Chapter 6 Wiring Diagram - Brother HL-L2300D Service Manual

CHAPTER 6 WIRING DIAGRAM

1. WIRING DIAGRAM
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
detect Sensor
EJECT Sensor
1 DX_SEN
2 GND
+3.3V_E
1 +3.3V_E THM_FU_E
NC 2 +3.3V_C
3 THM_EDGE THM_FU_C
DX_SEN
EJECT_SEN
1 +3.3V_C GND
2 THM_CENTER LED_VCC
Eject sensor
Fuser Unit
Halogen-Heater
N
L1
Thermostat
L1
NC
N
24V
S0V
* DSLEEP
HEAT_ON
RL_DRIVE
L1 OFF_MODE
INLET AC_DIRECT_VDD
L1 200V=7pin
100V=6pin(Not use DSLEEP)
FG
N
N
Low Voltage Power Supply PCB
Main PCB
Serial FLASH
(ROM0)
+3.3V
FET
Vout Vin +3.3V
EN
GND
1
+3.3V
2 +3.3V
3 SDIO_DATA0
4 SDIO_DATA1
5 SDIO_DATA3
6 SDIO_CLK
7 SDIO_DATA2
SDIO_CMD
8
+3.3V
1 PC_+5V
2 DATA_M
3 DATA_P
SGND
4
+3.3V
+3.3V PHYRSTB
MIICLK
+1.1V
1 TX+ 1 RXD[1:0]
TX-
2 2 PHY TX_CTL
3 RX+ 3
4 - 4 TXD[1:0]
5 - 5 (CRS_DV)
6 RX- 6
7 - 7 MDIO
8 - 8 MDC
25MHz
INT
8 8 +3.3V_E
+3.3V
7 7 THM_FU_E
6 6 +3.3V_C
5 5 THM_FU_C
+3.3V
+24V
DX_SEN
4 4
3 3 EJECT_SEN Vref
+3.3V
2 2 GND
LED_+3.3V
1 1 LED_VCC
Vref
+3.3V
+24V
DCDC
24V
7 7
6 6 S0V
5 5 DSLEEP
4 4 HEAT_ON
3 3 RL_DRIVE
2 2 OFF_MODE HYPNOS
1 1 AC_DIRECT_VDD REVOUT1
VDD REVOUT0
ZC_IN CPURST
SCL
SDA
FROM POWER KEY
OFFACT_IN0
REVOUT2
+3.3V
EESCL0
EEPROM
EESDA0
A[2:0]=111
SDRAM0
DATA[7:0]
ADR[20:1]
SDRAM_CS0N SW0/PNLRESP
SDRAM_CKE LED3/PNLCMD
LED2/PNLCLK
SDRAM_CLK
MPDS
ON/OFF_KEY
TSTMODEN
TSTDATA
LED_VCC
RTEST1 SGND
PNEW_SEN
PEDGE_SEN
+1.1V
PLLVDD
PLLVSS
SGND
SXOUT
USB/Syste
m
SXIN
PANEL1
PNLSW SW0/PNLRESP
PANEL3 LED3/PNLCMD
PANEL2 LED2/PNLCLK
EXCS0N PANEL0
ON/OFF_KEY
HYPNOS
SPI0_D[3:0]
LED_VCC
SPI0_CLK LED_+3.3V
SPI0_CS0N SEN6 PNEW_SEN
SEN3 PEDGE_SEN
AIN0
AIN1
+3.3V
ADCVDD
ADCVSS SGND
FU_FAN_VCC
FANLOCK FU_FAN_SEN
SEN2 REG_R_SEN
LED_+3.3V
LED_VCC
WLAN_ON
SEN1 REF_F_SEN
SDIO0_DATA0 AIN4 FB_CHG
SDIO0_DATA1 AIN5 FB_GRID
SDIO0_DATA3 AIN6 FB_DEV
SDIO0_CLK AIN7 FB_TRCCV
SDIO0_DATA2 AIN8 FB_TRCC
HV_ENABLE
SDIO0_CMD HVENABLE
USB20_VDD331 HVPWMCHG PWM_CHG
USB20_GND1 HVPWMDEV PWM_DEV
USB20_GND2 HVPWMTRCC PWM_TRCC
USB20_VBUS HVTRCV PWM_TRCV
USB20_DM GRIDDC
USB20_DP
USB20_RREF HVSRBIAS
USB20_AVDD SEN0
USB20_AVSS
REVIO3
ETHER_RST
+3.3
RMII_CLKIN
RMII_TXD[1:0] REVIO2 LED_+3.3V
RMII_TX_EN REVIO0
REVIO1
RMII_RXD[1:0]
RMII_CRSDV VDODATA0_N VDO_DATA_N
VDODATA0_P VDO_DATA_P
RMII_MDIO
RMII_MDC VREF LD_REF
ENABLE
VENB
EXINT0N LD_OFF
VBDN
SEN5 FAN MOTOR_FG
AIN3 +3.3V VDD
AIN2 MDCLK CLK
MDDO DAT
MDRSTN RST
MD_ALERT ALERT
HTLIMITN +3.3V ENB OSCr
Rs
SEN4 PNP CENTER_TAP
SCANCTL PNM
SCANFGS FGP
+24V
VCCP
MNP
DCCTL MNM
DCFGS FGM
MAIN_HALL FGH
VDD33 LED_+3.3V
+24V
+24V_M
VCCm
test1
test2
test3
REG5_out
POWER_ON
HEATERON
RLYOFFN
+24V
Rs
VCCsol
+3.3V VDD_ddc
ACZEROX DD_out +1.1V
RSTICN
DD_fb
EESCL0
EESDA0
LEDIN
LEDOUT
PICK_SOL CLUTCHn
REG_SOL
6-1
LCD models only
New toner sensor PCB
Panel PCB
GND 1 4 GND
LED_VCC
LED_VCC 2 3
Key Matrix (6key)
PNEW_SEN 3 2 PNEW_SEN New toner sensor
PEDGE_SEN 4 1 PEDGE_SEN
(WLAN)
9 9 PNLRESP BL
8 8 PNLCMD DATA
7 7 PNLCLK SCK
Paper feed sensor
3.3V 6 6 3.3V STB
5 5 ON/OFF Key VREF
Paper feed sensor
GND GND VSS
4 4
(POWER) PCB
3 3 LED_VCC VDD
2 2 PNEW_SEN
1 1 PEDGE_SEN
LED models only
Panel PCB New toner sensor PCB
GND 1 GND
4
LED_VCC 2 3 LED_VCC
New toner sensor
PNEW_SEN 3
2 PNEW_SEN
4 1 PEDGE_SEN
PEDGE_SEN
(Paper)
LED1 10 10 LED1
1 2 3
9 9 GO_SW (Go)
8 8 LED3 (Toner)
7 7 LED2 (Drum)
LED0 6 6 LED0 (Ready) 1 2 3
5 5 ON/OFF Key
GND 4 4 GND (POWER)
Paper feed sensor
LED_VCC
3 3
2 2 PNEW_SEN Paper feed sensor
1 1 PEDGE_SEN
PCB
High voltage power supply PCB
24V 21 21 24V
20 20 FU_FAN_VCC
19 19 FU_FAN_SEN
18 18 REG_R_SEN
LED_VCC GND
17 17 CHG 4
16 16 REF_F_SEN REF_F_SEN 3
15 15 FB_CHG SR LED_VCC 2
14 14 FB_GRID REG_R_SEN 1
13 13 FB_DEV
GRID
12 12 FB_TRCCV
11 11 FB_TRCC TR
HV_ENABLE
10 10
9 9 PWM_CHG DEV
8 8 PWM_DEV
7 7 PWM_TRCC
6 6 PWM_TRCV
Cover open sensor
GRIDC 5 5 GRIDC
3.3V 4 4 3.3V
PGND PGND FUSER_FAN_VCC
3 3 1
SGND 2 2 SGND PGND 2
+3VI 1 1 +3VI FUSER_FAN_SEN 3
LD
+3VI 18 18 +3.3VI LVD
LD
GND 17 17 GND
16 16 VDO_DATA_N
15 15 VDO_DATA_P
GND 14 14 GND
PD
13 13 LD_REF
ENABLE
12 12
11 11 LD_OFF
+3.3V 10 10 +3.3V VCC
BDN 9 9 BDN
8 8 MOTOR_FG
+3.3V
W 7 7 W
BD_Sensor
W 6 6 W
V V MOTOR_FG
5 5 5
V 4 4 V W 4
U 3 3 U V 3
U 2 2 U U 2
1 1 CENTER_TAP CENTER_TAP 1
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 SGND
7 7 Hall IC
+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 V
14 14 Hall IC
W 15 15 W
W 16 16 W
W 17 17 W Main Motor
FG+ 18 18 FG+
FG- 19 19 FG-
+24V 2
T1 clutch
1
+24V 2
Registration clutch
SOLn 1
1 2 3
1 2 3
Spring
GND
Wire
GND
4
3 REF_F_SEN
2 LED_VCC
1 REG_R_SEN
Main
FAN
Laser unit
Polygon
Motor
V
M
U
W
MOTOR_FG
1
2 W
3 V
4 U
5 CENTER_TAP
+3.3V
Confidential