Chapter 6 Wiring Diagram; Wiring Diagram - Brother DCP-7090 Service Manual

CHAPTER 6 WIRING DIAGRAM

1. WIRING DIAGRAM

Duplex scan model only
LEDA 1
LEDB 2
LEDR 3
LEDG 4
CLK 5
Vcc 6
SP 7
DET 8
GND 9
Vout 10
LEDA 1
LEDB 2
LEDR 3
LEDG 4
CLK 5
Vcc 6
SP 7
DET 8
GND 9
Vout 10
Document detection
Sensor
ADF cover Sensor
SEN_FRONT 1
SGND 2
LED_VCC5 3
SEN_REAR 1
SGND 2
LED_VCC 3
Document scanning
position senor
Hand set model only Hand set model
HOOK
HOOK 1
SGND 2
Fax model only
La DAA MOSI 1
V34 MODEM
Lb TELOFF 2
LINE
FG GND 3
FG 28.224MH z CSn 4
Rin
5
RESETn
6
+24V
Ta IRQ
EXT 7
Tb GND
8
SCK
9
GND
10
Handset model only
MODEM
MISO
11
TELSL1 +24V
12
TELRL Codec MDM_MONITOR
13
H/S
SGND GND
14
TELSL2 +3.3V
15
MAIN FG SPEAKER
LVPS FG
GND
+3.3V
SDIO_DATA0
SDIO_DATA1
Wireless SDIO_DATA3
SDIO_CLK
LAN PCB
SDIO_DATA2
SDIO_CMD
USB
Function
10/100 baseEthernet
Back cover/
duplex tray sensor EJECT Sensor
1 DX_SEN
2 GND
+3.3V_E 8
1 +3.3V_E THM_FU_E 7
2 THM_EDGE +3.3V_C 6
Side thermistor THM_FU_C 5
DX_SEN 4
EJECT_SEN 3
1 +3.3V_C GND 2
2 THM_CENTER LED_VCC 1
EJECT
Center thermistor
MP MODEL only MP
Halogen-Heater
Halogen-Heater
N2
N1
Thermostat
L
Relay Connector
Low-voltage power supply PCB
L 1
N1 3
N2 5
zero cross
detecting
circuit
24V 1
P0V 2
24V_M 3
S0V 4
DSLEEP 5
AC/DC
powerIC
HEAT_ON 6
RL_DRIVE 7
OFF_MODE 8
AC direct AC_DIRECT_VDD 9
input circuit
L1 AC_ZEROCROSS 10
INLET HEAT_ON_2 11
L1 L1
FG FG
N N
N
Main PCB
● RMOT1
+3.3V
EN RMOT2
1 LED_Anode PDN RMOT3
2 B_LED CONT_B RMOT4
CISLEDB
3 R_LED CONT_R RMPT2
CISLEDR
4 G_LED CONT_G CISLEDG ● RMOTSEL
5 CLK CISCLK
6 VCC(R3.4V)
7 TG CISTG
8 DET CISMODE FBMOT_STEP
9 GND
10 AO HAIN1
REG.
R3.4V +3.3V
Vout Vin +5V
EN REFH ● RMPT1
LED_+3.3V_FB
HVCOM_EXT
Single scan model only
HVREFP
HVREFM
HVCOM
A0V
AVDD3 HAVDD
+3.3V
A0V
EN HAVSS
1 LED_Anode PDN
2 B_LED CONT_B
CISLEDB
3 R_LED CONT_R CISLEDR
4 G_LED CONT_G CISLEDG PNL_TCLK_P
5 CLK CISCLK PNL_TCLK_N
6 VCC(R3.4V)
7 TG CISTG PNL_TX1_P
CIS_TG
8 DET CISMODE PNL_TX1_N
CIS_MODE
9 GND
10 AO HAIN0 PNL_TX0_P
PNL_TX0_N
R3.4V REG.
Vout Vin +5V
LED_+3.3V_FB
EN PNL_RST
PNL_RXD
PNL_TXD
SEN_STUCK EESCL1
RSEN2 EESDA1
NFC_HWAKE
NFC_REGPU
1 SEN_ADFCOVER SEN_ADFCOVER
2 SGND
3 SEN_FRONT FSEN
4 SGND +5V
5 LED_VCC5 VDD_FCS_CTRL
6 SEN_REAR RSEN
+3.3V
7 SGND
8 LED_VCC LED_+3.3V_FB VDD_RHS_CTRL
FSEN
VDD_FCS
NC
EXRST0N PNL_RST
NC
EXINT2N
NC
USBH_OCN PNL_TXD
NC
USBH_PWR_ON PNL_RXD
1 HOOK MDM_HOOK
HYPNOS
2 SGND
PNL_TE
NFC_WAKE
1 MOSI MDM_SPIDOUT
2 TELOFF MDM_TELOFF
3 GND MDM_GIJI
4 CSn MDM_SPICS_N
Rin
5
RESETn
6 MDM_RST_N
IRQ
7 MDM_INT_N
GND
8
SCK
9 MDM_SPI_CLK
GND
10
MISO
11 MDM_SPI_DIN
+24V
12
+24V
SPIDIN
13
GND
14 MDM_RING
+3.3V
15
+3.3V MDM_SPON
VO1
2
VO2
1
Speaker AMP
SPI0_CS1N
SPI0_D[3:0]
SPI0_CLK
SPI0_CS0N
Serial FLASH Serial FLASH
+1.5V/
(ROM1) (ROM0) +1.8V
VREF
DDR_VREF0
+3.3V +3.3V
DDR_WE_N
DATA[7:0]
DDR_A[14:0]
DDR_BA[2:0]
To SCL
DDR_CK_N
+3.3V
To SDA
EESCL0 DDR_CK
EEPROM
EESDA0 DDR_CKE0
DDR_ODT0
FET DDR_CS0_N
Vout Vin +3.3V DDR_RAS_N
1 GND EN WLAN_ON DDR_CAS_N
+3.3V
2 +3.3V DDR_DQS
3 SDIO_DATA0 SDIO0_DATA0 DDR_DQS_N
4 SDIO_DATA1 SDIO0_DATA1 DDR_DM
5 SDIO_DATA3 SDIO0_DATA3 DDR_RST
6 SDIO_CLK SDIO0_CLK DDR_ZQ0
7 SDIO_DATA2 SDIO0_DATA2 DDR_ZQ1
8 SDIO_CMD SDIO0_CMD
AIN0 NC
AIN1
ADCVDD +3.3V
ADCVSS SGND
+3.3V USB20_VDD331
FRONT_COVER_SEN
USB20_GND1
FCOVER
USB20_GND2
1 PC_+5V USB20_VBUS FANLOCK
2 DATA_M USB20_DM PNEW0
3 DATA_P USB20_DP REG_REAR
4 SGND USB20_RREF REG_FRONT
+3.3V USB20_AVDD FB_CHG
USB20_AVSS FB_GRID
PHY
FB_DEV
AVDD33 AVDD10OUT ● HVENABLE
+3.3V
DVDD33 DVDD10OUT FB_TRCCV
FB_TRCC
PHYRSTB PHY_RST
CKXTAL2 PHY_REFCLK ● HVPWMDEV
REF_CLK RMII_CLKIN ● HVPWMCHG
1 TX+ 1 MDI+[0] TXD[1:0] RMII_TXD[1:0] ● HVPWMTRCC
2 TX- 2 MDI-[0] TXEN RMII_TX_EN ● HVTRCV
3 RX+ 3 ● HVSRBIAS
NC
4 - 4 RXD[1:0] RMII_RXD[1:0]
5 - 5 CRS_DV RMII_CRSDV TNR_LED0
6 RX- 6 RXER NC TB_NEW_SEN
7 - 7 MDI+[1] MDIO RMII_MDIO GRIDDC
8 - 8 MDI-[1] MDC RMII_MDC
INTB EXINT0N
RSET
E-PAD SEN_LED LED_+3.3V
REVIO0 NC
REVIO1 NC
VDODATA0_N
VDODATA0_P
VDODATA1_N
VDODATA1_P
VREF0
+24V
DCDC
●VENB
+5V
VCAL0
VCAL1
VBDN
EN
+3.3V
+24V +3.3V VDD
DCDC
MDREFCLK MDREFCLK
CLK
VDD33 MDCLK
MDIO DAT
● MDRSTN RST
MD_ALERT ALERT
● RLYOFF1N ENB
PNP
+3.3V
● SCANCTL PNM
DCDC
SCANFGS FGP
VDD1
+24V
VCCP
MNP
● MAINCTL MNM
MAINFGS FGM
+1.5V/
MAIN_HALL FGH
+3.3V
+1.8V
DCDC
VDD_DDR
+24V
VCCm
NC test1
NC test2
NC test3
REG5_out
+3.3V
8 +3.3V_E
7 THM_FU_E DX_SEN
+24V
6 +3.3V_C THM_EDGE VCCsol
+3.3V
5 THM_FU_C THM_CENTER VDD_ddc
4 DX_SEN
3 EJECT_SEN
2 GND LED_+3.3V
1 LED_VCC
● WCIS_SOL
EJECT
+3.3V
Vref
+3.3V
+3.3V MP_SEN
Vref HTLIMITN AIN11
AIN9
Motor DRIVER HTLIMIT
●BOX_SOL
● MP_SOL
MP MODEL only MP +1.1V PLLVDD
SGND PLLVSS
SXOUT
USB/System
24MHz
1 24V +24V
2 P0V
3 24V_M +24V _M
4 S0V
5 DSLEEP PAPER_QTY
6 HEAT_ON HEATERON0●
7 RL_DRIVE
HEATERON_1●
8 OFF_MODE PAPER_EDGE
RLYOFFN●
9 AC_DIRECT_VDD
10 AC_ZEROCROSS
POWER_ON● ●
11 HEAT_ON_2
HTLIMIT
HYPNOS
REVOUT1
VDD REVOUT0 ACZEROX
ZC_IN CPURST RSTICN
SCL From EESCL0
SDA To EESDA0
From POWER KEY(PANEL) OFFACT_IN0
OFFACT_IN1
OFFACT_IN2
REVOUT2 SEN7
debugSerial MPDS
Testmode TSTMODEN
TSTDATA
+3.3V
32.768kHz
SGND RTEST1
ADF model only
ADF motor
Touch panel model only
SLEEPn A 1 4 A
M
STEP An 2 3 An
DIR B 3 2 B
USM0 Bn 4 1 Bn
USM1
+24V
VREF
FG
ENBn
FB motor
STEP
DIR A 1 4 A
M
USM0 An 2 3 An
USM1 B 3 2 B
VREF Bn 4 1 Bn
ENBn
+24V
SLEEPn
FG
+3.3V VDD3 24
S0V 23
PNL_SERDES_CLKP 22
PNL_SERDES_CLKN 21
S0V 20
PNL_SERDES1_P 19
PNL_SERDES1_N 18
S0V 17
PNL_SERDES0_P 16
PNL_SERDES0_N 15
S0V 14
RST 13
MAIN_RXD 12
MAIN_TXD 11
S0V 10
PNL_I2C_SCL1 9
S0V 8
PNL_I2C_SDA1 7
HOST_WAKE 6
REG_PU 5
HYPNOS
POWER_ON 4
VDD5 3
+5V
S0V 2
+24V 24V 1
PANEL PCB(1byte LCD )
STRB 10
PNL11_SDIN 9 4 RESPONSE A0 9
+5V
5V 8 5 5V CSB 8
PNL11_SDOUT 7 6 COMMAND SCK 7
PNL11_PCLK 6 7 PNL_CLK SI 6
SGND 5 8 SGND VSS 5
ON/OFF Key 4 9 ON/OFF Key VDD 4
3.3V 3 10 3.3V Mode LED Key VG 3
+3.3V
Wifi_LED 2 11 Wifi_LED (y) Matrix V0 2
BackLight 1 12 Backlight XV0 1
SGND 10 3 SGND
SGND 11 2 SGND Backlight
SGND 12 1 SGND LED (5)
(WLAN) (POWER)
PANEL PCB(2byte LCD)
GND 12
SCL 11
4 PNL_RESET SDA 10
PNL_RST 9
+5V
5 5V /RES 9
5V 8
PNL_TXD 6 RXD A0 8
7
PNL_RXD 7 TXD /CS 7
6
8 SGND VSS 6
SGND 5
9 ON/OFF Key VDD 5
ON/OFF Key 4
+3.3V 10 3.3V Mode LED Key Matrix V0 4
3.3V 3
Wifi_LED 11 Wifi_LED (y) (x keys) XV0 3
2
12 Backlight VG 2
BackLight 1
3 SGND GND 1
SGND 10
2 SGND Backlight
SGND 11
1 SGND LED (5)
SGND 12
(POWER)
(WLAN)
+1.5V/
+1.8V
+1.5V/
+1.8V
VREF
Front cover sensor
+3.3V
3.3V 2
+3VI 1
High-voltage power supply PCB
+24V
Spring
24V 23 23 24V 100MΩ
Wire
FU_FAN_VCC 22 22 FU_FAN_VCC
LED_+3.3V
LED_VCC 21 21 LED_VCC
FU_FAN_SEN 20 20 FU_FAN_SEN
New toner sensor PCB
PNEW_SEN 19 19 PNEW_SEN
REG_R_SEN 18 18 REG_R_SEN GND 5 1 GND
REF_F_SEN 17 17 REF_F_SEN REG_R_SEN 4 2 REG_R_SEN
CHG
FB_CHG 16 16 FB_CHG REF_F_SEN 3 3 REF_F_SEN
FB_GRID 15 15 FB_GRID LED_VCC 2 4 LED_VCC
SR
FB_DEV 14 14 FB_DEV PNEW_SEN 1 5 PNEW_SEN
HV_ENABLE 13 13 HV_ENABLE
GRID
FB_TRCCV 12 12 FB_TRCCV
FB_TRCC 11 11 FB_TRCC TR
PGND 10 10 PGND
TB LED
PWM_DEV 9 9 PWM_DEV
DEV
PWM_CHG 8 8 PWM_CHG
PWM_TRCC 7 7 PWM_TRCC
Toner Box model only
PWM_TRCV 6 6 PWM_TRCV
TNR LED
SGND 5 5 SGND
+3.3V
3.3V 4 4 3.3V
+3.3V TB_LED 3 3 TB_LED FUSER_FAN_VCC 1
TNR_LED 2 2 TNR_LED PGND 2
GRIDC 1 1 GRIDC FUSER_FAN_SEN 3
+3.3
Laser scanner unit
LD
LD
+3VI 14 14 VDD3_INTLK LVD
GND 13 13 GND
VDO_DATA_N 12 12 VIDEO2_N
VDO_DATA_P 11 11 VIDEO2_P
GND 10 10 S0V
VDO_DATA_N 9 9 VIDEO1_N
VDO_DATA_P 8 8 VIDEO1_P
GND 7 7 S0V
LD_REF 6 6 LD_PWA_PWM
VR
ENABLE 5 5 LDD_ENA
SH1 4 4 SH1
SH2 3 3 SH2
VR
+3.3V +3.3V 2 2 VDD3 VCC
BDN 1 1 BD_N
BD_Sensor
+3.3V
FAN
Polygon Motor
MOTOR_FG 5 1 MOTOR_FG
V
W 4 2 W
U
V 3 3 V
U 2 4 U
W
CENTER_TAP 1 5 CENTER_TAP
OSCr Rs
HU+ 1 1 HU+
HU- 2 2 HU-
HV+ 3 3 HV+ Hall IC M
+3.3V
HV- 4 4 HV-
HW+ 5 5 HW+
HW- 6 6 HW-
+3.3V
SGND 7 7 SGND Hall IC
LED_+3.3V +3.3V 8 8 +3.3V
+24V_M U 9 9 U
U 10 10 U
U 11 11 U
V 12 12 V
V 13 13 V
+3.3V
V 14 14 V Hall IC
W 15 15 W
W 16 16 W
W 17 17 W
Rs
paper feed Motor
FG+ 18 18 FG+
FG- 19 19 FG-
+24V 2 Registration
CLUTCHn 1 clutches
REGI_SOL
T1_CL +24V 2
T1 clutches
DEV_CL SOLn 1
TONER BOX RELAY PCB
LED_+3.3V
(LED_VCC) 8 1 (LED_VCC)
MP_SEN 7 2 L-BOX_SEN
TNR_SEN 6 3 TONER_SENSOR
BOX_SEN 5 4 BOX_SEN
GND 4 5 GND
+24V
24V 3 6 24V
BOX/MP_SOL 2 7 BOX_SOL
DEV_CL 1 8 DEV_CL
MP RELAY PCB
1 LED_VCC
2 MP_SEN
3 GND
4
5 GND
6 24V
7 MP_SOL
8 DEV_CL
T1 paper empty/paper feed sensor
PAPER_QTY 1 4 PAPER_QTY
LED_+3.3V
LED_VCC 2 3 LED_VCC Paper feed sensor
GND 3 2 GND
PEDGE_SEN 4 1 PEDGE_SEN
6-1
Panel PCB
VCOM 41 1 VCOM
TFT_RST_N GRB 40 2 RESET
TFT_CS_N CS 39 3 CS
TFT_SDA
SDA 38 4 SDA
TFT_SCL
SCL 37 5 SCL
TFT_HSYNC_N
HSYNC 36 6 HSYNC
TFT_VSYNC_N
VSYNC 35 7 VSYNC
TFT_DCLK DCLK 34 8 DCLK
TFT_D7 D7 33 9 D7
TFT_D6 D6 32 10 D6
TFT_D5 D5 31 11 D5
TFT_D4 D4 30 12 D4
TFT_D3 D3 29 13 D3
+5V
LDO +1.2V TFT_D2 D2 28 14 D2
Selene
TFT_D1 D1 27 15 D1
Core
TFT_D0 D0 26 16 D0
TFT_LEDPWM GND 25 17 GND
NC 24 18 ID1/OPEN
+3.3V VDD 23 19 VDD
TCH_CTL0 ID2/PULL HIGH 22 20 ID2/PULL HIGH
TCH_CTL1 DVDD 21 21 DVDD
TCH_CTL2 V1 20 22 C1P
TCH_CTL3 V2 19 23 C1M
TCH_CAL0 V3 18 24 C2P
+3.3V
1 VDD3 TCH_CAL1 V4 17 25 C2M
2 S0V TCH_AD0 VDD2 16 26 VINT1
3 PNL_SERDES_CLKP LVDS_CLK_P TCH_AD1 V5 15 27 C3P
4 PNL_SERDES_CLKN LVDS_CLK_N V6 14 28 C3M
5 S0V VDD3 13 29 NC
6 PNL_SERDES1_P LVDS_DATA1_P PWM0 VDD5 12 30 NC
7 PNL_SERDES1_N LVDS_DATA2_N PWM1 V7 11 31 C4P
8 S0V PWM2 V8 10 32 C4M
9 PNL_SERDES0_P LVDS_DATA1_P PWM3 VGH 9 33 VGH
10 PNL_SERDES0_N LVDS_DATA0_N PWM4 VGL 8 34 VGL
11 S0V PWM5 AGND 7 35 AGND
12 RST RSTIC_N PWM6 FRP 6 36 FRP
13 MAIN_RXD TXD COMDC 5 37 COMDC
14 MAIN_TXD RXD VCAC 4 38 VCAC
+24V
15 S0V VLED+ 3 39 VLED+
16 PNL_I2C_SCL1 VLED- 2 40 VLED-
17 S0V VCOM 1 41 VCOM
+5V
18 PNL_I2C_SDA1
19 HOST_WAKE
20 REG_PU
21 POWER_ON
KEYOUT0 1 1 KEYOUT0
22 VDD5 +5V
KEYOUT1 2 2 KEYOUT1
23 S0V
KEYOUT2 3 3 KEYOUT2
+24V
24 24V
KEYOUT3 4 4 KEYOUT3
GND 5 5 GND
KEYIN0 6 6 KEYIN0
KEYIN1 7 7 KEYIN1
KEYIN2 8 8 KEYIN2
KEYIN3 9 9 KEYIN3
POWER SW LED 10 10 POWER SW LED
Y+ 11 11 Y+
X+ 12 12 X+
Y- 13 13 Y-
X- 14 14 X-
GND 15 15 GND
POWER_ON 16 16 POWER_ON
HOST_WAKE 5 1 HOST_WAKE
SCL 4 2 SCL
GND 3 3 GND
SDA 2 4 SDA
REG_PU 1 5 REG_PU
Chute GND plate
Registration Front/Rear
Sensor PCB
REGF REGR
GND 4 4 GND
PNEW SENSOR
REG_R_SEN 3 3 REG_R_SEN
LED_VCC 2 2 LED_VCC
Registration Front sensor
REF_F_SEN 1 1 REF_F_SEN Registration rear sensor
FAN
Toner Box model only
New toner box
Sensor PCB
BOX_SEN 2 2 BOX_SEN
GND 1 1 GND
New toner
Sensor PCB
TNR_SEN 2 1 TNR_SEN
GND 1 2 GND
+24V 2
Toner box clutch
SOLn 1
MPpaper empty
sensor PCB
LED_VCC 3 3 LED_VCC
MP_SEN 2 2 MP_SEN
GND 1 1 GND
MP SENSOR
+24V 2
MP clutches
CLUTCHn 1
PCB
Paper empty sensor
MP model only
LCD
(with backlight)
KEY PCB
Key Matrix
(4 x 4 keys)
(POWER)
Touch Panel
Y+ 4 4 Y+ Y+
X+ 3 3 X+ X+ X-
Y- 2 2 Y-
X- 1 1 X-
Y-
NFC model only
N FC M odule
Confidential