Brother DCP-J552DW Service Manual page 316

Wiring diagrams

CARTRIDGE
PCB ASSY
INK EMPTY
PCB ASSY
CN2
FG10 10
M M ain PCB FG9 9
RD- 8
RD+ 7
NC6 6
NC5 5
CN7
NC4 4
VTEMP 1 21 VTEMP
CT 3
CARRIAGE PCB ASSY
S0V 2 20 S0V
TD- 2
FIRE_B+ 3 19 FIRE_B+
TD+ 1
FIRE_B- 4 18 FIRE_B-
S0V 5 17 S0V
CN32
SIN_B+ 6 16 SIN_B+ FG
6
SIN_B- 7 15 SIN_B- FG 5
S0V 8 14 S0V GND 4
CLK_B+ 9 13 CLK_B+ +DATA 3
Head CLK_B- 10 12 CLK_B- -DATA 2
1 VSS2_A S0V 11 11 S0V VCC 1
2 VDD2_A CLK_A- 12 10 CLK_A-
3 VDD1_A CLK_A+ 13 9 CLK_A+ CN1
FG 6
4 VSS1_A S0V 14 8 S0V
FG 5
5 CLK_A- SIN_A- 15 7 SIN_A-
GND 4
6 CLK_A+ SIN_A+ 16 6 SIN_A+
DP 3
7 SIN_A- S0V 17 5 S0V
DN 2
8 SIN_A+ FIRE_A- 18 4 FIRE_A-
PC5V 1
9 FIRE_A- FIRE_A+ 19 3 FIRE_A+
10 FIRE_A+ S0V 20 2 S0V
CN21
11 VTEMP_B CR_THM 21 1 CR_THM
FG 24
12 CLK_B-
FG 23
13 CLK_B+
SD_WP 22
14 SIN_B- CN5
SD_COM 21
15 SIN_B+ MEDIA 8 8 MEDIA
SD_CD 20
16 FIRE_B- VSS1 7 7 VSS1
SD_DAT1 19
17 FIRE_B+ VSS2 6 6 VSS2
SD_DAT0 18
18 THM VSS2 5 5 VSS2
SD_VSS 17
19 VSS1_B VSS2 4 4 VSS2
MS_VSS 16
20 VDD1_B VSS2 3 3 VSS2
MS_BS 15
21 VDD2_B VSS2 2 2 VSS2
SD_CLK 14
22 VSS2_B MEDIA_CNT 1 1 MEDIA_CNT
MS_DATA1 13
MS_DATA0 12
SD_VDD 11
CN3
MS_DATA2 10
VDD1 1 7 VDD1
SD_VSS 9
VDD2 2 6 VDD2
MS_INS 8
VDD2 3 5 VDD2
MS_DATA3 7
VDD2 4 4 VDD2
SD_CMD 6
SLP3.3V 5 3 SLP3.3V
MS_CLK 5
ENC1 6 2 ENC1
MS_VCC 4
ENC2 7 1 ENC2
SD_DAT3 3
MS_VSS 2
SD_DAT2 1
REFILL PCB ASSY
IC PCB CN31
CN4
WLAN_CMD 8
LEDCNT_CTG 8 LEDCNT_CTG CTG_THM 1 16 CTG_THM
WLAN_D2 7
MCTG 7 MCTG CTG_Y 2 15 CTG_Y
WLAN_CLK 6
CCTG 6 6 CCTG CTG_K 3 14 CTG_K
WLAN_D3 5
S0V 5 S0V LEDPWR 13 LEDPWR
WLAN_D1 4
LEDPWR_CTG 4 LEDPWR_CTG CTG_C 5 12 CTG_C
WLAN_D0 3
KCTG 3 3 KCTG CTG_M 11 CTG_M
+3.3V 2
YCTG 2 2 YCTG EMP_K 7 10 EMP_K
S0V 1
THM 1 1 THM EMP_Y 9 EMP_Y
EMP_M 9 8 EMP_M
EMP_C 7 EMP_C
CN34
S0V 11 6 Rx
+3.3V 15
DI_Y 5 Tx_Y
CSN 14
DI_K 13 4 Tx_K
SDI 13
CEMP 1 6 CEMP DI_C 3 Tx_C
SDO 12
S0V 2 5 DI_M 15 2 Tx_M
SCL 11
MEMP 3 4 DO 1 S0V
IRQ 10
LEDPWR_EMP 3 LEDPWR_EMP
Rin 9
YEMP 2 YEMP
GND 8
KEMP 1 KEMP
RESETn 7
SPOUT 6
CN26
+31V 5
GND 1
6 P0V
POWER SUPPLY CHRG/RX+ 4
GND 2
PCB ASSY 5 P0V
TELOFF/AGND 3
PSDOWN 3
4 PSDOWN
NC 2
PSOFF 4
3 PSOFF TX+ 1
+31V 5
2 +31V
+31V 6
1 +31V CN14
RXD 18
CTS 17
SPOUTPD 16
CN33 5V 15
V C C 1 8 V C C 5 V 1 4
NFC PCB
N F C _ W A K E 2 7 N F C _ W A K E I C 1 3
S D A 3 6 S D A L O U T 0 D 1 2
G N D 4 5 G N D I L N 0 D 1 1
S C L 5 4 S C L M 0 V 1 0
GND 6 3 GND HSSPOUTP 9
HOST_WAKE 7 2 HOST_WAKE HSMIND 8
REG_PU 8 1 REG_PU HSMIPD 7
S0V 6
S0V 5
RING2 4
CN17 RST 3
2 V O U T 2 R T S 2
SPEAKER
1 V O U T 1 T X D 1
LAN
USB HOST
USB FUNCTION
CN19
M M ain PCB
ENC2 7
SEN3.3V 6
S0V 5
CN22
ENC1 4
DOCUMENT
3 VDD
MEDIA
DETECTION
2 GND
SENSOR PCB
1 RSEN
ASSY LED_PWR 3
S0V 2
CN27
SEN_RESI 1
DOCUMENT
3 VDD
SCANNING POSITION
2 GND CN20
SENSOR PCB
ASSY 1 FSEN
FB 2
S0V 1
CN25
2 PF_M -
PF MOTOR
1 PF_M +
CN24
2 ASF_M -
1 ASF_M +
CN13
ASF MOTOR
4 ASF_GND CN16
3 ASF_A TOUCH_AD1 50
2 ASF_VCC LED9 49
1 ASF_B LED8 48
LED10 47
CN23 TOUCH_AD0 46
2 CR_M- GND 45
CR MOTOR
1 CR_M+ TOUCH_CAL1 44
8 SDIO_DATA2
TOUCH_CAL0 43
7 SDIO_CMD
TOUCH_OUT3 42
CN29
6 SDIO_DATA3
4 OUT_B+ TOUCH_OUT2 41
5 SDIO_CLK
3 OUT_B- TOUCH_OUT1 40
4 SDIO_DATA0 FB MOTOR
2 OUT_A- TOUCH_OUT0 39
3 SDIO_DATA1
1 OUT_A+ GND 38
2 +3.3V WIRELESS LAN
INTERRUPT 37
PCB ASSY
1 GND
CN28
+5V 36
4 OUT_A+
I2C_SCL 35
3 OUT_A-
I2C_SDA 34
ADF MOTOR
2 OUT_B-
GND 33
11 +3.3V
1 OUT_B+
TFT_SDA 32
10 CSN
TFT_RESET 31
9 SPI_DI
CN10
GND 30
8 SPI_DO
2 CAM
CAM GEAR SENSOR TFT_DCLK 29
7 SPI_CLK
1 S0V
GND 28
6 IRQ
TFT_HSYNC 27
5 Rin
CN9 CD_DVD_SEN GND 26
4 GND
DS TRAY SENSOR 2 CD_DVD_SEN TFT_CS 25
3 RESETn
1 S0V GND 24
2 SPOUT
TFT_SCL 23
1 +31V
CN8 GND 22
INK CARTRIDGE 2 F_COVER TFT_VSYNC 21
MODEM PCB ASSY
COVER SENSOR
1 S0V GND 20
TFT_D10 19
CN12 GND 18
3 LED_PWR TFT_D11 17
PAPER FEED ROLLER
SENSOR PCB ASSY 2 S0V GND 16
1 RXD
BASE PCB ASSY
1 SEN_P_ROL TFT_D12 15
2 CTS DCL
GND 14
3 RST
CN18
TFT_D13 13
4 RING2
12 R0V
CIS GND 12
5 S0V
11 Red_LED
TFT_D14 11
6 S0V
10 Green_LED
GND 10
7 HSMIP
9 Blue_LED
TFT_D15 9
8 HSMIN
8 LED_Anode
GND 8
9 HSSPOUT
7 CIS_CLK
TFT_D16 7
10 M0V
6 CIS_TG
GND 6
11 LIN0D
5 CIS_Vref
TFT_D17 5
12 LOUT0D
4 R3.3V
ONOFF_KEY 4
13 CI
3 R0V
LED- 3
14 5V
2 CIS_MODE
+3.3V 2
15 5V
1 Vout
+31V 1
16 SPOUTP
1 7 RTS
1 8 TXD
6-5
4 ENC2
PF ENCODER
3 SLP3.3V PCB ASSY
2 S0V
1 ENC1
3 LED_PWR REGISTRATION
SENSOR PCB
2 S0V
ASSY
1 RESI
DOCUMENT SCANNER SENSOR
VCOM 41
LCD
LCD PCB ASSY VLED- 40
VLED+ 39
VCAC 38
COMDC 37
FRP 36
AGND 35
VGL 34
50 TOUCH_AD1
VGH 33
49 LED9
V8 32
48 LED8
V7 31
47 LED10
NC 30
46 TOUCH_AD0
NC 29
45 GND
V6 28
44 TOUCH_CAL1
V5 27
43 TOUCH_CAL0
VDD2 26
42 TOUCH_OUT3
V4 25
41 TOUCH_OUT2
V3 24
40 TOUCH_OUT1
V2 23
39 TOUCH_OUT0
V1 22
38 GND
DVDD 21
37 INTERRUPT
DVDDIO 20
36 +5V
VDD 19
35 I2C_SCL
VDD 18
34 I2C_SDA
GND 17
33 GND
D0 16
32 TFT_SDA
D1 15
31 TFT_RESET
D2 14
30 GND
D3 13
29 TFT_DCLK
D4 12
28 GND
D5 11
27 TFT_HSYNC
D6 10
26 GND
D7 9
25 TFT_CS
DCLK 8
24 GND
VSYNC 7
23 TFT_SCL
HSYNC 6
22 GND
SCL 5
21 TFT_VSYNC
SDA 4
20 GND
CS 3
19 TFT_D10
GRB 2
18 GND
VCOM 1
17 TFT_D11
16 GND
15 TFT_D12 Y+ 1
TOUCH PANEL
14 GND X+ 2 MODULE
13 TFT_D13 Y- 3
12 GND X- 4
11 TFT_D14
10 GND
LED9 11
9D15
S0V 10 PANEL PCB ASSY
8 ND
7 TFT_D16 LED8 9
6 GND +31V 8
5 TFT_D17 I2C_SCL 7
4 ONOFF_KEY GND 6
3 LED- ONOFF_KEY 5
2 +3.3V INTERRUPT 4
1 +31V +3.3V 3
+5V 2
I2C_SDA 1
Confidential