Samsung CLP-300 Series Service Manual page 69

Main Board(9/15)
1 2
AFE_D(0:7)
AFE_D(7)
AFE_D(6)
AFE_D(5)
A
AFE_D(4)
AFE_D(3)
AFE_D(2)
AFE_D(1)
AFE_D(0)
SCANNER_PI_SH
AFE_CDS2_CLK
AFE_ADC_CLK
4
3
R8
U1-2
74LCX14 33
DGND
B AFE_SCLK
AFE_SLOAD
AFE_SDATA
SCANNER_DPI_CONTROL
SCANNER_BW_CONTROL
SCANNER_PI_TG1
R4 33
CIP40 : 0ohm USED
R46
HT82V26 : 1K USED
HT82V26 USED
R53
CIP40 NOT USED
C
R48 100
SCANNER_PI_RS
R49 100
SCANNER_PI1
100
R50
SCANNER_PI2
R51 100
SCANNER_PI_CP
D
SRAM_A(0:15)
U23
SRAM_A(0) 1
A0 I_01
SRAM_A(1) 2
A1 I_02
SRAM_A(2) 3
A2 I_O3
SRAM_A(3)
4
A3 I_O4
SRAM_A(4) 5
A4 I_O5
SRAM_A(5) 18
A5 I_O6
SRAM_A(6) 19
A6 I_O7
SRAM_A(7) 20
A7 I_O8
SRAM_A(8) 21
A8 I_O9
SRAM_A(9) 24
A9 I_O10
SRAM_A(10) 25
A10 I_O11
E SRAM_A(11) 26
A11 I_O12
SRAM_A(12)
27
A12 I_O13
SRAM_A(13) 42
A13 I_O14
SRAM_A(14) 43
A14 I_O15
SRAM_A(15) 44
A15 I_O16
NC1
NC2
NC3
6 VCC1
_CS
17
_WE VSS1
nSRAM_WR
39
_LB
40
VSS2
_UB
41 VCC2
_OE
K6R1016V1D
DGND
F
1 2
Samsung Electronics
3 4
+3.3V +5V
CIP40 ONLY USED
U4
NR115
0
R191
7 5
D7 VDDDR
8 18 0
D6 VDDA1
9 28
1 HT82v26 ONLY USED
D5 VDDA2
10
D4
11
D3
12
D2
13
D1
14
D0
20
REFB
1 21
CDS1_CLK REFT
2 23
CDS2_CLK VCOM
3 25
ADCCLK OFFSET
4
OEB
16 22
SCLK B_VIN
17 24
SLOAD G_VIN
26
R_VIN
6
VSSDR
19
VSSA1
27 15
VSSA2 SDATA
HT82V26
DGND
+3.3V
DGND
R29
10K
U3
1 16
EN DOUT1-
2 15
DIN1 DOUT1+
3 14
DIN2 DOUT2+
4 13
VCC DOUT2-
5 12
GND DOUT3-
6 11
DIN3 DOUT3+
7 10
DIN4 DOUT4+
8 9
EN_ DOUT4-
FIN1047M
DGND
SRAM_D(0:15)
7 SRAM_D(0)
8 SRAM_D(1)
9 SRAM_D(2)
SRAM_D(3)
10
13 SRAM_D(4)
14 SRAM_D(5)
15 SRAM_D(6)
16 SRAM_D(7) +3.3V
29 SRAM_D(8) C35
30 SRAM_D(9) 100nF
31 SRAM_D(10)
32 SRAM_D(11)
SRAM_D(12) U1-1
35
74LCX14
36 SRAM_D(13)
14
37 SRAM_D(14)
2
+3.3V
38 SRAM_D(15)
22
7
23
28
U1-6
12
13
11 C291 C248
12 100nF 100nF
34
33
DGND
DGND
3 4
This Document can not be used without Samsung's authorization.
5 6
CLX-3160N(FN) Only
+3.3V +5V +24V INV_POWER
FPC_24
CN3-1
C12 100nF
1 nADF_MOT_PHA
2
nADF_MOT_PHB
3
nADF_MOT_A
C13 100nF
4
nADF_MOT_B
5 nADF_MOT_NA
C14 100nF
6 nADF_MOT_NB
C92
7
nADF_MODULE_DETECT
100nF
FLAT_MOT_PLS
C105
nFLAT_MOT_EN
10uF 16V
nFLAT_MOT_SLEEP
FLAT_MOT_DIR
8
FLAT_MOT_MS1
9
FLAT_MOT_MS2
10 FLAT_MOT_DAC
12
11
13 nADF_P_DET
14 nADF_P_REG
16 nADF_P_POS
15
nFLAT_COVER_OPEN
17
nBIN_FULL
18
19
20
21
22
23
24
C1
C9 C54 C2
100nF 100nF 100nF
100nF
2203-005249|R1608_CAP
DGND
R34
R200
33 6 4.7K
5
PWM_CCD_LAMP
U1-3 Q5
MMBT2222ALT1
C67
1000nF
5 6
Schematic Diagram
7 8
+5V +3.3V +24V
C27
C311
100nF
100nF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
+3.3V
DGND
18
19
20
21
22
23
C4
24
100nF
DGND
50V
DGND 2203-005249
+24V
R38
4.7K
S 3
NOT USED
Q2
G 1 NDT2955
INV_POWER
D1 D2
DGND
2 4
NOT USED
L4
3 C50 NC1
DR
1
D12
100uF
SS26 100nF
2
50V
DGND
Digtal Printing Division
Engineer K.C.LEE
R&D 5
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R&D CHK S.D.AN
A3
DOC CTRL CHK
CLP-300(N)/CLX-3160N(FN)
MFG ENGR CHK
Main_V0.11
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Scanner Interface
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A
B
C
D
E
F
Service Manual
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