Chapter 6 Wiring Diagram - Brother DCP-7080 Service Manual

CHAPTER 6 WIRING DIAGRAM

1. WIRING DIAGRAM
Duplex scan models only
ADF cover/
document
detection sensor
Duplex scan models only
PCB
Second side
ADF_FRONT
document
scanning
position sensor
ADF_COVER
PCB
LED_3.3V
SEN_ADFCOVER ADF_REAR_B
SGND
LED_VCC5
SEN_FRONT
SEN_REAR
SGND
LED_VCC
First side
document scanning
position sensor PCB
HOOK
PCB
La GIJI
SSF336
Lb TELOFF
V34 MODEM
FG MDM_MONI
LINE
FG CSn
28.224MH z
RESETn
+24V
Ta IRQ
EXT
Tb SGND
SPICLK
SGND
SPIOUT
TELSL1 +3.3V
TELRL SPIDIN
H/S SGND SGND
TELSL2 +24V
MODEM PCB
SPEAKER
GND
+3.3V
SDIO_DATA0
SDIO_DATA1
Wireless
SDIO_DATA3
SDIO_CLK
LAN PCB
SDIO_DATA2
SDIO_CMD
10/100 baseEthernet
Back Cover/Duplex
detect Sensor
EJECT Sensor PCB
1 DX_SEN
2 GND
1 +3.3V_E THM_FU_E
NC 2
3 THM_EDGE THM_FU_C
EJECT_SEN
1 +3.3V_C
2 THM_CENTER
Eject sensor
Halogen-Heater N
L1
Thermostat
L1 OFF_MODE
INLET AC_DIRECT_VDD
L1
FG
N
N
Low Voltage Power Supply PCB
1 AO
2 MODE
R3.3V
3 RGND
Single scan
4 VCC(R3.3V)
model only
5 VREF
6 TG
7 CLK
8 LED_Anode EN
9 B_LED CONT_B
10 G_LED CONT_G
11 R_LED CONT_R
12 FG PDN
+3.3V
A0V
AVDD3
A0V
1 AO
2 MODE
REG.
R3.3V
3 RGND Vout Vin +5V
VCC(R3.3V)
4 EN
VREF
5
CIS_TG
TG
6
CLK
7
8 LED_Anode EN
9 B_LED CONT_B
10 G_LED CONT_G
11 R_LED CONT_R
12 FG +3.3V PDN
1 LED_3.3V LED_+3.3V_FB
SGND 2 SGND
3 SEN_ADF_REAR_B
1 SEN_ADFCOVER
2 SGND +5V
3 LED_VCC5
4 SEN_FRONT
5 SEN_REAR
LED_+3.3V_FB +3.3V
6 SGND
7 LED_VCC LED_+3.3V_FB
HOOK HOOK
SGND SGND
1 1 GIJI
2 2 TELOFF
3 3 MDM_MONI
4 4 CSn
Rin 5 5 Rin
6 6 RESETn
7 7 IRQ
8 8 SGND
9 9 SPICLK
10 10 SGND
11 11 SPIDOUT
12 12 +3.3V
13 13 SPIDIN
14 14 SGND
+24V
15 15 +24V
+3.3V
2 VO1
1 VO2
Speaker AMP
Serial FLASH Serial FLASH
(ROM1) (ROM0)
+3.3V +3.3V
FET
Vout Vin +3.3V
EN
1 GND
+3.3V
2 +3.3V
3 SDIO_DATA0
4 SDIO_DATA1
5 SDIO_DATA3
6 SDIO_CLK
7 SDIO_DATA2
8 SDIO_CMD
USB
1 PC_+5V
2 DATA_M
Function
3 DATA_P
4 SGND
+3.3V PHYRSTB
+1.1V MIICLK
1 TX+ 1 RXD[1:0]
2 TX- 2 PHY TX_CTL
RX+
3 3
-
4 4 TXD[1:0]
-
5 5 (CRS_DV)
RX-
6 6
-
7 7 MDIO
8 - 8 MDC
25MHz
INT
+3.3V_E 8 8 +3.3V_E
+3.3V
7 7 THM_FU_E
+3.3V_C 6 6 +3.3V_C
5 5 THM_FU_C
+3.3V
DX_SEN 4 4 DX_SEN
3 3 EJECT_SEN
+3.3V
Vref
GND 2 2 GND
LED_+3.3V
LED_VCC 1 1 LED_VCC
Vref
Fuser Unit
IC
+5V
+3.3V
+24V
DCDC
L1 +3.3V
NC
N
24V_M 9 9 24V_M
P0V 8 8 P0V
24V 7 7 24V
S0V 6 6 S0V
DSLEEP 5 5 DSLEEP
HEAT_ON 4 4 HEAT_ON
RL_DRIVE 3 3 RL_DRIVE
2 2 OFF_MODE HYPNOS
1 1 AC_DIRECT_VDD REVOUT1
100V=8pin
VDD REVOUT0
200V=9pin
ZC_IN CPURST
SCL
SDA
FROM POWER KEY OFFACT_IN0
REVOUT2
32.768kHz
Main PCB
HAIN1
CISMODE_BS
Motor Relay
SLEEPn
RMOT1 STEP
RDPT4
RMOT2 DIR
CISTG_BS
RMOT3 USM0
CISCLK_BS
RMOT4 USM1
LEDEN2
RMPT2 VREF
CISLEDB_BS
RMOTSEL ENBn
CISLEDG_BS
CISLEDR_BS
+3.3V FBMOT_STEP STEP
DIR
LEDPWD
USM0
USM1
HVCOM_EXT
VREF
RMPT1 ENBn
HVREFP
LED_+3.3V_FB SLEEPn
HVREFM
HVCOM
AIN9 THM_INTERNAL
HAVDD
NC
EESCL1
HAVSS
EESDA1 NC
HAIN0
CIS_MODE
CISMODE
EESCL0
EEPROM
EESDA0
CISTG SDRAM0 SDRAM1
CISCLK
LEDEN1
CISLEDB
CISLEDG DATA[15:0]
CISLEDR
REVIO7 ADR[23:1]
SDRAM_CS0N
NC REVIO3 SDRAM_CKE
SDRAM_CLK
SDRAM_CS1N
IORDN
NC REVIO8 IOWEN
NC REVIO9 ROMCS0N
NC AIN10 RSTOUTN
NC
NC AIN11 ROMCS1N
RSEN2
Parallel FLASH
(ROM2)
REVIO5
REVIO10
+3.3V
FSEN
RSEN PNLSW
+5V
NC WCIS_SOL
REVIO4 PANEL3
PANEL2
NC HYPNOS
EXRST0N
NC
EXINT2N
+3.3V
NC
USBH_OCN PANEL1
NC
USBH_PWR_ON PANEL0
MDM_HOOK
+24V
MPDS
MDM_GIJI TSTMODEN
MDM_TELOFF TSTDATA
RTEST1 SGND
EXCS1N
MDM_CI
+1.1V
EXRST1N PLLVDD
EXINT1N PLLVSS
SGND
SPI1_CLK SEN3
SEN6
SPI1_DATOUT
SPI1_DATIN
MDM_RING SXOUT
USB/System
MDM_SPVOL SXIN
MDM_SPKR
AIN0
EXCS0N
AIN1
ADCVDD +3.3V
SPI0_D[3:0]
ADCVSS
SGND
SPI0_CLK
SPI0_CS0N
FANLOCK
SEN2
LED_+3.3V
SEN1
AIN4
AIN5
AIN6
AIN7
AIN8
HVENABLE
HVPWMCHG
WLAN_ON
HVPWMDEV
HVPWMTRCC
SDIO0_DATA0
HVTRCV
SDIO0_DATA1
GRIDDC
SDIO0_DATA3
SDIO0_CLK
HVSRBIAS
SDIO0_DATA2
SEN0
SDIO0_CMD
+3.3V USB20_VDD331
REVIO3
USB20_GND1
USB20_GND2 +3.3
USB20_VBUS
REVIO2 LED_+3.3V
USB20_DM
REVIO0
USB20_DP
REVIO1
USB20_RREF
+3.3V USB20_AVDD
VDODATA0_N
USB20_AVSS
VDODATA0_P
ETHER_RST
VREF
RMII_CLKIN
VENB
RMII_TXD[1:0]
RMII_TX_EN
VBDN
RMII_RXD[1:0]
FAN
RMII_CRSDV
+3.3V VDD
MDCLK CLK
RMII_MDIO
MDDO DAT
RMII_MDC
RST
MDRSTN
MD_ALERT ALERT
EXINT0N
+3.3V ENB OSCr
Rs
PNP
SCANCTL PNM
SEN5
AIN3 SCANFGS FGP
AIN2
+24V
+24V
VCCP
MNP
DCCTL MNM
DCFGS FGM
HTLIMITN
MAIN_HALL FGH
SEN4
LED_+3.3V
+24V
+24V_M
VCCm
test1
test2
test3
VDD33
REG5_out
+24V
Rs
VCCsol
VDD_ddc
+3.3V
DD_out
POWER_ON
HEATERON
RLYOFFN
DD_fb
ACZEROX
LEDIN
RSTICN
LEDOUT
EESCL0
PICK_SOL
EESDA0
SEN7
REG_SOL
6-1
M
A 1 1 A
An 2 2 An
ADF
B 3 3 B
motor
Bn 4 4 Bn
+24V
FG
M
A 1 1 A
An 2 2 An
Document
B 3 3 B scanner
Bn 4 4 Bn
motor
+24V
FG
+3.3V 1
Internal temperature sensor
2
+3.3V
A[2:0]=111
Mono LCD models only
Touch panel models only
Panel PCB
Key PCB
RST_N 1 RST_N
5V 2 2 5V
TXD 3 3 UART4
RXD 4 4 UART3
SGND 5 5 SGND
ON/OFF Key 6 6 ON/OFF Key
Color LCD
3.3V 7 7 3.3V
(2.7 inch)
TXD_SUB 8 8 UART2
RXD_SUB 9 9 UART1
24V 10 10 24V
New toner sensor PCB
Paper feed sensor PCB
PEDGE_SEN 1 PEDGE_SEN
1 GND 1
PNEW_SEN 2 PNEW_SEN
LED_VCC
2 LED_VCC 2
LED_VCC 3 LED_VCC
New toner
3 PEDGE_SEN 3 PEDGE_SEN
GND 4 GND sensor
High voltage power supply
PCB
24V 21 21 24V
FU_FAN_VCC 20 20 FU_FAN_VCC
FU_FAN_SEN FU_FAN_SEN
19 19
REG_R_SEN REG_R_SEN
18 18
LED_VCC LED_VCC GND
17 17 CHG
REF_F_SEN REF_F_SEN REF_F_SEN
16 16
FB_CHG 15 15 FB_CHG LED_VCC
SR
FB_GRID 14 14 FB_GRID REG_R_SEN
FB_DEV 13 13 FB_DEV
GRID
FB_TRCCV 12 12 FB_TRCCV
FB_TRCC 11 11 FB_TRCC TR
HV_ENABLE 10 10 HV_ENABLE
PWM_CHG 9 9 PWM_CHG
DEV
PWM_DEV 8 8 PWM_DEV
PWM_TRCC 7 7 PWM_TRCC
PWM_TRCV 6 6 PWM_TRCV
Cover open sensor
GRIDC 5 5 GRIDC
3.3V 4 4 3.3V
PGND 3 3 PGND FUSER_FAN_VCC
SGND 2 2 SGND PGND
+3VI 1 1 +3VI FUSER_FAN_SEN
LD
+3VI 18 18 +3.3VI LVD
LD
GND 17 17 GND
VDO_DATA_N 16 16 VDO_DATA_N
VDO_DATA_P 15 15 VDO_DATA_P
GND 14 14 GND
LD_REF 13 13 LD_REF
ENABLE ENABLE
12 12
PD
LD_OFF LD_OFF
11 11
+3.3V +3.3V
10 10 VCC
BDN BDN
9 9
MOTOR_FG 8 8 MOTOR_FG
W 7 7 W
+3.3V
W 6 6 W BD_Sensor
V 5 5 V MOTOR_FG
V 4 4 V W
U 3 3 U V
U 2 2 U U
CENTER_TAP 1 1 CENTER_TAP CENTER_TAP
HU+ 1 1 HU+
HU- 2 2 HU-
+3.3V
HV+ 3 3 HV+ Hall IC
HV- 4 4 HV-
M
HW+ 5 5 HW+
HW- 6 6 HW-
SGND 7 7 SGND
+3.3V 8 8 +3.3V
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 W
15 15
W W
16 16
W W
17 17
FG+ FG+
18 18 Main Motor
FG- 19 19 FG-
+1.1V
+24V 2
T1 clutch
CLUTCHn 1
+24V 2
Registration clutch
SOLn 1
For china Except for china
PNL CPU PNL11
1 RST_N 1 RESPONSE
2 5V 2 5V
3 TXD 3 COMMAND
4 RXD 4 PNL_CLK
5 SGND 5 SGND
6 ON/OFF Key 6 ON/OFF Key
7 3.3V 7 3.3V
8 Wifi_LED 8 Wifi_LED
Mono LCD
(2 line)
GND
Paper feed sensor
Spring
GND
Wire
Registration front/
rear sensor PCB
GND
4 4
REF_F_SEN
3 3
2 2 LED_VCC
1 1 REG_R_SEN
1
Main
2
FAN
3
Laser scanner unit
Polygon
Motor
V
M
U
W
5 1 MOTOR_FG
4 2 W
3 3 V
2 4 U
1 5 CENTER_TAP
+3.3V
Hall IC
Confidential