Lan Rtl8100Bl - EUROCOM L295U Series Service Manual

LAN RTL8100BL

+A3V
L50 0_0805
CA281 CA279
+
CT70
10u/10V_1206 0.1u 0.1u
SB3V
CT36
+ CA102 CA144 CA145 C145
10u/10V_1206 0.1u 0.1u 0.1u 1000p
AD[0..31]
[15,17,19] AD[0..31]
C/BE#[0..3] AD0 45
[15,17,19] C/BE#[0..3] AD0
AD1 44
AD1
AD2 42
AD2
AD3 41
POWER
AD3
AD4 38
AD4
AD5 37
AD5
AD6 36
ATTACHMENT
AD6
AD7 33
AD7
AD8 30
AD8
AD9 29
AD9
AD10 28
AD10
AD11 27
AD11
AD12 26
AD12
AD13 25
AD13
AD14 24
AD14
AD15 23
AD15
AD16 10
AD16
AD17 9
AD17
AD18 8
AD18
AD19 5
AD19
AD20 4
AD20
AD21 3
AD21
AD22 1
AD22
AD23 100
AD23
AD24 95
AD24
AD25 94
AD25
AD26 93
AD26
AD27 92
AD27
AD28 91
AD28
PCI
AD29 89
AD29
AD30 87
AD30 Interface
AD31 86
AD31
C/BE#0 32
C/BE0#
C/BE#1 21
C/BE1#
C/BE#2 11
C/BE2#
C/BE#3 98
C/BE3#
C328 10p
LANPCLK 83
[4] LANPCLK
CLK
AD22 R191 BK1608 HS241 Z2001 99
IDSEL
82
[15,17,19] PCIRST#2
RST#
81
[15,19] INTC# INTA#
20
[15,17,19] PAR
PAR
85
[15] REQ2#
REQ#
84
[15] GNT2# GNT#
13
[15,17,19] IRDY# IRDY#
14
[15,17,19] TRDY# TRDY#
17 GND
[15,17,19] STOP#
STOP#
18
[15,17,19] PERR#
PERR#
19
[15,17,19] SERR# SERR#
12
[15,17,19] FRAME# FRAME#
15
[15,17,19] DEVSEL#
DEVSEL#
Z2001
C322
10p_R
SB3V [14,15,16,19,22,23,24,26]
+3V [3,4,5,6,11,12,13,14,15,16,17,19,21,22,23,24,26,27,28]
+A2.5V
L18 0
CA282 CA280
0.1u 0.1u LANVDD2.5 SB3V
C E
Q15
CA143 C147 CA157 + 2SB1198K CA150
CT37
0.1u 1000p 0.1u 10u/10V_1206 0.1u
VCTRL
U13
Z2002
CA156
R213 R212
49.9_1% 49.9_1%
0.1u
72 TXD+ 1
TXD+ TD+
71 TXD- 3
TXD- TD-
TZ2001 4
NC
TZ2002 5
UNIT NC
68 RXIN+ 6
RXIN+ RD+
67 RXIN- 8
RXIN- RD-
Z2014 7
RD_CT
80 Z2003 Z2015 2
R207 R208
LED0 T38 TD_CT
LED
79 Z2004
LED1 T39
49.9_1% 49.9_1%
77 Z2005
T40
LED2
Z2028
CA155 CA289 CA290
52 Z2006
0.1u 0.1u_R 0.1u
NC T41
53 Z2007
NC T42
54 Z2008
NC T43
78 Z2009
T44
NC
SB3V
U35
49 EECS 1 8
EECS CS VCC
48 EESK 2 7 TZ2005
EEPROM EESK SK NC
47 EEDI 3 6 TZ2006
EEDI DI NC
CA283
46 EEDO 4 5
EEDO DO GND
93C46 0.1u
50 Z2029 R201 5.6K
AUX SB3V
55 VCTRL
VCTRL
63 Z2010
RTT3 T45
65 Z2011 R549 5.6K
RTSET
Power
Management
57
PME# PME# [15,17,19,22]
64
LAN-RI# [23]
LWAKE
74 Z2012 R210 1K
ISOLATE# +3V
61 LAN25M
X1
R209
60 Z2013
X2 Y7 15K
2 1
RTL8100BL
25MHz
C279 C160
27p 27p
C176
33p
U36
U39
16 Z2019 1 8 TX+
TX+
14 Z2020 2 7 TX-
TX-
Z2021 3 6 RX+
12 TZ2003 Z2022 4 5
NC
13 TZ2004 Z2023
NC
Z2024
11 FRC-1394-201
RX+
9
RX-
10 Z2016
RX_CT
15 Z2017
TX_CT
LF-H41S R566 R572
75_1% 75_1%
Z2018
C281 R565 C282 C280 R564 C289
C/R 75_1% C/R C/R 75_1% C/R R589 0_r(0603)
R588 0_r(0603)
R587 0_r(0603)
R586 0_r(0603)
C283
R243 10K
1000p/2KV_1210 R244 10K
Y6
1 4
NC VCC
R211
LAN25M Z2027 3 2
OSC GND
25M OSC_R
10_R
CP6
10p_R
LAN RTL8100BL (71-P2970-002A) B - 21
Schematic Diagrams
Sheet 20 of 28
LAN RTL8100BL
C175 C177
33p 33p
CN27
1
TD+
2
TD-
3
RO+
GND1
GND1
Z2025 4
NC
5 GND2
NC GND2
RX- 6 GND3
RO- GND3
Z2026 7
NC
8 GND4
GND4
NC
RJ-45
C173 C174 C172
180p 180p 33p
H39
SMD118X315R
SB3V
CA141
0.1u_R