Samsung CLP-300 Series Service Manual page 70

Main Board(10/15)
1 2
A
B
FOR DEBUG
+3.3V +5V
CN27-1
35303-0450
C
1
2
DEBUG_RXD
3
DEBUG_TXD
4
DGND
R92
10K
D
E
F
2
1
Service Manual
11-10
3 4
I2C Address Configuration
A2 A1 A0 I2C Address
0 0 0 Deve Y
0 0 1 Deve M
0 1 0 Deve C
0 1 1 Deve K
1 0 0 OPC
1 0 1 Not Used
1 1 0 NPC & NVRAM
1 1 1 Not Used
U11_A-1
WSDIF-8T
1 8
2 7
3 6
4 5
+3.3V
R91
C172 R79 R80
1K 1K
U11 100nF
10K
1
8
E0 VCC
2 7
E1 *WC
3 6
E2 SCL SCL
5
4
VSS SDA SDA
C138 C137
M24C64
15pF 15pF
DGND DGND
3 4
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5 6
OPE2 : CLX-3160N(FN) Only
CN12-1 +5V
35303-0750
1
2
NL2
B600
3
NL3 B600
4
NL1 B600
5
6
7
3301-001122
C132
100nF
DGND
OPE1 : CLP-300(N) Only
DISPLAY_PANEL
+5V
CN13-1
DF11-14DP-2DSA
1
2
3
R75 100
4
R78 100
5
R63 100
6
R69 100
7
R59 100
8
R60 100
9
R56 100
10
+3.3V
D15
2 1 2 1
KDS226
3
DGND
3
D13
R192
KDS226
11 R62 100
47K
R57 100
12
13
VBIN
14 C151
100nF
DGND DGND
5 6
Schematic Diagram
7 8
A
+3.3V
R82
R71
47K 10K
PANEL_RXD
nRST_PANEL
PANEL_TXD
nSCANNER_HOME
VBIN
C120 C108 C152 C141
B
1nF 1nF 1nF 1nF
DGND
C
OP_Y_LED
OP_M_LED
OP_C_LED
OP_K_LED
OP_STA_LED1
OP_STA_LED2 D
OP_MODE_LED
nOP_KEY_MODE
nOP_KEY_ONLINE
E
Engineer K.C.LEE Digtal Printing Division
R&D 5
Drawn by
Size
TITLE: F
R&D CHK S.D.AN
A3
DOC CTRL CHK
CLP-300(N)/CLX-3160N(FN)
MFG ENGR CHK
Main_V0.11
Hyper Terminal, EEPROM, OPE
10/15
7 8
Samsung Electronics