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Connection Diagram
Service Manual
9-1
Samsung Electronics
9
9
9. Connection Diagram
LSU
MAIN B’d
SMPS
Feed
SENSOR
MAIN
MOTOR
JAM COVER
MICRO SWITCH
FUSER
Exit SENSOR
HVPS
COVER
MICRO SWITCH
PAPER
EMPTY
SENSOR
LSU
Zener
MOTOR
TACT
S/W
LED
USB
THERM
13579 11131517
24681012141618
1.+24VS1
2.+24VS1
3.+24VS2
4.+24VS2
5.GND
6.+3.3V
7.P_EXIT
8.+5V
9.THV_EN
10.THV_PWM
11.THV_READ
12.MHV_PWM
13.FAN
14.BIAS_PWM
15.TONER_SAVE
16.KEY_IN
17.READY
18.ERROR
AC IN-LET
&
POWER
SWITCH
AC
wire
FG
110V for USA
240V for EU
SMPS
LD P-Motor
1.Thermistor1
2.Thermistor2
1.HOT
2.Neutral
1.OUT1A
2.OUT1B
3.OUT2A
4.OUT2B
1.LSU_CLK
2.nLREADY
3.nPMOTOR
4.DGND
5.+24VS2
1.nHSYNC
2.+5V
3.DGND
4.DAC_OUT
5.VDO
6.LSU_READ
DCU Hyper Program
1.+5V
2.DCU_CUT
3.DCU_CLK
4.DGND
1.+3.3V
2.TXD
3.RXD
4.DGND
1.TCLK
2.TDI
3.+1.8V
4.+3.3V
5.DGND
6.nTRST
7.PROGRAM
1.+24VS2
2.+24V
3.+24VS1
4.+24VS1
5.+5V
6.DGND
7.DGND
8.P_REGI
9.FUSER_ON
FAN
DCU
Debugger Debugger
LSU
1
2
3
4
5
6
7
8
9
13579 11131517
2 4 6 8 10 12 14 16 18
HVPS
P1284
ML-2010
Not Used
P
1
2
8
4
MAIN
CLUTCH
Micro
Switch
Micro
Switch
1. 5V_1
2. 5V_2
U
S
B
1
2
3
4
5
6
7
8
9