Marvell 88E8038 - EUROCOM M620NC Service Manual

Marvell 88E8038

8/16 3.A BCN
LAN_VDD12
+3VS_LAN
C21 C23
0.1u_04 0.1u_04
U2
C398 0.1u_X7R_04 Z2001 49
15 PCIE_RXP3_LAN
PCIE_TXP
C399 0.1u_X7R_04 Z2002 50
15 PCIE_RXN3_LAN
PCIE_TXN
51
AVDDL
52
AVDDL
53
15 PCIE_TXN3_LAN
PCIE_RXN
54
15 PCIE_TXP3_LAN PCIE_RXP
55
19 CLK_PCIE_LAN REFCLKP
56
19 CLK_PCIE_LAN#
REFCLKN
57
LAN_VDD25
AVDDL
58
VDD
C410 C396
Z2003
59
T LED_ACTn
0.1u_04 0.1u_04
Z2004 60
T LED_SPEEDn
61
VDDO_TTL
Z2020
62
T NC
Z2021
63
T LED_LINKn
64
VDD25
65
EPAD
LAN_VDD33
CTRL12
CTRL25
R254 *0_04
15 PCI_RST#
R257 0_04
5,15,16,18 PLT_RST#
16,23,25 PCIE_WAKE#
R30
LAN_VDD33
LAN_VDD25 LAN_VDD33
C E
C11 C412 C395 Q41 C12
2SB1188
0.1u_04 10u_08 0.1u_04 R255 0.1u_04
4.7K_04
CTRL25
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LAN_VDD33
R253 R256 R18 R17
LAN_VDD33
4.7K_04
*4.7K_04 *4.7K_04 4.7K_04
U24
6 8
SCL VCC
5 1 C401
SDA A0
2
A1
3 0.1u_04
A2
7
WP
4
VSS
LAN_VDD33
AT24C08
LAN_VDD25
32
AVDDL
31 Z2013
NC T
Z2014
30
NC T
29 Z2015
TSTPT T
28
AVDDL
27 Z2016
NC T
Z2017
26
NC T
25 Z2018
HSDACN T
24 Z2019
HSDACP T
23
AVDD
88E8038
22
AVDDL
21 MDI1-
TXN
20 MDI1+
TXP
19
AVDDL
MDI0-
18
RXN
17 MDI0+
RXP
88E8038
Z2028 R29 2K_1%_04
X1
4 3
1 2
HSX531S_25MHz
C404 C405
30p_04 30p_04
4.7K_04
C38
*10u_12
1
LAN_VDD25
LAN_VDD12 LAN_VDD33
C E
C15 C19 C28 Q5 C24
2SB1188
0.1u_04 10u_08 0.1u_04 R15 0.1u_04
4.7K_04
CTRL12
L19 *HCB2012KF-500T40
1 2
9/11 4.0
R570 *0_04
Q76
NDS352
S D
+3VS +3VS_LAN
C764 C765
0.1u_04 0.1u_04
+VDD3 Q77
NDS352
S D
R566 C20
C393 C391 C392
Z2035 100K_04 22u_08
0.1u_04 0.1u_04 0.1u_04
C766
0.01u_04
R567 R568
330K_04 100K_04
Z2036
G
23 LAN_EN
Q78
2N7002W
C49 1000p_04 Z2029
R33 R32
49.9_1%_04 49.9_1%_04
U5
MDI1- LAN_TX-
7 10
TD+ TX+
MDI1+ LAN_TX+
8 9
TD- TX-
MDI0- 1 16 LAN_RX-
RD+ RX+
MDI0+ 2 15 LAN_RX+
RD- RX-
Z2031 3 14 LAN_CT
CT CT
LAN_CMT
6 11
CT CMT
R271 R270
TZ2001 4 12 TZ2003 R292
NC NC
49.9_1%_04 49.9_1%_04 75_1% _04
TZ2002 5 13 TZ2004
NC NC
Z2030
LF-H80P-1
C417
1000p_04 2.54 mm ²bªÅ°Ï
2
L24 0_08
C418 C419
1000p_04 0.1u_04
+3VS 2,5,8,9,10,13,14,15,16,17,18,19,21,22,24,25,26,27
+VDD3 13,14,15,16,17,27,28
Schematic Diagrams
LAN_VDD33
C394 C397 C22 C13 C402 C14
22u_08 0.1u_04 0.1u_04
0.1u_04 0.1u_04 0.1u_04
Sheet 20 of 34
Marvell 88E8038
(¦PB4WªºµL¹]®Æ¸¹)
JLAN1
LP1 #944CM-0051=P3
4 5 TX+
1
3 6 TX-
2
RX+
2 7
3
RX- Z2032
1 8
4
5
6
Z2033
7
8
87212-08G0
R291 R74 R75
75_1% _04 75_1% _04 75_1% _04
Z2034
C433 R76
1M_04
1000p/2KV_12
Marvell 88E8038 B - 21