Specifications

Connection Diagram
Service Manual
9-1
Samsung Electronics
9
9
9. Connection Diagram
MAIN B’d
SMPS
Regi SENSOR
MAIN
MOTOR
JAM COVER
MICRO SWITCH
Exit SENSOR
HVPS
COVER
MICRO SWITCH
EXIT SENSOR
LSU
MAIN
CLUTCH
Zener
MOTOR
CN11 CN12 CN8
CN7
CN10CN5CN4CN1
CON2
CON1
CN1
TACT
S/W
LED
USB 1.1
USB
THERM
1.+ 24VS1
2.+ 24VS1
3.+ 24VS2
4.+ 24VS2
5.GND
6.DEV_KEY
7.+ 5V
8.P_EXIT
9.T HV_PWM
10.T HV_EN
11.MHV _PWM
12.T HV_READ
13.B IAS_PWM
14.FAN
15.KEY_IN
16.TONER_SAVE
17.ERROR
18.READY
AC IN-LET
&
POWER
SWITCH
AC wire
F.G
110V for USA
240V for EU
SMPS
LD
111
1
1
1
1
1111
LSU 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
Serial J4e debugging
1.+ 5V
2.DCU_CUT
3.DCU_CLK
4.DGND
1.+ 3.3V
2.RXD
3.T XD
4.DGND
1.T CLK
2.T DI
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.FU SER_ON
PTL
FAN
Not
Used
DCU
De
bugger
De
bugger
LSU
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
HVPS
FUSER