Service manual

Schematic Diagrams
LAN RTL8100BL (71-P2970-002A) B - 21
B.Schematic Diagrams
LAN RTL8100BL
Sheet 20 of 28
LAN RTL8100BL
SB3V
+3V
SB3V
+A3V
LANVDD2.5
+A2.5V
SB3V
SB3V
SB3V
C/BE#2
C/BE#1
C/BE#0
C/BE#3
Z2028
Z2001AD22
C/BE#[0..3]
Z2023
Z2008
Z2009
Z2004
Z2010
Z2005
Z2006
Z2007
Z2015
Z2014
LAN25M
LANPCLK
RXIN+
EEDO
EECS
EEDI
EESK
AD29
AD23
AD1
AD13
AD0
AD28
AD11
AD8
AD16
AD3
AD26
AD2
AD4
AD12
AD19
AD[0..31]
AD21
AD24
AD15
AD18
AD20
AD17
AD7
AD22
AD27
AD10
AD31
AD14
AD6
AD25
AD30
AD5
AD9
Z2011
Z2029
VCTRL
VCTRL
Z2003
LAN25M Z2027
Z2020
Z2012
Z2002
TXD+
Z2021
Z2019
Z2022
RXIN-
TXD-
Z2017
Z2018
Z2016
Z2024
RX-
RX+
TX-
Z2025
Z2026
Z2013
TX+
TZ2007 TZ2008 TZ2009 TZ2010 TZ2011
TZ2006
TZ2005
TZ2001
TZ2002
TZ2003
TZ2004
Z2001
C145
1000p
CA145
0.1u
CA144
0.1u
CA279
0.1u
CA281
0.1u
+
CT70
10u/10V_1206
H39
SMD118X315R
CA155
0.1u
CP6
10p_R
R211
10_R
CA141
0.1u_R
Y6
25M OSC_R
1
23
4
NC
GNDOSC
VCC
CA150
0.1u
R589 0_r(0603)
R209
15K
R210 1K
R243 10K
R586 0_r(0603)
R587 0_r(0603)
R588 0_r(0603)
R244 10K
C175
33p
C172
33p
C174
180p
C173
180p
C177
33p
C176
33p
C328 10p
C281
C/R
U39
FRC-1394-201
1
2
3
4
8
7
6
5
C279
27p
C160
27p
75_1%
R572
CA283
0.1u
R549 5.6K
R191 BK1608 HS241
U36
LF-H41S
6
8
11
9
7 10
4 12
5
2
1
13
143
15
16
RD+
RD-
RX+
RX-
RD_CT RX_CT
NC NC
NC
TD_CT
TD+
NC
TX-TD-
TX_CT
TX+
CN27
RJ-45
8
7
6
5
4
3
2
1
GND1
GND2
GND3
GND4
NC
NC
RO-
NC
NC
RO+
TD-
TD+
GND1
GND2
GND3
GND4
C283
1000p/2KV_1210
R201 5.6K
U35
93C46
1
2
3
4 5
6
7
8
CS
SK
DI
DO GND
NC
NC
VCC
75_1%
R564
Y7
25MHz
12
75_1%
R566
CA289
0.1u_R
75_1%
R565
CA290
0.1u
R213
49.9_1%
C322
10p_R
L50 0_0805
R212
49.9_1%
PCI
Power
Management
GND
POWER
EEPROM
LED
ATTACHMENT
UNIT
Interface
U13
RTL8100BL
45
44
42
41
38
37
36
33
30
29
28
27
26
25
24
23
10
9
8
5
4
3
1
100
95
94
93
92
91
89
87
86
32
21
11
98
15
12
84
85
13
14
18
19
17
20
81
82
99
83
6 22 34 39 90 96 51 58 97 75 70
2 16 31 43 56 62 66 73 88
50
80
79
77
72
71
68
67
61
60
55
48
47
46
49
59
65
63
57
74
64
7 35 40
52
53
54
69 76
78
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
C/BE0#
C/BE1#
C/BE2#
C/BE3#
DEVSEL#
FRAME#
GNT#
REQ#
IRDY#
TRDY#
PERR#
SERR#
STOP#
PAR
INTA#
RST#
IDSEL
CLK
VDD VDD VDD VDD VDD
VDD25 VDD25
AVDD25
VDD
AVDD AVDD
GND GND GND GND GND GND GND GND GND
AUX
LED0
LED1
LED2
TXD+
TXD-
RXIN+
RXIN-
X1
X2
VCTRL
EESK
EEDI
EEDO
EECS
AVDD
RTSET
RTT3
PME#
ISOLATE#
LWAKE
VDD25/NC VDD25/NC VDD25/NC
NC
NC
NC
AVDD25/NC AVDD25/NC
NC
CA143
0.1u
+
CT37
10u/10V_1206
CA280
0.1u
+
CT36
10u/10V_1206
CA157
0.1u
L18 0
T44
T43
T45
T40
T39
T38
T42
T41
CA282
0.1u
C147
1000p
R207
49.9_1%
C282
C/R
Q15
2SB1198K
B
EC
R208
49.9_1%
C280
C/R
C289
C/R
CA156
0.1u
CA102
0.1u
AD[0..31][15,17,19]
C/BE#[0..3][15,17,19]
TRDY#[15,17,19]
STOP#[15,17,19]
FRAME#[15,17,19]
PAR[15,17,19]
SERR#[15,17,19]
PERR#[15,17,19]
IRDY#[15,17,19]
GNT2#[15]
REQ2#[15]
INTC#[15,19]
DEVSEL#[15,17,19]
PCIRST#2[15,17,19]
LAN-RI# [23]
PME# [15,17,19,22]
LANPCLK[4]
+3V [3,4,5,6,11,12,13,14,15,16,17,19,21,22,23,24,26,27,28]
SB3V [14,15,16,19,22,23,24,26]