7
Aout1 3 3 Aout1
DO 2 2 DO
GND 5
5 GND
FG(NC) 8
R0V 2 2 R0V
S0V 3 3 S0V
SPI_DO 4
4 SD O
Aout2 1 1 Aout2
MODEMCS_N 3
3 CSn
CN4 MAGENTA INK
SPOUT 2
2 MDM_MONITOR( SDAA_PWM)
DI_M 1 1 DI_M
SPI_DI 1
1 SD I
Ta 2
DO 2 2 DO
Tb 3
S0V 3 3 S0V
FG(NC) 7
FG(NC) 8
CN20 CIS
(ADF, FB:1200/3ch )
Red_LED_BS 16 16 Red_LED_BS
CN14 PO WER
Green_LED_BS 15 15 Green_LED_BS
GND 1 6 P0V
Blue_LED_BS 14 14 Blue_LED_BS
GND 2 5 P0V
CN4 SP
+5V 13 13 +5V
PSDOWN 3 4 PSDOWN
VOUT2 2
CIS_CLK2 12 12 CIS_CLK2
PSOFF 4 3 PSOFF
VOUT1 1
R0V 11 11 R0V
+31V 5 2 +31V
CIS_TG_BS 10 10 CIS_TG_BS
+31V 6 1 +31V
R0V 9 9 R0V
CIS_Vref 8 8 CIS_Vref
R3.3V 7 7 R3.3V
R0V 6 6 R0V
Aout0_BS 5 5 Aout0_BS
R0V 4 4 R0V
Aout1_BS 3 3 Aout1_BS
R0V 2 2 R0V
Aout2_BS 1 1 Aout2_BS
Wireless LAN PCB
Second side CIS Unit
Modem PCB
First side CIS Unit
Ink Empty Sensor
PCB
Registration Sensor
PCB
Media
LINE
EXT
Carriage Motor
ADF MOTOR
USB Host(P ict Bridge)
Scanner MOTOR
Purge Cam Sensor
PCB
Main PCB
Main PCB
LAN
Paper Feed Motor
Carriage PCB ASSY
Certification Chip PCB
Black
Head
Ink Cartridge
PCB
Yellow
Cyan
Magenta
Powe Supply PCB
Ink Absorber Full
sensor PCB
Ink Cartridge Cover
Sensor
USB Function (Device)
Cartridge Sensor
Cartridge Sensor
Cartridge Sensor
Cartridge Sensor
Speaker
CN1 PANEL
+31V(LED_A) 50
BOARD_ID 49
LED_PWM(LED_C) 48
TOUCH_AD0 47
TOUCH_OUT1 46
TOUCH_AD1 45
TOUCH_OUT3 44
TOUCH_OUT2 43
TOUCH_OUT0 42
NFC_LED 41
ONOFF_KEY 40
S0V 39
HOST_WAKE 38
VSYNC 37
I2C_SCL 36
TOUCH_CAL1 35
I2C_SDA 34
NFC_WAKE 33
3.3V(NFC) 32
+5V(LED_POWER) 31
INTERRUPT
30
S0V 29
LCD_RD 28
TOUCH_CAL0 27
LCD_WR 26
S0V 25
LCD_RS 24
S0V 23
LCD_CS 22
S0V 21
LCD_RESET
20
S0V 19
+3.3V 18
FMARK
17
S0V 16
D10 15
S0V 14
D11 13
S0V 12
D12 11
S0V 10
D13 9
S0V 8
D14 7
S0V 6
D15 5
S0V 4
D16 3
S0V 2
D17 1
CN4
50 +31V(LED_A)
CN3
49 BOARD_ID
VCOM 41 41 VCOM
48 LED_PWM(LED_C)
VLED- 40 40 VLED-
47 TOUCH_AD0
VLED+ 39 39 VLED+
46 TOUCH_OUT1
VCAC 38 38 VCAC
45 TOUCH_AD1
COMDC 37 37 COMDC
44 TOUCH_OUT3
FRP 36 36 FRP
43 TOUCH_OUT2
AGND 35 35 AGND
42 TOUCH_OUT0
VGL 34 34 VGL
41 NC(Connect C)
VGH 33 33 VGH
40 ONOFF_KEY
D8 32 32 D8
39 NC(Connect C)
D7 31 31 D7
38 NC(Connect C)
VDD5 30 30 VDD5
37 VSYNC
VDD3 29 29 VDD3
36 I2C_SCL
V6 28 28 V6
35 TOUCH_CAL1
V5 27 27 V5
34 I2C_SDA
VDD2 26 26 VDD2
33 NC(Connect C)
V4 25 25 V4
32 +3.3V
V3 24 24 V3
31 +5V(LED_POWER)
V2 23 23 V2
30 INTERRUPT
V1 22 22 V1
29 S0V
DVDD 21 21 DVDD
28 DCLK
VDDIO 20 20 VDDIO
27 TOUCH_CAL0
VDD 19 19 VDD
26 HSYNC
VDD 18 18 VDD
25 S0V
GND 17 17 GND
24 TFT_SCL
D0 16 16 D0
23 S0V
D1 15 15 D1
22 TFT_CS
D2 14 14 D2
21 S0V
D3 13 13 D3
20 LCD_RESET
D4 12 12 D4
19 S0V
D5 11 11 D5
18 +3.3V
D6 10 10 D6
17 TFT_SDA
D7 9 9 D7
16 S0V
DCLK 8 8 DCLK
15 D10
VSYNC7 7VSYNC
14 S0V
HSYNC 6 6 HSYNC
13 D11
SCL 5 5 SCL
12 S0V
SDA 4 4 SDA
11 D12
CS 3 3 CS
10 S0V
GRB 2 2 GRB
9D13
VCOM 1 1 VCOM
8S0V
7D14
6S0V
5D15
CN1
4S0V
X-(Ꮐ)4 4X-
3D16
Y-()3 3Y-
2S0V
X+(ฝ
)2 2X+
1D17
Y+()1 1Y+
CN5
GND
66
GND
I2C_SDA
55
I2C_SDA
I2C_SCL
44
I2C_SCL
+3.3V
33
+3.3V
22
INTERRUPT
11
+5V
CN2
S0V 2 4 S0V
ONOFF_KEY 1 3 ONOFF_KEY
S0V 2 2 S0V
S0V 1 1 S0V
LCD
Power switch PCB
Panel PCB
Touch Panel
LCD PCB
CN1 PANEL CN3
+31V(LED_A) 50 50 +31V(LED_A)
CN2
S0V 49 49 S0V
LED- 21 21 LED-
LED_PWM(LED_C) 48 48 LED_PWM(LED_C)
LED+ 20 20 LED+
TOUCH_AD0 47 47 TOUCH_AD0
RD 19 19 RD
TOUCH_OUT1 46 46 T OUCH_OUT1
WR 18 18 WR
TOUCH_AD1 45 45 TOUCH_AD1
GND 17 17 GND
TOUCH_OUT3 44 44 T OUCH_OUT3
RS 16 16 RS
TOUCH_OUT2 43 43 T OUCH_OUT2
CS 15 15 CS
TOUCH_OUT0 42 42 T OUCH_OUT0
RESET 14 14 RESET
NFC_LED 41 41 NFC_LED
GND 13 13 GND
ONOFF_KEY 40 40 ONOFF_KEY
VCC 12 12 VCC
REG_PU 39 39 REG_PU
IOVCC 11 11 IOVCC
HOST_WAKE 38 38 HOST_WAKE
FMARK 10 10 FMARK
S0V 37 37 S0V
GND 9 9 GND
I2C_SCL 36 36 I2C_SCL
D10 8 8 D10
TOUCH_CAL1 35 35 TOUCH_CAL1
D11 7 7 D11
I2C_SDA 34 34 I2C_SDA
D12 6 6 D12
NFC_WAKE 33 33 NFC_WAKE
D13 5 5 D13
3.3V(NFC) 32 32 3.3V(NFC)
D14 4 4 D14
+5V(LED_POWER) 31 31 +5V(LED_POWER)
D15 3 3 D15
INTERRUPT
30 30 INTERRUPT
D16 2 2 D16
S0V 29 29 S0V
D17 1 1 D17
S0V 28 28 S0V
TOUCH_CAL0 27 27 TOUCH_CAL0
LCD_WR 26 26 LCD_WR
CN6
S0V 25 25 S0V
Y+()4 4Y+
LCD_RS 24 24 LCD_RS
X-(ฝ)3 3X-
S0V 23 23 S0V
Y-()2 2Y-
LCD_CS 22 22 LCD_CS
X+(Ꮐ)1 1X+
S0V 21 21 S0V
LCD_RESET
20 20 LCD_RESET
S0V 19 19 S0V
+3.3V 1 8 18 +3.3V
FMARK
17 17 FMARK
CN1
S0V 16 16 S0V
+5V 66
D10 15 15 D10
INTERRUPT 5 5
S0V 14 14 S0V
+3.3V 44
ISC_SCL
D11 13 13 D11
33
S0V 12 12 S0V
I2C_SDA 2 2 INTERRUPT
D12 11 11 D12
GND 1 1
S0V 10 10 S0V
D13 9 9 D13
S0V 8 8 S0V
D14 7 7 D14
S0V 6 6 S0V
D15 5 5 D15
S0V 4 4 S0V
CN5
D16 3 3 D16
+5V
44
+5V
S0V 2 2 S0V
ONOFF_KEY
33
ONOFF_KEY
D17 1 1 D17
S0V
22
S0V
NFC_LED
11
NFC_LED
LCD
Power Switch PCB
LCD PCB
Touch Panel
Panel PCB
CN4
VDDIO 8 8 VDDIO
nfc_wake 7 7 nfc_wake
SDA 6 6 SDA
GND 5 5 GND
SCL 4 4 SCL
GND 3 3 GND
host_wake 2 2 host_wake
REG_PU 1 1 REG_PU
NFC PCB
3.7inch LCD Model
2.7inch LCD Model
CN28 SENSOR_RELAY CN10 CN8 PF ENCO DER
SEN_MP 1 1 SEN_MP PF_ENC2 4 4 PF_ENC2
SEN_TRAY 2 2 SEN_TRAY SLP3.3 3 3 SLP3.3
DOC/ADF_COVER 3 3 DOC/ADF_COVER S0V 2 2 S0V
PC_HABA/REARB 4 4 PC_HABA/REARB PF_ENC1 1 1 PF_ENC1
FSEN 5 5 FSEN
RSEN 6 6 RSEN
FB_CO VER 7 7 FB _COVER
GND 8 8 GND
CN9 SB
PF_ENC1 9 9 PF_ENC1
SEN3.3 3
3SEN3.3
SLP3.3V 10 10 SEN3.3V
S0V 2
2S0V
PF_ENC2 11 11 PF_ENC2
SEN_SB 1
1SEN_SB
SEN_SB 12 12 SEN_SB
CN2 FSEN
SEN3.3 3
3SEN3.3
S0V 2
2S0V
FSEN 1
1FSEN
CN1 RSEN
SEN3.3 3
3SEN3.3
S0V 2
2S0V
RSEN 1
1RSEN
Document Detection
Sensor PCB
First Side
Document Scanning
Position Sensor PCB
Sensor Relay PCB
Switch Back Sensor
PF Encoder Sensor
CN3 PC_H ABA/REAR_B
SEN3.3 3
3SEN3.3
S0V 2
2S0V
PC_HABA/REAR_B 1
1PC_HABA
CN7 MP
SEN3.3 3
3SEN3.3
S0V 2 2 S0V
SEN_MP 1 1 SEN_MP
CN6 ADF COVER
ADF_COVER 1 1 ADF_COVER
S0V 2 2 S0V
CN4 LT TRAY
SEN_TRAY 1 1 SEN_TRAY
S0V 2 2 S0V
MP Paper Detection Sensor
ADF Cover Sensor
Lower Tray Sensor
Second Side Document
Scanning Position Sensor
PCB
ISC_SCL
+5V
GND
INTERRUPT
+3.3V
INTERRUPT
+5V

Brother MFC-J2320 Specifications

General

Brand	Brother
Model	MFC-J2320
Category	All in One Printer
Language	English