Samsung CLP-300 Series Service Manual page 68

Main Board(8/15)
1 2
A
B
R52
D9
200
MMSD914T1
LAN_LINK
D11
MMSD914T1
XI_PCLK
XO_PCLK
nRST_NIC
RA4
33
1/16W
MAC_CRS
MAC_COL
MAC_TX_EN
C
RA5
33
MAC_TXD3 1/16W
MAC_TXD2
MAC_TXD1
MAC_TXD0
RA6
33
MAC_RXD0 1/16W
MAC_RXD1
MAC_RXD2
MAC_RXD3
RA35
33
1/16W
MAC_RX_ERR
MAC_RX_DV
MAC_MDC
D
MAC_MDIO
R61 100
MAC_RX_CLK
R67 100
MAC_TX_CLK
C102
33pF
DGND
E
C168
10pF
C167
10pF
F
DGND
1 2
Service Manual
11-8
3 4
CLP-300N & CLX-3160N(FN) Only
+3.3V
U8 RA36
10K
63mW
38 64
LEDR10 CG0
R55 10K
36 63
LEDL CG1
35 6
LEDC FDE
34 5
LEDS MF0
37 4
LEDTR MF1
3
MF2
12 2
X1 MF3
11 1
X2 MF4
28 61 RA37
RESET MDINT
29 10K
RIP
63mW
60
CRS
59 18
COL RXN
19
RXP
58
TX3
57 23
TX2 TXN
56 21
TX1 TXP
55
TX0
52
TX_ER
9
VCCA1
54 13
TX_EN VCCA2
53 16
TX_CLK VCCA3
51 17
RX_ER VCCA4
49 22
RX_CLK VCCA5
48
RX_DV
7
GNDA1
47 10
RXD0 GNDA2
46 14
RXD1 GNDA3
44 20
RXD2 GNDA4
43 24
RXD3 GNDA5
DGND
42 39
MDC VCCE_I1
41 45
MDIO VCCE_I2
62
VCCE_I3
27
PWDDWN
26 25
TEST GNDE_I1
33 40
TEST_SE GNDE_I2
C90 C89 15 50
IREF GNDE_I3
1nF 1nF
C123
32 30
NC1 NC3
31 8
33pF NC2 NC4
R73
5.1K
ste100p
DGND
RA3
RA38
10K
10K
63mW
63mW
MAC_LED_CON
XI_PCLK
R87 100
OSC4
R177
1M
(2804-004414)
U1F25000-35D16N
XO_PCLK
3 4
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5 6
+3.3V +3.3V
DGND
2 1 2 1
D14 D16
KDS226 3 KDS226 3
DGND
R68 100
C144 C153
10pF 10pF
3 3
DGND C130 C119 C113
+3.3V
2 1 2 1
D18 D17
100nF 100nF 100nF
KDS226 KDS226
LAN_LINK
DGND
R84 1K
1
5 6
Schematic Diagram
7 8
Multi-Function pins
Pin Function
mf0 Auto-Negotiation
mf1 Enable NRZ-NRZI conversion
A
4B/5B Codeing Enable
mf2
mf3 Scrambler Operation Disable
mf4 MF4 10/100 Mbps Speed Select
Operating Configurations/ Auto-Negotiation Enabled
Input Value
Desired
Configuration
CFG0 CFG1 FDE
1 1 1
Advertise All
1 0 0
Advertise 100 HD
1 0 1
Advertise 100 HD/FD
B
0 1 0
Advertise 10 HD
0 1 1
Advertise 10 HD/FD
1 1 0
Advertise 10/100 HD
+3.3V
CN11
1 TDP
C
2
TCT
3 TDN
4 RDP
5 RCT
6 RDN
7
NC
8 CT_REF
9 FGND_9
10 FGND_10
11 LED1_ANODE
D
12
LED1_CATHOD
13 LED2_ANODE
14 LED2_CATHOD
1605713-7
FGND
E
3
Q8
MMBT2222ALT1
2
DGND
Digtal Printing Division
Engineer K.C.LEE
R&D 5
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TITLE: F
R&D CHK S.D.AN
A3
DOC CTRL CHK CLP-300(N)/CLX-3160N(FN)
Main_V0.11
MFG ENGR CHK
Ethernet Physical Layer 8/15
7 8
Samsung Electronics