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System Diagram
6. System Diagram
6.1 Block Diagram
Service Manual
6-1
Samsung Electronics
10p
16p FFC
3p
Sensor (Deve Home)
LSU
3p
3p
Sensor (Empty)
5p
Sensor (Regi)
Engine & Video
Contr oller
(MAIN BD)
HVPS
Ground Wire, 225mm
2p
SMPS
Type 2
16p
T1
3p
Sensor (Exit)
24p FFC
T2
2p
Power Inlet
&Switch
Charger
Waste Toner_Tx
2p
Supply
Waste Toner_Rx
3p
FUSER
Fan(reser ved)
2p
Rec Terminal
Rec Terminal
Rec Terminal
out temp
8p, FFC
Display Panel (LED)
interface con
2p
2p
Thermistor
10p
BLDC Motor
(Main)
2p
Regi_Clutch
2p,
3p
+24V Cover Open
Switch
Pickup_Clutc h
3p
2p,
T2_Clutch
3p
2p
ITB
_
Clutch
eraser
2p
Deve_Clutch
2p
4p
ITb
_
Tension_Clutch
OPC Fusible
Crum_y
interface con
Board to
Board
con tact
5p
3p
Crum_y
Crum Joint
4p
IT
B Home sensor
Crum_y
Crum_y
2p,
Innner temp
1. M ain Board
˩
LSU Unit
1
1
1
1
1
1
FFC, 530 mm
10
10
Main
Board
10
10
LSU
Unit
1
1
12
1
FFC, 330 mm
16
5
16
16
5
5
1
+ 5V_LSU
1
+ 5V_LSU
1
LSU_MOT_CLK
2
DGND
2
DGND
2
nLS_EAY
3
V DO1_plus
3
V D1_plus
3
nL__N
4
VDO1_minus
4
1_inus
4
DGND
5
DGND
5
DGND
5
+ 24V
6
L SU_SH1
6
L SU_SH1
7
nHSYNC1
7
nHSYNC1
8
DGND
8
DGND
9
L D_POER
9
L _PER
10
nLE_EN
10
nLE_EN
11
-
12
LSU_MOT_C LK
13
nLSU_READY
14
nLSU _MOT_EN
15
DGND
16
+24V
2. SMPS
˩
Main boar d
1
2
1
2
1
2
2
1
1
2
1
2
SMPS
TYPE 2
UL1061 26AWG , 250mm
Hiros e DF type
first line is black.
the reminder line color is red.
Main
Board
15 16
15 16
15 16
15 16
FUSER_ON
1
2
+24 VF
+24VF
1
2
FUSER_ON
+ 24VA
3
4
DGND
DGND
3
4
+24VA
+24VA
5
6
DGND
DGND
5
6
+24VA
+ 24VA
7
8
DGND
DGND
7
8
+24VA
+24V
9
10
DGND
DGND
9
10
+ 24V
+5V
11
12
DGND
DGND
11
12
+ 5V
+5V
13
14
DGND
DGND
13
14
+ 5V
+5V
15
16
DGND
DGND
15
16
+ 5V
3. Main Board
˩
HVPS
1
1
1
1
1
1
FFC , 700 mm
24
24
Main
Board
HVPS
Unit
24
24
24
24
1
+ 24VF
1
+ 24VF
2
+ 24VF
2
+ 24VF
3
DGND
3
DGND
4
DGND
4
DGND
5
nDEV_EN
5
nDEV_EN
6
PWM_DEV_VPP
6
PWM_DEV_VPP
7
P_DEV_AC
7
P_DEV_AC
8
P_DEV_DC
8
P_DEV_DC
9
PWM_IT HV
9
PWM_IT HV
10
PWM_THV
10
PWM_THV
11
PWM_MHV
11
PWM_MHV
12
nTHV_EN
12
nTHV_EN
13
ITHV_READ
13
ITHV_READ
14
THV_READ
14
THV_READ
15
-
15
-
16
nP_EXIT
16
nP_EXIT
17
DEV_SOL2
17
DEV_SOL2
18
DEV_SOL1
18
DEV_SOL1
19
nREGI
19
nREGI
20
DEV_SOL3
20
DEV_SOL3
21
WASTE_ LED _TX
21
WASTE_ LED _TX
22
WASTE_LED_ RX
22
WASTE_LED_ RX
23
FAN_MAIN
23
FAN_MAIN
24
+ 5V_LSU
24
+ 5V_LSU
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