Brother MFC-L2700DN Service Manual

6-1
Confidential
CHAPTER 6 WIRING DIAGRAM
1. WIRING DIAGRAM
SLEEPn
A
11
A
RMOT1 STEP
An
22
An
RMOT2 DIR
B
33
B
1
AO
HAIN1
RMOT3 USM0
Bn
44
Bn
2
MODE
CISMODE_BS
RMOT4 USM1
3
RGND
RMPT2 VREF
4
VCC(R3.3V)
RMOTSEL ENBn
5
VREF
RDPT4
6
TG
CISTG_BS
FBMOT_STEP STEP
7
CLK
CISCLK_BS
DIR
A
11
A
8
LED_Anode
EN LEDEN2
USM 0
An
22
An
9
B_LED
CONT_B CIS LEDB_BS
USM 1
B
33
B
10
G_LED
CONT_G CISLEDG_BS
VREF
Bn
44
Bn
11
R_LED
CONT_R CISLEDR_BS
RMPT1 ENBn
12
FG
PDN
SLEEPn
LEDPWD
HVC OM_EX T
+3.3V
1
AIN9
THM_INTERNAL
2
HVR EFP
EESCL1
HVR EFM
EESDA1
HVC OM
HAV DD
HAV SS
EESCL0
1
AO
HAIN0
EESDA0
2
MODE
CISMODE
3
RGND
Vout Vin
4
VCC(R3.3V)
EN
5
VREF
6
TG
CISTG
7
CLK
CISCLK
8
LED_Anode
EN LEDEN1
9
B_LED
CONT_B CISLEDB
10
G_LED
CONT_G CISLEDG DATA[15:0]
11
R_LED
CONT_R CISLEDR
12
FG
PDN REVIO7 ADR[23:1]
SDRAM_CS0N
REVIO3 SDRAM_CKE
SDRAM_CLK
SDRAM_CS1N
IORDN
REVIO8 IOWEN
REVIO9 ROMCS0N
LED_3.3 V
1
LED_3.3V LED_+3.3V_FB
AIN10 RS TOUTN
SGND
2
SGND
AIN11 ROMCS1N
SEN_ADFCOVER ADF_REAR_B
3
SEN_ADF_REAR_B
RSEN2
SGND
LED_VCC5
SEN_FRO NT
1
SEN_ADFCOVER
REVIO5
2
SGND
3
LED_VCC5
REVIO10
PNL CPU PNL11
4
SEN_FRO NT
FSEN
SEN_REAR
5
SEN_REAR
RSEN PNLSW
㻝
1
RST_N
1
RST_N
1RESPONSE
SGND
6
SGND
WCIS_SOL
225V 2 5V 2 5V
LED_VCC
7
LED_VCC LED_+3.3V_FB
REVIO4 PANEL3
33UART4 3TXD 3COMMAND
PANEL2
44UART3 4RXD 4PNL_CLK
55SGND 5 SGND 5 SGND
EXRS T0N
6 6 ON/OFF Key 6 ON/OFF Key 6 ON/OFF Key
EXINT2N
773.3V 7 3.3V 7 3. 3V
USBH_OC N PA NEL1
8 8 U ART 2 8 W if i_LE D 8 W ifi_ LED
USBH_P WR_O N PANEL0
99UART1
䠍
䠍
MDM_HOOK
10 10 24V
䠎
䠎
MPDS
La GIJI
11
GIJI
MDM_GIJI TSTMODEN
Lb TELOFF
22
TELOFF
MDM_TELOFF TSTDATA
FG MDM_MONI
33
MDM_MONI
RTEST1
FG CSn
44
CSn
EXCS 1N
Rin
55
Rin
MDM_CI
RESETn
66
RESETn
EXRS T1N PLLVDD
Ta IRQ
77
IRQ
EXINT1N PLLVSS
Tb SGND
88
SGND
SPICLK
99
SPICLK
SPI1_CLK S EN3
㻝
1
PEDGE_SEN
SGND
10 10
SGND
SEN6
㻞
2
PNEW_SEN
SPIOU T
11 11
SPIDOUT
SPI1_DATOUT
㻟
3
LED_VCC
TELSL1
+3.3V
12 12
+3.3V
㻠
4
GND
TELRL SPIDIN
13 13
SPIDIN
SPI1_DATIN
SGND SGND
14 14
SGND
MDM_RING S XOUT
TELSL2 + 24V
15 15
+24V
MDM_SPVOL SXIN
MDM_SPKR
2
VO1
1
VO2
EXCS 0N
SPI0_D[3:0]
SPI0_CLK
SPI0_CS0N
AIN0
AIN1
ADCVDD
ADCVSS
24V
21 21
24V
FU_FAN_VCC
20 20
FU_FAN_VCC
FANLOCK
FU_FAN_SEN
19 19
FU_FAN_SEN
Vout Vin
SEN2
REG_R_SEN
18 18
REG_R_SEN
GND
1
GND
EN
WLAN_ON
LED_VCC
17 17
LED_VCC GND
44
GND
+3.3V
2
+3.3V
SEN1
REF_F_SEN
16 16
REF_F_SEN REF_F_SEN
33
REF_F_SEN
SDIO_DATA0
3
SDIO_DAT A0
SDIO0_DATA0
AIN4
FB_CHG
15 15
FB_CHG LED_ VCC
22
LED_VCC
SDIO_DATA1
4
SDIO_DAT A1
SDIO0_DATA1
AIN5
FB_GRID
14 14
FB_GRID REG_R_SEN
11
REG_R_SEN
SDIO_DATA3
5
SDIO_DAT A3
SDIO0_DATA3
AIN6
FB_DEV
13 13
FB_DEV
SDIO_CLK
6
SDIO_CLK
SDIO0_CLK
AIN7
FB_TRCCV
12 12
FB_TRCCV
SDIO_DATA2
7
SDIO_DAT A2
SDIO0_DATA2
AIN8
FB_TRCC
11 11
FB_TRCC
SDIO_CMD
8
SDIO_CMD
SDIO0_CMD
HVENA BLE
HV_ENABLE
10 10
HV_ENABLE
USB20_VDD331
HVPW MCHG
PWM_CHG
99
PWM_CHG
USB20 _GND1
HVPW MDEV
PWM_DEV
88
PWM_DEV
USB20 _GND2
HVPW MTR CC
PWM_T RCC
77
PWM_T RCC
1
PC_+5V
USB20 _VBUS
HVT RCV
PWM_T RCV
66
PWM_T RCV
2
DATA_M
USB20 _DM
GRIDDC
GRIDC
55
GRIDC
3
DATA_P
USB20 _DP
3.3V
44
3.3V
4
SGND
USB20 _RREF
HVS RBIAS
PGND
33
PGND FUSER_FAN_VCC
1
USB20 _AVDD
SEN0
SGND
22
SGND PGND
2
USB20 _AVSS
+3VI
11
+3VI FUSER_FAN_SEN
3
REVIO3
PHYRSTB
ETHER_RST
MIIC LK RMII_CLKIN
1
TX+
1RXD[1:0]RMII_TXD[1:0]
REVIO2
2
TX-
2TX_CTLRMII_TX_EN
REVIO0
3
RX+
3
REVIO1
+3VI
18 18
+3.3VI
LVD
4
-
4 TXD[1:0] RMII_RXD[1:0]
GND
17 17
GND
5
-
5(CRS_DV)RMII_CRSDV
VDODATA0_N
VDO_DATA_N
16 16
VDO_DATA_N
6
RX-
6
VDODAT A0_P
VDO_DATA_P
15 15
VDO_DATA_P
7
-
7MDIORMII_MDIO
GND
14 14
GND
8
-
8MDCRMII_MDC
VREF
LD_REF
13 13
LD_REF
VENB
ENABLE
12 12
ENABLE
1
DX_SEN
INT EXINT0N
LD_OF F
11 11
LD_OF F
2
GND
+3.3V
10 10
+3.3V
VCC
+3.3V_E
88
+3.3V_E
VBDN
BDN
99
BDN
1
+3.3V_E THM_FU_E
77
THM_FU_E
SEN5
FAN
MOTOR_FG
88
MOTOR_FG
NC 2
+3.3V_C
66
+3.3V_C
AIN3
VDD
W
77
W
3
THM_EDGE THM_FU_C
55
THM_FU_C
AIN2
MDCLK C LK䕰
W
66
W
DX_SEN
44
DX_SEN
MDDO DAT䕰
V
55
V MOT OR_FG
51
MOTOR_FG
EJECT _SEN
33
EJECT _SEN
MDRSTN
RST䕰
V
44
VW
42
W
1
+3.3V_C GND
22
GND
MD_ALERT ALERT
U
33
UV
33
V
2
THM_CENTER LED_VCC
11
LED_VCC
HTLIM ITN
ENB䕰 OSCr
U
22
UU
24
U
SEN4
PNP
CENTER_TAP
11
CENTER_TAP CENT ER_TAP
15
CENTER_TAP
SCANCTL PNM
SCANFGS FGP
㻮㼛㼛㼟㼠㼑㼞
㻮㼛㼛㼟㼠㼑㼞
IC
VCCP
MNP
HU+
11
HU+
N
DCC TL MNM
HU-
22
HU-
DCF GS FGM
HV+
33
HV+
Hall IC
L1
MAIN_HALL FGH
HV-
44
HV-
HW+
55
HW+
HW-
66
HW-
L1
SGND
77
SGND
Hal l IC
NC
VDD33
+3.3V
88
+3.3V
N
VCCm
U
99
U
U
10 10
U
test1
U
11 11
U
24V_M
99
24V_M
test2
V
12 12
V
P0V
88
P0V
test3
V
13 13
V
24V
77
24V
V
14 14
V
Hall IC
S0V
66
S0V
REG5_out
W
15 15
W
DSLEEP
55
DSLEEP
POWER_ON
W
16 16
W
HEAT_ON
44
HEAT_ON
HEAT ERON
W
17 17
W
RL_DRIVE
33
RL_DRIVE
RLYOFFN
FG+
18 18
FG+
L1 OFF_MODE
22
OFF_MODE HYP NO S
VCCsol
FG-
19 19
FG-
INLET
AC_DIRECT_VDD 11AC_DIRECT_VDD REVOUT1
VDD_ddc
L1
VDD REVOUT0 AC ZEROX
DD_ou t
FG
ZC_IN CPURS T
RSTICN
N
N
SCL
EESCL0
DD_fb
SDA EESDA0
OFFACT_IN0
REVOUT2 SEN7
LEDIN
LEDOUT
+24V
2
PICK_SOL
CLUTCHn
1
+24V
2
REG_SOL
SOLn
1
LED_VCC
GND
RXD_SUB
PEDGE_SEN
PNEW_SEN
RST_N
3.3V
ON/OFF Key
SGND
RXD
TXD
5V
HOOK
SGND
HOOK
SGND
TXD_SUB
24V
㻭㻯㻌㼐㼕㼞㼑㼏㼠
㼕㼚㼜㼕㼠㻌㼏㼕㼞㼏㼡㼕㼠
Halogen-Heater
Back Cover/Duplex
detect Sensor
Thermostat
T1 clutch
BD_Sensor
LD
Main Motor
Main
FAN
DRIVER
SPEAKER
Second side
Cover open sensor
GND㻌㼜㼘㼍㼠㼑
Wireless
LAN PCB
DRIVER
First side
ADF_COVER
Eject sensor
ADF_FRONT
+24V_M
USB
Function
+1.1V
+24V
Vref
Vref
+3.3V
LED DRV
CIS_TG
CIS_MODE
+3.3V
First side CIS unit
+3.3V
25MHz
Low Voltage Power Supply PCB
SDRAM0
LD
High voltage power supply
PCB
Motor Relay
+24V
Motor DRIVER
+24V
R3.3V
+5V
10/100 baseEthernet
+3.3V
+3.3V
EEPROM
+3.3V
Second side CIS unit
REG.
28.224MH z
+24V
+3.3V
MODEM PCB
Polygon
Motor
Laser scanner unit
Spring
Wire
Registration clutch
M
DCDC
Rs
+3.3V
Parallel FLASH
(ROM2)
Serial FLASH
(ROM0)
+3.3V
EJECT Sensor PCB
CHG
DEV
SR
GRID
TR
+5V
LED DRV
+5V
Euterp e
DRIVER
+24V
M
Document
motor
ADF
motor
FG
Speaker AM P
䈜Duplex scan models only
+3.3V
+3.3V
A[2:0]=111
+1.1V
+3.3V
LINE
EXT
+24V
M
M
+3.3V
+3.3V
U
V
W
+24V
5V REG
LED_+3. 3V
LED_+3. 3V
+24V
+3.3V
PHY
+3.3V
LED_+3. 3V_F B
Rs
PD
New toner sensor PCB
SDRAM1
USB/System
+3.3V
H/S
㻰㻭㻭
SSF336
V34 MODEM
㻯㼛㼐㼑㼏
Panel PCB
Euterpe
Key PCB
Color LCD
(2.7 inch)
HOOK
R3.3V
32.768kHz
+3.3V
BGA 257 p i n
+3.3V
SGND
㻗㻞㻠㼂
㻺㻯
+3.3
㻲㻾㻻㻺㼀㼋㻯㻻㼂㻱㻾㼋㻿㻱㻺
㻺㻯
㻺㻯
LED_+3. 3V_F B
HYPNO S㼀㼛
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
㻺㻯
㻺㻯
㻭㻯㻛㻰㻯
㼜㼛㼣㼑㼞 㻵㻯
㻗㻞㻠㼂㼋㻹
㻗㻞㻠㼂
LED_+3. 3V
㼀㼛㻌㻱㻱㻼㻾㻻㻹
㼀㼛㻌㻴㼅㻼㻺㻻㻿
䈜Duplex scan models only
A0V
A0V
AVDD3
+24V
+5V
FROM POWER KEY
+3.3V
㻺㻯
LED_+3. 3V
㻾㼑㼓㼕㼟㼠㼞㼍㼠㼕㼛㼚
㼒㼞㼛㼚㼠㻌㼟㼑㼚㼟㼛㼞
Registration front/
Internal temperature sensor
NC
Main PCB
+3.3V
+3.3V
+3.3V
䯲Single scan
NC
㻺㻯
+3.3V
NC
+3.3V
Serial FLASH
(ROM1)
㻺㻯
㻺㻯
SGND
㼀㼛㻌㻹㼛㼠㼛㼞㻌㻰㼞㼕㼢㼑㼞
㻭㻿㻵㻯
㼀㼛㻌㻲㻱㼀
㻲㼞㼛㼙㻌㻹㼛㼠㼛㼞㻌㻰㼞㼕㼢㼑㼞
+3.3V
FET
+3.3V
+24V
+3.3V
+1.1V
SGND
200V=9pin
100V=8pin
model only
㻲㼞㼛㼙
document
scanning
position sensor
PCB
document scanning
position sensor PCB
ADF cover/
document
detection sensor
PCB
PCB
scanner
FG
rear sensor PCB
Touch panel models only
Mono LCD
(2 line)
Mono LCD models only
㻾㼑㼓㼕㼟㼠㼞㼍㼠㼕㼛㼚
㼞㼑㼍㼞㻌㼟㼑㼚㼟㼛㼞
New toner
㻞㻠㼂㻌㼜㼛㼣㼑㼞㻌㼏㼛㼚㼠㼞㼛㼘㻌㼏㼕㼞㼏㼡㼕㼠
㼆㼑㼞㼛㻌㼏㼞㼛㼟㼟
㼐㼑㼠㼑㼏㼠㻌㼏㼕㼞㼏㼡㼕㼠
For china Except for china
1
PEDGE_SEN
2
3
LED_VCC
GND
Paper feed sensor PCB
Paper feed sensor
sensor
1
PEDGE_SEN
2
3
LED_VCC
GND
Fuser Unit

Brother MFC-L2700DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Duplex printing mode	Auto
Print speed (black, normal quality, A4/US Letter)	24 ppm
Product color	Gray
Market positioning	Home & office
Display number of lines	2 lines
Display number of characters	16
Custom media width	76.2 - 215.9 mm
Custom media length	127 - 355.6 mm
Paper tray media weight	60 - 105 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
Maximum ISO A-series paper size	A4
Sound pressure level (printing)	49 dB
Sound pressure level (quiet mode)	45 dB
Maximum copy resolution	600 x 600 DPI
Scanner type	Flatbed & ADF scanner
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Faxing	Mono faxing
Modem speed	33.6 Kbit/s
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Wi-Fi	-
Cabling technology	10/100Base-T(X)
Security algorithms	SMTP-AUTH, SNMP
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Google Cloud Print
Package depth	517 mm
Package width	567 mm
Package height	435 mm
Package weight	14400 g
Sustainability certificates	Blue Angel, ENERGY STAR
Mac operating systems supported	Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	SuSE Linux 10, SuSE Linux 10.2, SuSE Linux 10.3, SuSE Linux 11, SuSE Linux 11.1, SuSE Linux 11.2, SuSE Linux 12.0
Server operating systems supported	Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 R2 x64, Windows Server 2012 x64
Windows operating systems supported	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Total input capacity	250 sheets
Total output capacity	100 sheets
Auto document feeder (ADF) input capacity	35 sheets
Maximum duty cycle	- pages per month
Recommended duty cycle	250 - 2000 pages per month

Weight and Dimensions

Depth	398.5 mm
Width	409 mm
Height	316.5 mm