Brother DCP-L5500D Service Manual page 379

 TT
T2TT relay PCB
2 KS_CLU
T2TT pickup clutch
1 24V
2 SD_CLU
1 24V
T2 jam sensor 24V
SEN_JAM 3 3 SEN_JAM KS_CLU
S0V 2 2 S0V SD_CLU
VCC_LED 1 1 VCC_LED SEN_JAM
T2 paper empty sensor SEN_PE
SEN_PE 3 3 SEN_PE SEN_EDGE
S0V 2 2 S0V S0V
VCC_LED 1 1 VCC_LED VCC_LED
T2 paper feed sensor
SEN_EDGE 3 3 SEN_EDGE
S0V 2 2 S0V
VCC_LED 1 1 VCC_LED
T3TT relay PCB
T3TT pickup clutch 2 KS_CLU
1 24V
2 SD_CLU
T3TT release clutch
1 24V
T3 jam sensor 24V
SEN_JAM 3 3 SEN_JAM KS_CLU
S0V 2 2 S0V SD_CLU
VCC_LED 1 1 VCC_LED
T3 paper empty sensor SEN_PE
SEN_PE 3 3 SEN_PE SEN_EDGE
S0V 2 2 S0V S0V
VCC_LED 1 1 VCC_LED VCC_LED
T3T2 paper empty sensor
SEN_EDGE 3 3 SEN_EDGE
S0V 2 2 S0V
VCC_LED 1 1 VCC_LED
T4TT relay PCB
2 KS_CLU
T4TT pickup clutch
1 24V
2 SD_CLU
T4TT release clutch
1 24V
T4 jam sensor 24V
SEN_JAM 3 3 SEN_JAM KS_CLU
S0V 2 2 S0V SD_CLU
VCC_LED 1 1 VCC_LED SEN_JAM
T4 paper empty sensor SEN_PE
SEN_PE 3 3 SEN_PE SEN_EDGE
S0V 2 2 S0V S0V
VCC_LED 1 1 VCC_LED VCC_LED
T4 paper feed sensor
SEN_EDGE 3 3 SEN_EDGE
S0V 2 2 S0V
VCC_LED 1 1 VCC_LED
T5TT relay PCB
2 KS_CLU
T5TT pickup clutch
1 24V
2 SD_CLU
T5TT release clutch
1 24V
24V
T5 jam sensor
SEN_JAM 3 3 SEN_JAM KS_CLU
S0V 2 2 S0V SD_CLU
VCC_LED 1 1 VCC_LED SEN_JAM
T5 paper empty sensor SEN_PE
SEN_PE 3 3 SEN_PE SEN_EDGE
S0V 2 2 S0V S0V
VCC_LED 1 1 VCC_LED VCC_LED
T5 paper feed sensor
SEN_EDGE 3 3 SEN_EDGE
S0V 2 2 S0V
VCC_LED 1 1 VCC_LED
200V model
24V
P0V
24V
P0V
DSLEEP
AC/DC
Power IC
HEAT_ON
RL_DRIVE
INLET_OUTLET OFF_MODE
L1 AC_DIRECT_VDD
AC direct
FG inpit circuit
100V model
N
24V
L1 L1
P0V
FG
24V
N N
P0V
HEAT_ON
Low-voltage
RL_DRIVE
Power supply PCB
OFF_MODE
AC_DIRECT_VDD
T2_KS_CLU
8 7 24V V DD24
7 6 KS_CLU
6 5 SEN_JAM
5 4 SEN_PE T2_SEN_JAM
4 3 SEN_EDGE T2_SEN_PE
3 2 S0V T2_SEN_EDGE
VDD3_LED1
2 1 VCC_LED
1
T3_KS_CLU
VDD3
T3_SD_CLU
VDD24
9 24V
8 8 KS_CLU
7 7 SD_CLU
6 6 NC
5 5 SEN_JAM T3_SEN_JAM
4 4 SEN_PE T3_SEN_PE
3 3 SEN_EDGE T3_SEN_EDGE
2 2 S0V
VDD3_LED1
1 1 VCC_LED
T4_KS_CLU
VDD3
T4_SD_CLU
VDD24
8 8 24V
7 7 KS_CLU
6 6 SD_CLU
5 5 SEN_JAM T4_SEN_JAM
4 4 SEN_PE T4_SEN_PE
3 3 SEN_EDGE T4_SEN_EDGE
2 2 S0V
1 1 VCC_LED VDD3_LED2
T5_KS_CLU
VDD3
T5_SD_CLU
VDD24
8 8 24V
7 7 KS_CLU
6 6 SD_CLU
5 5 SEN_JAM T5_SEN_JAM
4 4 SEN_PE T5_SEN_PE
3 3 SEN_EDGE T5_SEN_EDGE
2 2 S0V
VDD3_LED2
1 1 VCC_LED
VDD24_M
9 24V
9
8 8 P0V
VDD24
7 7 24V
P0V
6 6
5 5 DSLEEP DSLEEPN
4 HEAT_ON
4
RL_DRIVE
3 3
2 OFF_MODE LVPS_OFF_PLS
2
AC_DIRECT
1 1
8
VDD3
7
6
5
4
VDD24_DETN
VDD24
3
2
1
Motor driver
VDD24_
VM7
VM8
HU+ HU+ 16
MTRDRV_RSTN RESETn HU- HU-
15
MTR_SLEEP SLEEPn HV+ HV+ 14
HV- HV- 13
MTR_SCS SCS HW+ HW+ 12
MTR_SCLK SCLK HW- HW- 11
MTR_SDATAI SDATAI SGND
10
VDD5
SDATAO +5.0V 9
U U 8
MTR_ENB ENBL
U 7
V
V 6
MTR_CLK CLKIN/PWNIN V 5
MCU
W W 4
MTR_FGS FGOUT/LOCKn
W 3
MTR_FGHALL FGHALL FG+ FG+ 2
MTR_FAULTN FAULTN FG- FG- 1
FGFB
VDD5
VDD3
DCDC_ENABLE
DCDC
VDD2
VCC_FAN 3
GND 2
FAN_LOCK 1
FAN_FULL
VDD2
FAN_LOW
FAN_LOCK
VDD3
LED_VCC_CTL
VDD3_LED1
VDD3
VDD3_LED2
S0V 1
TT_Timing TT_Timing 2
TT_RxD TT_RxD 3
RST TT_RST 4
TT_TxD TT_TxD 5
TXD Buffer
TT_TxEN VDD3 6
EEPROM
SCL SCL
SDA SDA
S0V 2
KT_SW1 KT_SW1 1
S0V 2
KT_SW0 KT_SW0 1
MT/TT TT:PullDow
6-3
+5.0V
16 HU+
Hall IC
HU-
15
M
14 HV+ +5.0V
13 HV- Hall IC
12 HW+
11 HW-
SGND
10
9 +5.0V
8 U
7 U
6 V
5 V
4 W
+5.0V
3 W Hall IC
2 FG+
1 FG-
Paper feed motor
MAIN fan
Main body Main body
NC 1 12 NC
NC 2 11 NC
3 10 7 VDD3
4 8 6 LT_Timing
5 LT_RxD
5 7
6 5 4 LT_RST
7 6 3 LT_TxD
8 5 2 S0V
NC 9 4 1 VDD24
NC NC
10-12 1-3
MAIN PCB
TT Connector
TT Balance sensor L
TT Balance sensor R
Confidential