Brother MFC-7220 - Page 313

LAN
CN501
RL2/POL
CN2-12
-7
-10
RLS
-5
-4
-3
-2
-1
SL
GND
TELOFF
CI
24V
TELRL
CML
TELSL
CN9-2
-1
VOUT2
VOUT1
LINE
EXT
RL1
-6
5V
-8
INPRIM
ATFEED
FLT
SELIN
CLK
TG
LED_VDD
VCC GND
LED_VSS
AO
CN4-7
-11
-10
-9
-6 -5 -4 -3 -2 -1
ACK
-3
-2
-4
-15
BUSY
PE SELECT
USB
CN12
RESPONSE
COMMAND
S0V
PCLK
+5V
-5 -4 -3 -2 -1
CN22-6
VCC24V
24RET
PWM-DEV
TRCV
T1_SOL
REG_REAR_SEN
REG_SOL
TNR_SEN
S0V
-18
-11
-10
-9
-8 -7 -6 -5 -4 -3 -2 -1
-16
-15
-14
-13 -12
FB-VCLN
GRIDC
FB-GRID
FB-DEV
PWM-CHG
PWN-TRCC
FB-TRCCV
FB-TR
-11
-10
-9
-8 -7 -6 -5 -4 -3 -2
+24V
FAN ON
CN20-12
S0V
+5.0V
/HEAT ON
24RET
TNRLED
PEDG_SEN
+24V
24RET
FRONT_SEN
-11
-10
-9
-8 -7 -6
-5
-4
-3
-2 -1
CN5-15
-14
-13 -12
STHM
-1
CN16-2
S0V
S0V
STB
+5V
-7
-6
-5
-2
-1
-16
-11
-9
BD VCC
DATA GND
LDHALF
-4 -3
-2
-1
B4
+3.3V
CN12-4
-3
BB B
AB
A
STHM
-1
CN15-2
+3.3V
-17
VCC3.3V
CN14-19
PWM-VCLN
SENSE
HU+ HU-
HV+
HV-
FAN ON
MW-
MW+
VCC
GND
COILU COILU
COILV COILV
COILW
COLIW
-11
-10
-9
-8 -7 -6
-5
-4
-3
-2 -1
CN17-17
-14
-13 -12
SENSE
HU+ HU-
HV+
HV-
HW-
HW+
VCC
GND
U U
V V
W W
-15 -16
FG+
FG-
CN19-2
-1
24V
FAN
CN10-2
-1
PNEW_SEN
GND
CN8-2
-1
FRONT_COVER_SEN
GND
CENTER_THM
-1
-2
VDD3
Hand
set
NFC7225N only
-1
RELAYOFFN
VDD3
-3
CN18-4
EDG_THM
CN2-4
-3
-2
-1
GIJI/ADLC
RL2/POL
CHRG
RDPS
ENB
-5
CN3-6
-14
-8
-17
-13
-12
-1
CN23-20
-18 -19
DI8 DI7
DI6
DI5
DI4
DI3
DI2
DI1
CN7-2
-1
S0V
SEN_HOOK
Confidential