Brother HL-2250DN Service Manual page 168
Laser printer
Hide thumbs
Also See for HL-2250DN:
- Technical reference manual (517 pages) ,
- User manual (239 pages) ,
- Service manual (181 pages)
Table of Contents
Advertisement
■ Wiring Diagram
Wireless LAN
MODULE
(Only HL-2270W)
HVPS
(PANASONIC,MURATA)
+3.3V
SW
+3.3V
+3VI
Toner
LED
COVER OPEN SW
1/4W
(SAFETY INTERLOCK)
NOT ASSY
CN1
CN2
FUSER
1
FUSER_FAN_VCC
TNRLED_ON
1
FAN
PGND
+24V
3
FUSER_FAN_SEN
+24V
FAN
S3B-PH-K-S(L)
FUSER_FAN
FUSER_FAN_SEN
DISCHG-PRE
GRID
HV_ENABLE
GRIDC
FB_GRID
DEV
FB_DEV
FB_TRCCV
FB_TRCC
CHG
+3.3V
PWM_CHG
TRCC
PWM_DEV
/TRCV
PWM_TRCC
PWM_TRCV
SR
PGND
GND
+3VI
20
Eject-sensor
sensor
UL1061
CN3
AWG#28
DX
2
DX_SEN
SW
sensor
1
GND
Rear Cover Sensor
EJECT
Fuser
Thermistor
(Center)
Unit
Non Contact
Unit
2
THM_C
1
+3.3V
UL3398
B2B-PH-K-R
AWG#26
TAB
Thermostat
TAB
2
THM_E
1
+3.3V
UL3398
2-292161-2
AWG#26
Thermistor
(Edge)
TAB
Halogen
Contact
heater
TAB
TAB
TAB
UL3398
UL1061
CN1
AWG#18
AWG#28
4
GND
REG_R_SEN
LED VCC
1
REG_F_SEN
HEAT_ON
Relay
Triac
+3.3V
+24V
Delta
F2,3
F1
HEAT_ON
(NEUTRAL)
UL1015
AWG#18
(LIVE)
USB
Function
(2.0)
CN
CN15
CN12
RESET
1
USB Cable
1
RESET
5075BR-04-WH-01
+3.3V
2
+3.3V
3
DATA+
DATA+
4
DATA-
DATA-
GND
5
GND
FG
6
6
FG
S6B-PH-SM4-TB
B6B-PH-K-S
WLAN
1mmPitch
FFC
CN1
1
TNRLED_ON
+24V
+24V
FUSER_FAN
FUSER_FAN_SEN
DISCHG-PRE
HV_ENABLE
GRIDC
FB_GRID
FB_DEV
FB_TRCCV
FB_TRCC
+3.3V
PWM_CHG
PWM_DEV
PWM_TRCC
PWM_TRCV
PGND
GND
20
+3VI
9615S-20A-PP-A
1.0mmPitch
CN4
MAIN ASIC
CN6
FFC
LED_VCC
1
1
LED_VCC
GND
GND
EJECT_SEN
EJECT_SEN
DX_SEN
DX_SEN
THM_FUSER_C
THM_FUSER_C
+3.3V
+3.3V
THM_FUSER_E
THM_FUSER_E
+3.3V
8
8
+3.3V
CN2
9615S-8A-PP-A
CN1
B512317
REG_F
REG_R
Regist
F/R sensor
B512315
CN102
CN5
UL1061
AWG#28
1
AC_ZEROX
1
AC_ZEROX
HEAT_ON
HEAT_ON
RELAY1
RELAY1
RELAY2
RELAY2
REG_R_SEN
REG_F_SEN
LED VCC
LED VCC
REG_F_SEN
7
REG_R_SEN
VDD_CTRL_LV0
8
8
VDD_CTRL_LV0
B6B-PH-K-S
B7B-PH-K-S
UL1061
CN4
CN101
AWG#22
S0V
1
1
S0V
+3.3V
+3.3V
+3.3V
P0V
P0V
PRINTER
+24V
4
4
+24V
+24V
B4B-EH
B4B-EH
LVPS
(DELTA,MURATA)
MAIN PCB:B512314/B512309
Ethernet
ACTIVITY
LINK
(With
TURNS and LED)
CN14
(HL-2250DN / HL-2270W)
CN7
UL1061
AWG#26
+24V
2
REG_CLU
1
292161-2
UL1061
CN8
AWG#26
+24V
2
T1_CLU
1
B2B-PH-BL
1mmPitch
CN3
FFC
HU+
1
HU-
HV+
HV-
HW+
HW-
GND
+3.3V
U
U
U
V
V
V
W
W
W
FG+
19
FG-
9615S-19A-PP-A
1.0mmPitch
CN2
FFC
18
CENTER TAP
COIL U
COIL U
COIL V
COIL V
COIL W
COIL W
FG
11
BDN
10
+3.3V
LD_OFF
ENABLE
LD_REF
GND
LVDS
VdoData_P
LVDS
VdoData_N
GND
+3VI 1
18
9615S-18A-PP-A
9615S-18C-PP-A
1.0mmPitch
CN13
FFC
LED_TONER
1
LED_DRUM
LED_ERROR
LED_READY
PNL_SW0
GND
PNEW_SEN
TNR_SEN
LED_VCC
PEDGE_SEN
10
9615S-10A-PP-A
FFC
6-7
Regist
CLUTCH
Paper Feed
CLUTCH
HU+
1
Main
HU-
Motor Unit
HV+
HV-
HW+
MOTOR UNIT
HW-
GND
VCC3
DC
U
U
U
V
V
V
W
W
W
FG+
19
FG-
DC
Polygon
1
CENTER TAP
Motor Unit
COIL U
MOTOR UNIT
COIL U
COIL V
Holeless
COIL V
COIL W
COIL W
UL1061
AWG#24
8
FG
Paper Edge
sensor
BD SENSOR
sensor
(26ppm model only)
+3.3V
PEDGE
+3VI
+3.3V
9
BDN
+3.3V
LD_OFF
LD DRIVER
ENABLE
LD_REF
B512316
GND
VdoData_P
VdoData_N
GND
LD
PD
+3VI
LD CTRL PCB
COM
LD
B512313
PANEL
1
LED_TONER
Ready
Error
Drum
Toner
LED_DRUM
(Green)
(Orange)
(Yellow)
(Yellow)
LED_ERROR
LED_READY
PNL_SW0
Go key
GND
PNEW TONOR SENSOR
TNR_SEN
LED_VCC
PNEW_SEN
10
PEDGE_SEN
PEDGE
PANEL PCB
B512318
Confidential
Advertisement
Table of Contents
Troubleshooting
