Samsung ML-331xD - 5.2 Connection Diagram (ML-371 x series)

5. System Diagram
5-3
Samsung Electronics
Service Manual
ML-331x/371x series
5.2 Connection Diagram(ML-371x series)
MAGPIE CONNECTION DIAGRAM
Magpie Hardware Team
IT Solution SMB Lab
Samsung Electronics
100902
MAIN
JUPITER5
FUSER Unit
ThermoStat
Thermistor1
PaperExit
Sensor
Regi
Clutch
Pickup
Clutch
Front Cover
Micro Switch
24V
5V_SMPS
FUSER ON
Relay
24VS
3.3VS
3.3V_Cover_Open1
3.3V_Cover_Open3.3V_SMPS
DEVELOPER Unit
FAN
MAIN
FAN
SMPS
OPC MHV
DEV
Supply
THV
Varistor
T
D
S
DRUM
M
Main
Motor
MT
BLDC
Serial Flash
ML-3310D : 8M
ML-3310ND : 16M
DDR2
SDRAM
(64MB)
EEPROM
ML-3310D :
24C32(Sys)
ML-3310ND
24C256(Sys+NW)
SOL
C R U
M
Network
BCM5241
25MHz
FUSER
BIAS
INLET
MP
Clutch
Paper
Size/Binful
Sensor
Clock
Generator
ASM3P2863A
12MHz
MAIN CLK
USB CLK
VCLK
USB 2.0
INLET
FUSER
THERM_1
1
2
CN6(2mm)
THERM
MOT_DIR
PWM_MOT
MOT_READY
MOT_EN
GND
MOT_BREAK
GND
GND
24VS
24VS
24VS
Pickup_CLT
24VS
Regi_CLT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN12(2mm)
MAIN MOTOR
SOL
3.3V
GND
PEAPER_EXIT
1
2
3
CN7(2mm)
P_EXIT
SENSOR
VBUS DM DP GND
1 2 3 4
CN18
USB_IF
GND NC RD- 3.3V RD+ TD- 3.3V TD+ 3.3V P/U LED2 3.3V P/U LED1
1 2 3 4 5 6 7 8 9
10 11 12
CN2
NETWORK_IF
GND
5V
nKEY_POWER_SW
LED_POWER (RXD)
nKEY_Cancel(nRST)
nKEY_Eco
(TXD)
LED_ECO
LED_L_RED
LED_L_GREEN
LED_R_RED
LED_R_GREEN
CN4
(LCD)
/5
(LED)
OPE I/F(1.5mm)
1
2
3
4
5
6
7
8
9
10
11
3.3V_LSU
nHsync
GND
VDO_1_P
VDO_1_N
GND
nSH_1
nSH_2
GND
VDO_2_P
VDO_2_N
GND
nLD_ON
LD_POWER
N.C
CLK_LSU_MOT
nREADY_LSU
nLSU_MOT_EN
GND
24VS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN17(FFC 1mm)
LSU_IF
HVPS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
24VS GND THV_READ nTHV_EN PWM_THV PWM_DEV_DC PWM_MHV PWM_FUSER_BIAS GND GND 3.3V 3.3V_Cover_Open
1 2 3 4 5 6 7 8 9
10 11 12
CN13(2mm)
HVPS
5V_SMPS GND 24V GND
1 2 3 4
CN14
SMPS
SMPS
3.3V_SMPS
GND
24V
GND
1 2 3 4
CN
SMPS
GND
24V OFF
Relay
24VS
Fuser ON
1 2 3 4 5
CN
SMPS
GND 24V OFF Relay 24VS Fuser ON
5 4 3 2 1
CN15(2mm)
SMPS
24VS
GND GND 24VS
1 2 3
CN8
MAIN FAN
24VS GND
1 2
CN11
SMPS FAN
12 11 10
9 8 7 6 5 4 3 2 1
GND CLK DIO 3.3V_CRUM
1 2 3 4
CN20
(2mm)
CRUM
EMPTY
Sensor
REGI
Sensor
MP
Sensor
3.3VS
GND
P_Empty
SENS
3.3VS
GND
REGI_SENS
3.3VS
GND
FEED_SENS
1
2
3
4
5
6
7
8
9
CN19(2mm)
SENSOR
24VS
MP_CLT
3.3VS
GND
MP_SENS
1
2
3
4
5
CN10(2mm)
MP
FEED
Sensor
3,3V
GND
Outbin_full
3.3V_C_OPEN1 3.3V_C_OPEN2
1 2 3 4 5
CN9(1.5mm)
Cover Open/outbin full
24VS GND THV_READ nTHV_EN PWM_THV PWM_DEV_DC PWM_MHV PWM_FUSER_BIAS GND GND 3.3VS 3.3V_Cover_Open
CN3(1.5mm)
SCF_IF
3.3V_LSU
nHsync
GND
VDO_1_P
VDO_1_N
GND
nSH_1
nSH_2
GND
VDO_2_P
VDO_2_N
GND
nLD_ON
LD_POWER
N.C
CLK_LSU_MOT
nREADY_LSU
nLSU_MOT_EN
GND
24VS
LSU
(Dual Beam)
24V 24V 24V 3.3V 3.3V 3.3V nRST_SCF SCF_TXD SCF_RXD N.C nSCF_OPT N.C N.C GND GND GND GND GND
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
6
5
4
3
2
1
16X2
3310ND 3700 Series
3310ND 3700 Series
ECO
Cancel
Power
Status_LED
Only 3310D (LED_OPE)
11
10
9
8
7
6
5
4
3
2
1
3310ND,3700 Series
(LCD_OPE)
ECO
Cancel
Power
Status_LED
Navi_KEY
LCD
Relay
5V
Eraser_LED
1
2
CN21
Eraser
Eraser
LED
SOL
5V N.C GND 5V
1 2 3 4
CN23
DC JACK
Option
Parallel
5V
Usb
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